License Agreement - Stanford University and Rigel Pharmaceuticals Inc.
LICENSE AGREEMENT Effective as of March 27, 1998 ("Effective Date"), THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY, a body having corporate powers under the laws of the State of California ("STANFORD"), and RIGEL PHARMACEUTICALS, INC., a Delaware corporation doing business as RIGEL, INC. in California, having a principal place of business at 772 Lucerne Drive, Sunnyvale, California 94086 ("RIGEL"), agree as follows: 1. BACKGROUND 1.1 STANFORD has an assignment of U.S Provisional Applications (the "Provisionals"), [ * ] (the "Invention"), and as described in Stanford Docket [ * ], and any Licensed Patents, as hereinafter defined, which may claim such Invention. 1.2 STANFORD has certain biological materials ("Licensed BIOLOGICAL Materials") and other know-how ("Know-How"), as defined below, pertaining to the Inventions. 1.3 STANFORD desires to have the Know-How and Inventions perfected and marketed at the earliest possible time in order that products resulting therefrom may be available for public use and benefit. 1.4 RIGEL desires a license under said Know-How, Invention and Licensed Patents to develop, manufacture, use and sell Licensed Products in the Licensed Field of Use, as defined below. 1.5 The Know-How and Invention were made in the course of research supported by the National Institutes of Health. 2. DEFINITIONS 2.1 "EXCLUSIVE" means that STANFORD shall not grant further licenses in the Licensed Territory in the Licensed Field of Use. 2.2 "LICENSED BIOLOGICAL MATERIALS" means the materials listed on Exhibit A, as amended from time to time upon the parties' mutual written consent. 2.3 "LICENSED FIELD OF USE" means, subject to Section 14: (a) the development of reporter systems useful for the analysis of protein-protein interactions; (b) the development of methods for analyzing molecular interactions by reporter subunit complementation; and (c) applications of the systems and methods set forth in (a) and (b) to functional genomics, target analysis and drug discovery. [ * ] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 406 OF THE SECURITIES ACT OF 1933, AS AMENDED. 1. <PAGE> 2.4 "LICENSED KNOW-HOW" means know-how useful for the commercial exploitation of the Licensed Patents in the Licensed Field of Use and is provided to RIGEL by STANFORD, including know-how, trade secrets, protocols, information, processes or other subject matter which is either disclosed in the Licensed Patents, or useful to practice the Invention in the Licensed Field of Use. Licensed Know-How excludes the Licensed Patents and includes the Licensed Biological Materials. STANFORD has no obligation to provide such know-how. 2.5 "LICENSED PATENTS" means any Letters Patent issued upon (i) patent applications claiming priority from or based upon the Provisionals; (ii) any patents issuing from any divisional, continuations, substitute, or continuation-in-part (to the extent provided in this Section 2.5) application relating to the patent applications described in (i); and (iii) any foreign counterparts of the patent applications described in (i) or (ii). Continuation-in-part applications are included in the Licensed Patents to the extent that such continuation-in-part claims subject matter disclosed in the applications set forth in (i) and to the extent that the practice of an invention claimed in a Licensed Patent issuing from a patent application other than such continuation-in-part would infringe a claim of a Licensed Patent issuing from such continuation-in-part. 2.6 "LICENSED PRODUCTS" means (a) any product, the manufacture, use, sale, offer for sale and import of which: (i) is covered by one or more valid claims of an issued, unexpired Licensed Patent directed to the Invention. Claims of issued, unexpired Licensed Patent shall be presumed to be valid unless and until they have been held to be invalid by a final judgment of a court of competent jurisdiction from which no appeal can be or is taken; or (ii) is covered by any claim being prosecuted in a pending application directed to the Invention, which claim has not been pending for more than three (3) years from the first filing of such claim; and (b) any product which directly incorporates any of the Licensed Biological Materials; and (c) any product which would not, but for the use of the Licensed Technology, have been identified, discovered or developed. 2.7 "LICENSED TECHNOLOGY" means the Licensed Patents and the Licensed Know-How. 2.8 "LICENSED TERRITORY" means all the countries in the world. 2.9 "NET SALES" means the gross revenue derived by RIGEL and/or its sublicensee(s) from the sales of Licensed Products to end users thereof, less the following items but only insofar as they actually pertain to the disposition of such Licensed Products by RIGEL or RIGEL's sublicensee(s), are included in such gross revenue, and are separately billed: [ * ] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 406 OF THE SECURITIES ACT OF 1933, AS AMENDED. 2. <PAGE> (a) import, export, excise and sales taxes, and custom duties; (b) transportation charges, issuances and allowances; (c) credit for returns, allowances, trades or retroactive price adjustments; (d) discounts actually allowed; or (e) royalties payable to third parties on the manufacture, use, sale, offer for sale or import of Licensed Products. 2.10 "SERVICE PROVIDER" means a third party contract research or similar organization that performs assay services (i) for other entities on a fee-for-service basis and (ii) not in connection with such organization's own drug development programs (whether such programs are conducted solely by such entity or jointly by such entity and one or more third parties). 3. GRANT 3.1 STANFORD hereby grants, and RIGEL hereby accepts, a license in the Licensed Field of Use to make, use, sell, offer for sale and import Licensed Products in the Licensed Territory. 3.2 RIGEL hereby grants, and STANFORD hereby accepts, a non-exclusive, royalty free license under its interest in any inventions conceived by RIGEL during the term of this Agreement that solely relate to the technology claimed in the Licensed Patents and any intellectual property rights related thereto (collectively, "Improvements"), to practice and grant licenses under such Improvements solely for noncommercial, academic research purposes. 3.3 The license granted to RIGEL pursuant to Section 3.1 under the Licensed Know-How shall be nonexclusive for the term of this Agreement. The license granted in Section 3.1 under the Licensed Patents is Exclusive for a term (the "Exclusivity Term") commencing as of the Effective Date and ending (except as otherwise provided in this Agreement) on the first to occur of the following: (a) the fifth anniversary of the Effective Date if STANFORD does not grant a license under the Licensed Patents outside the Licensed Field of Use to a third party prior to or on such date; or (b) the eighth anniversary of the Effective Date, if STANFORD grants a license under the Licensed Patents outside the Licensed Field of Use to a third party prior to or on the fifth anniversary of the Effective Date. After expiration of the Exclusivity Term, the license granted to RIGEL pursuant to Section 3.1 under the Licensed Patents shall be nonexclusive for the remainder of the term of the Agreement. [ * ] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 406 OF THE SECURITIES ACT OF 1933, AS AMENDED. 3. <PAGE> 3.4 Notwithstanding the Exclusive license under the Licensed Patents granted to RIGEL pursuant to Section 3.1, STANFORD shall have the right to practice the Licensed Technology in the Licensed Field of Use for noncommercial, academic research purposes. STANFORD shall have the right to publish any information included in the Licensed Technology. 3.5 STANFORD may grant sublicenses under Improvements to third parties solely for noncommercial, academic research purposes, provided that each such sublicense is granted in conjunction with a license under the Licensed Technology. After the expiration of the Exclusivity Term, STANFORD may grant sublicenses under Improvements to third parties for purposes other than conducting noncommercial academic research, provided that each such sublicense is granted solely in conjunction with the grant of a license under the Licensed Technology. STANFORD's license under Section 3.2 and its ability to grant sublicenses thereunder as provided in this Section 3.5 shall survive termination of this Agreement. 4. GOVERNMENT RIGHTS This Agreement is subject to all of the terms and conditions of Title 35 United States Code Sections 200 through 204, including an obligation that Licensed Products sold or produced in the United States be "manufactured substantially in the United States," and RIGEL agrees to take all reasonable action necessary on its part as licensee to enable STANFORD to satisfy its obligation thereunder relating to Inventions. 5. DILIGENCE; PROGRESS REPORTS 5.1 As an inducement to STANFORD to enter into this Agreement, RIGEL agrees to use all commercially reasonable efforts and diligence to proceed with the development, manufacture and sale of Licensed Products and to diligently develop markets for the Licensed Products. RIGEL shall demonstrate such diligence to STANFORD by achieving the following goals: (a) before the first anniversary of the Effective Date, RIGEL shall identify and characterize [ * ]. (b) before the second anniversary of the Effective Date, RIGEL shall establish two (2) new high throughput screening assays that utilize the Licensed Technology, one (1) of which is primarily useful for target identification and one (1) of which is primarily useful for screening to identify small molecules that bind to drug targets; and (c) before the fourth anniversary of the Effective Date, use the assays described in (b) to identify one new drug target and one small molecule that competes with the binding of molecules to a drug target. 5.2 If RIGEL is unable to demonstrate its diligence by achieving the goals provided in Section 5.1 within the time frames set forth therein, the parties shall meet no later than thirty (30) days after the relevant date set forth in Section 5.1 to discuss in good faith the reasons for such [ * ] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 406 OF THE SECURITIES ACT OF 1933, AS AMENDED. 4. <PAGE> failure, and mutually acceptable mechanisms for remedying such failure. If the parties do not agree upon modifications to the diligence requirements set forth in Section 5.1 during such discussion, then STANFORD may thereafter convert RIGEL's exclusive license under the Licensed Patents to non-exclusive upon thirty (30) days written notice to RIGEL. 5.3 If RIGEL succeeds in meeting the goals provided in Section 5.1, RIGEL and STANFORD agree to meet within ninety (90) days prior to the fourth anniversary of the Effective Date to establish further mutually acceptable diligence requirements applicable to the next two (2) year period during the term of the Agreement. If the parties, after good faith effort, cannot agree on such additional requirements, STANFORD may in its sole discretion elect to convert RIGEL's exclusive license under the Licensed Patents to non-exclusive as of the fourth anniversary of the Effective Date by written notice to RIGEL. 5.4 On or before August 1, 1998 and each anniversary thereof until RIGEL markets Licensed Products, RIGEL shall make a written annual report to STANFORD covering RIGEL's progress during the preceding year toward commercial use of Licensed Products. Such report shall include, as a minimum, information sufficient to enable STANFORD to satisfy reporting requirements of the U.S. Government and for STANFORD to ascertain progress by RIGEL toward meeting the diligence requirements of this Article 5. 6. PAYMENTS AND ROYALTIES 6.1 RIGEL shall upon the Effective Date: (a) pay to STANFORD a noncreditable, nonrefundable license issue royalty of __________; and (b) issue to STANFORD ___________________ Stock pursuant to a stock purchase agreement to be separately executed by the parties. 6.2 Subject to Section 6.6, RIGEL also agrees to pay the following minimum annual royalties to STANFORD within thirty (30) days after the occurrence of each date below: Anniversary of Effective Date Minimum Annual Royalty Due ----------------------------- -------------------------- First and Second _________ Third through Fifth _________ Sixth and Thereafter _________ These minimum annual royalty payments are nonrefundable, but they are creditable against earned royalties due to Stanford pursuant to Section 6.4. In addition, the minimum annual royalties set forth in this Section 6.2 shall be reduced by fifty percent (50%) if STANFORD abandons all patent applications from which Licensed Patents could issue prior to the time that any Licensed Patents issue. [ * ] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 406 OF THE SECURITIES ACT OF 1933, AS AMENDED. 5. <PAGE> 6.3 RIGEL also agrees to pay to STANFORD upon the occurrence of the following events, the following amounts: Event Milestones ----- ---------- Earlier of the execution of the first sublicense ____________ by Rigel under the Licensed Technology or 18 months after the Effective Date Earlier of the execution of the second sublicense ____________ by Rigel under the Licensed Technology or 48 months after the Effective Date Earlier of the execution of the third sublicense ____________ by Rigel under the Licensed Technology or 78 months after the Effective Date Execution of any additional sublicenses by Rigel ____________ after payment of all of the foregoing milestones 6.4 RIGEL shall pay to STANFORD earned royalties of ___________ of Net Sales during the Exclusivity Term. Should total earned royalties due on Licensed Products to STANFORD under this Agreement and any other agreement between STANFORD and RIGEL (the "Other Agreements") equal or exceed __________ of Net Sales, STANFORD shall, upon request by RIGEL, meet with RIGEL to discuss an appropriate mechanism, if RIGEL's royalty obligations under this Agreement and the Other Agreements render further development and commercialization of License Products uneconomic. The parties will discuss in good faith appropriate adjustments to RIGEL's obligations under this Agreement.. 6.5 RIGEL shall also pay to STANFORD ______________ upon the issuance of the first patent included in the Licensed Patents. 6.6 Within thirty (30) days after the license granted under the Licensed Patents pursuant to Section 3.1 becomes non-exclusive pursuant to Sections 3.3, 5.2 or 5.3, STANFORD shall provide to RIGEL a written summary of all non-confidential material terms of any other license agreements with third parties relating to the Licensed Technology. STANFORD shall use reasonable efforts to obtain consent of any such third parties to disclose such material terms or at least a general description of the economic terms of such other license agreements to RIGEL. Within thirty (30) days after receiving such summary, RIGEL shall elect one of the following options by written notice to STANFORD: (a) to allow this Agreement to continue in full force and effect, except that the minimum annual royalties due to STANFORD pursuant to Section 6.2 shall be reduced by fifty percent (50%); or [ * ] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 406 OF THE SECURITIES ACT OF 1933, AS AMENDED. 6. <PAGE> (b) to modify the terms of this Agreement to include terms no less favorable to RIGEL than those STANFORD then provides to third party licensees of the Licensed Technology. If no such license agreement between STANFORD and any such third party exists at the time RIGEL must elect either (a) or (b), then (a) shall automatically apply. If RIGEL elects the option set forth in Section 6.6(a), such a reduction shall be in addition to any reduction resulting from the application of Section 6.2. If RIGEL elects the option set forth in Section 6.6(b), RIGEL and STANFORD shall modify the Agreement to contain all rights and obligations contained in licenses available to such other licensees. 6.7 Creditable payments under this Agreement shall be offset against up to fifty percent (50%) of each earned royalty payment which RIGEL would be required to pay pursuant to Section 6.4, until the entire creditable amount is exhausted. 6.8 If this Agreement is not terminated in accordance with other provisions hereof, RIGEL's obligation to pay royalties hereunder shall continue until ten (10) years after first commercial sale of Licensed Products. 6.9 The royalty on sales in currencies other than U.S. Dollars shall be calculated using the appropriate foreign exchange rate for such currency quoted by the Bank of America (San Francisco) foreign exchange desk, on the close of business on the last banking day of each calendar quarter. Royalty payments to STANFORD shall be in U.S. Dollars. All non-U.S. taxes related to royalty payments shall be paid by RIGEL and are not deductible from the payments due STANFORD. 7. ROYALTY REPORTS, PAYMENTS, AND ACCOUNTING 7.1 QUARTERLY EARNED ROYALTY PAYMENT AND REPORT - Beginning with the first sale of Licensed Products, RIGEL shall make written reports (even if there are no sales) and earned royalty payments to STANFORD within thirty (30) days after the end of each calendar quarter. This report shall be in the form of the report of Appendix B and shall state the number, description and aggregate Net Sales of Licensed Products during such completed calendar quarter, and shall state the resulting calculation pursuant to Section 6.4 of earned royalty payments due STANFORD for such completed calendar quarter. Concurrent with the making of each such report, RIGEL shall include payment due STANFORD of royalties for the calendar quarter covered by such report. 7.2 ACCOUNTING - RIGEL agrees to keep and maintain records for a period of three (3) years showing the manufacture, sale, use and other disposition of products sold or otherwise disposed of under the licenses herein granted. Such records will include general ledger records showing cash receipts and expenses and records which include production records, customers, serial numbers and related information in sufficient detail to enable the royalties payable hereunder by RIGEL to be determined. RIGEL further agrees to permit its books and records to be examined by STANFORD from time to time to the extent necessary to verify reports provided [ * ] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 406 OF THE SECURITIES ACT OF 1933, AS AMENDED. 7. <PAGE> for in Section 7.1. Such examination is to be made by STANFORD or its designee, at the expense of STANFORD, except in the event that the results of the audit reveal an underreporting of royalties due STANFORD of five percent (5%) or more, then the audit costs shall be paid by RIGEL. 8. NEGATION OF WARRANTIES 8.1 Nothing in this Agreement is or shall be construed as: (a) a warranty or representation by STANFORD as to the validity or scope of any Licensed Patents; (b) a warranty or representation that anything made, used, sold or otherwise disposed of under any license granted in this Agreement is or will be free from infringement of patents, copyrights and other rights of third parties; (c) an obligation to bring or prosecute actions or suits against third parties for infringement, except to the extent and in the circumstances described in Article 13; (d) granting by implication, estoppel or otherwise any licenses or rights under patents or other rights of STANFORD or other persons other than Licensed Technology, regardless of whether such patents or other rights are dominant or subordinate to any Licensed Technology; or (e) an obligation to furnish any technology or technological information other than the Licensed Technology. 8.2 Except as expressly set forth in this Agreement, STANFORD MAKES NO REPRESENTATIONS AND EXTENDS NO WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED. THERE ARE NO EXPRESS OR IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, OR THAT THE USE OF THE LICENSED PRODUCT(S) WILL NOT INFRINGE ANY PATENT, COPYRIGHT, TRADEMARK, OR OTHER RIGHTS OR ANY OTHER EXPRESS OR IMPLIED WARRANTIES. 8.3 RIGEL agrees that nothing in this Agreement grants RIGEL any express or implied license or right under or to U.S. Patent 4,656,134 "Amplification of Eucaryotic Genes" or any patent application corresponding thereto. 9. INDEMNITY 9.1 LICENSEE agrees to indemnify, hold harmless, and defend STANFORD, UCSF-Stanford Health Care and Stanford Health Services and their respective trustees, officers, employees, students and agents against any and all claims for death, illness, personal injury, property damage, and improper business practices arising out of the manufacture, use, sale or [ * ] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 406 OF THE SECURITIES ACT OF 1933, AS AMENDED. 8. <PAGE> other disposition of Inventions, Licensed Products or Licensed Technology by RIGEL or RIGEL's sublicensee(s), or their customers. 9.2 STANFORD shall not be liable for any indirect, special, consequential or other damages whatsoever, whether grounded in tort (including negligence), strict liability, contract or otherwise. STANFORD shall not have any responsibilities or liabilities whatsoever with respect to Licensed Product(s). 9.3 LICENSEE shall at all times comply, through insurance or self-insurance, with all statutory workers' compensation and employers' liability requirements covering any and all employees with respect to activities performed under this Agreement. 9.4 In addition to the foregoing, LICENSEE shall maintain, during the term of this Agreement, Comprehensive General Liability Insurance, including Products Liability Insurance, with reputable and financially secure insurance carrier(s) to cover the activities of LICENSEE and its sublicensee(s). Such insurance shall provide minimum limits of liability of $5 Million and shall include STANFORD, UCSF-Stanford Health Care, Stanford Health Services, their trustees, directors, officers, employees, students and agents as additional insureds. Such insurance shall be written to cover claims incurred, discovered, manifested, or made during or after the expiration of this Agreement. At STANFORD's request, LICENSEE shall furnish a Certificate of Insurance evidencing primary coverage and requiring thirty (30) days prior written notice of cancellation or material change to STANFORD. LICENSEE shall advise STANFORD, in writing, that it maintains excess liability coverage (following form) over primary insurance for at least the minimum limits set forth above. All such insurance of LICENSEE shall be primary coverage; insurance of STANFORD, USCF-Stanford Health Care, and Stanford Health Services shall be excess and noncontributory. 10. MARKING Prior to the issuance of patents on the Inventions, RIGEL agrees to mark Licensed Products (or their containers or labels) made, sold, or otherwise disposed of by it under the license granted in this Agreement with the words "Patent Pending," and following the issuance of one or more patents, with the numbers of the Licensed Patents. 11. STANFORD NAMES AND MARKS RIGEL agrees not to identify STANFORD in any promotional advertising or other promotional materials to be disseminated to the public or any portion thereof or to use the name of any STANFORD faculty member, employee, or student or any trademark, service mark, trade name, or symbol of STANFORD, STANFORD Health Services or UC-Stanford Health Care, or that is associated with any of them, without STANFORD's prior written consent. 12. PATENT RIGHTS 12.1 STANFORD shall have the obligation to file, prosecute and maintain all patent applications and patents included in the Licensed Patents. [ * ] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 406 OF THE SECURITIES ACT OF 1933, AS AMENDED. 9. <PAGE> 12.2 STANFORD will provide RIGEL with an opportunity to review and comment upon the prosecution strategy and to consult with STANFORD on the content of patent filings. In addition, STANFORD will provide RIGEL or a designee of RIGEL with copies of any correspondence relating to patent applications and patents included in the Licensed Patents. 12.3 RIGEL shall have the right to designate, in its sole discretion, those foreign countries in which STANFORD will file, prosecute and maintain patents and patent applications included in the Licensed Patents. STANFORD may propose to file, prosecute and maintain Licensed Patents in a country which RIGEL has not designated pursuant to this Section 12.3. If RIGEL agrees to such designation, it shall reimburse STANFORD for the costs of such filing, prosecution and maintenance of such patents or patent applications pursuant to Section 12.4 and such patents or patent applications shall be included in the Licensed Patents. If RIGEL does not agree to such proposal, STANFORD may elect to proceed with such filing, prosecution or maintenance at its own expense, and such patents or patent applications in such country shall not be included in the Licensed Patents. 12.4 Within thirty (30) days after the Effective Date, RIGEL shall reimburse STANFORD for all costs incurred by STANFORD prior to the Effective Date in connection with the filing and prosecution of the patent applications described in Section 2.5 ("Prior Patent Costs"). RIGEL shall also reimburse STANFORD for all costs incurred by STANFORD after the Effective Date with respect to the filing, prosecution, issuance and maintenance of patent applications described in Section 2.5 and the Licensed Patents ("Future Patent Costs"); PROVIDED, HOWEVER, that: (a) if STANFORD grants a license under the Licensed Patents to any third party (an "Other Licensee"), RIGEL's obligation to reimburse STANFORD under this Section 12.4(a) shall be reduced such that RIGEL and such Other Licensee(s) shall pay a pro-rata share of all Future Patent Costs incurred after the date STANFORD executes such license agreement with such Other Licensee (such pro-rata share shall be equal to the total Future Patent Costs incurred divided by the number of licensees under the Licensed Patents at the time such costs are incurred); and (b) in addition to any reimbursement due RIGEL pursuant to Section 12.4(a), if STANFORD grants a license under the Licensed Patents to an Other Licensee prior to the second anniversary of the Effective Date, STANFORD shall reimburse RIGEL for fifty percent (50%) of the Prior Patent Costs. 13. INFRINGEMENT BY OTHERS: PROTECTION OF PATENTS 13.1 RIGEL shall promptly inform STANFORD of any suspected infringement of any Licensed Patents by a third party. During the Exclusivity Term, STANFORD and RIGEL each shall have the right to institute an action for infringement of the Licensed Patents against such third party in accordance with the following: [ * ] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 406 OF THE SECURITIES ACT OF 1933, AS AMENDED. 10. <PAGE> (a) if STANFORD and RIGEL agree to institute suit jointly, the suit shall be brought in both their names, the out-of-pocket costs thereof shall be borne equally, and any recovery or settlement shall be shared equally. RIGEL and STANFORD shall agree to the manner in which they shall exercise control over such action. STANFORD may, if it so desires, also be represented by separate counsel of its own selection, the fees for which counsel shall be paid by STANFORD; (b) in the absence of agreement to institute a suit jointly, STANFORD may institute suit, and, at its option, join RIGEL as a plaintiff. If STANFORD decides to institute suit, then it shall notify RIGEL in writing. STANFORD shall bear the entire cost of such litigation and shall be entitled to retain the entire amount of any recovery or settlement; and (c) in the absence of agreement to institute a suit jointly and if STANFORD notifies RIGEL that it has decided not to join in or institute a suit, as provided in (a) or (b) above, RIGEL may institute suit and, at its option, join STANFORD as a plaintiff. RIGEL shall bear the entire cost of such litigation. Any recovery in excess of litigation costs will be shared with STANFORD as follows: (i) Any payment for past sales will be deemed to be Net Sales and RIGEL will pay STANFORD royalties thereon at the rates specified in Paragraph 6.4; and (ii) any payment which covers future sales will be deemed a sublicense and royalties will be shared as specified in Paragraph 6.3 and Article 15. LICENSEE and STANFORD agree to negotiate in good faith an appropriate compensation to STANFORD for any non-cash amounts or awards received in any settlement or cross- license resulting from a suit brought by RIGEL pursuant to this Section 13.1(c). STANFORD will not share in the portion of the recovery, if any, that is payment for "willful infringement." 13.2 Should either STANFORD or RIGEL commence a suit under the provisions of Section 13.1 and thereafter elect to abandon the same, it shall give timely notice to the other party who may, if it so desires, continue prosecution of such suit; PROVIDED, HOWEVER, that the sharing of expenses and any recovery in such suit shall be as agreed upon between STANFORD and RIGEL. 14. OTHER LICENSEE(S) OF STANFORD 14.1 If during the Exclusivity Term STANFORD discusses with, or has received an offer from, a third party (a "Potential Licensee") with respect to an opportunity for such Potential Licensee to obtain a license under the Licensed Technology within the Licensed Field of Use, STANFORD may so notify RIGEL. Such notice shall specify the field within which such Potential Licensee desires to obtain a license under the Licensed Technology (the "Field of Interest"). Within thirty (30) days after RIGEL receives a notice from STANFORD pursuant to this Section 14.1, the parties will meet to discuss RIGEL's current activities directed toward, or [ * ] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 406 OF THE SECURITIES ACT OF 1933, AS AMENDED. 11. <PAGE> plans for, developing Licensed Products useful within the Field of Interest. If RIGEL does not demonstrate that it is then diligently conducting such activities or provide plans for diligently developing Licensed Products within the Field of Interest that are reasonably acceptable to STANFORD, then RIGEL and STANFORD shall discuss in good faith reasonable modifications to the Agreement that exclude the Field of Interest from the definition of the Licensed Field of Use. STANFORD may thereafter license to such Potential Licensee the Licensed Technology in the Field of Interest. 14.2 If STANFORD has not entered into an agreement with a Service Provider outside the Licensed Field of Use during the Exclusivity Term, then after the expiration of the Exclusivity Term STANFORD and RIGEL agree to discuss in good faith how to modify appropriately the definition of the Licensed Field of Use to enable STANFORD to increase the interest of Service Providers in obtaining a license under the Licensed Technology outside any modified Licensed Field of Use. 15. SUBLICENSE(S) 15.1 RIGEL may grant sublicense(s) to its corporate partners in conjunction with a sublicense of RIGEL's proprietary technology other than the Licensed Technology and Improvements; provided that the Licensed Technology is applicable to the field within which RIGEL and such corporate partner are collaborating. 15.2 Any sublicense(s) granted by RIGEL under this Agreement shall be subject and subordinate to terms and conditions of this Agreement, except: (a) Sublicense terms and conditions shall reflect that any sublicensee(s) shall not grant sublicenses to a third parties (subject to Section 15.4); and (b) The earned royalty rate specified in the sublicense(s) may be at higher rates than the rates in this Agreement. Any such sublicense(s) also shall expressly include the provisions of Articles 7, 8, and 9 for the benefit of STANFORD and provide for the transfer of all obligations, including the payment of royalties specified in such sublicense(s), to STANFORD or its designee, in the event that this Agreement is terminated if such sublicenses remain in effect after termination of this Agreement. 15.3 RIGEL agrees to provide STANFORD with a copy of any sublicense granted pursuant to this Article 15. 15.4 STANFORD agrees that RIGEL and/or its permitted sublicensee(s) may (i) distribute Licensed Products through their normal channels, and (ii) contract for the manufacture of Licensed Products with one or more third parties. 16. TERMINATION [ * ] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 406 OF THE SECURITIES ACT OF 1933, AS AMENDED. 12. <PAGE> 16.1 RIGEL may terminate this Agreement by giving STANFORD notice in writing at least thirty (30) days in advance of the effective date of termination selected by RIGEL. 16.2 STANFORD may terminate this Agreement if RIGEL: (a) is in default in payment of royalties or providing of reports; (b) is in breach of any provision hereof (subject to Section 5.2); or (c) intentionally provides any false report; and fails to remedy any such default, breach, or false report within thirty (30) days after written notice thereof by STANFORD. 16.3 Surviving any termination are: (a) RIGEL's obligation to pay royalties accrued or accruable; (b) any cause of action or claim of RIGEL or STANFORD, accrued or to accrue, because of any breach or default by the other party; and (c) the provisions of Sections 3.2, 3.5 and Articles 7, 8 and 9. 17. ASSIGNMENT This Agreement may not be assigned by either party without the express written consent of the other party, except that RIGEL may assign the Agreement in connection with a merger, consolidation or sale of all or substantially all of RIGEL's assets. 18. ARBITRATION 18.1 Any controversy arising under or related to this Agreement, and any disputed claim by either party against the other under this Agreement excluding any dispute relating to patent validity or infringement arising under this Agreement, shall be settled by arbitration in accordance with the Licensing Agreement Arbitration Rules of the American Arbitration Association. 18.2 Upon request by either party, arbitration will be by a third party arbitrator mutually agreed upon in writing by RIGEL and STANFORD within thirty (30) days of such arbitration request. Judgement upon the award rendered by the arbitrator shall be final and nonappealable and may be entered in any court having jurisdiction thereof. 18.3 The parties shall be entitled to discovery in like manner as if the arbitration were a civil suit in the California Superior Court. 18.4 Any arbitration shall be held at Stanford, California, unless the parties hereto mutually agree in writing to another place. [ * ] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 406 OF THE SECURITIES ACT OF 1933, AS AMENDED. 13. <PAGE> 19. NOTICES All notices under this Agreement shall be deemed to have been fully given when done in writing and deposited in the United States mail, registered or certified, and addressed as follows: To STANFORD: Office of Technology Licensing STANFORD University 900 Welch Road, Suite 350 Palo Alto, CA 94304-1850 Attention: Director To RIGEL: Rigel, Inc. 772 Lucerne Drive Sunnyvale, CA 94086 Attention: President Either party may change its address upon written notice to the other party. 20. WAIVER None of the terms of this Agreement can be waived except by the written consent of the party waiving compliance. 21. APPLICABLE LAW This Agreement shall be governed by the laws of the State of California applicable to agreements negotiated, executed and performed wholly within California. 22. SEVERABILITY; ENTIRE AGREEMENT If any provision of this Agreement shall be held to be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions shall not be in any way affected or impaired thereby. This Agreement embodies the entire understanding of the parties and shall supersede all previous communications, representations or understandings, either oral or written, between the parties relating to the subject matter hereof. No amendment or modification hereof shall be valid or binding upon the parties unless made in writing and signed by duly authorized representatives of both parties. 23. COUNTERPARTS [ * ] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 406 OF THE SECURITIES ACT OF 1933, AS AMENDED. 14. <PAGE> This Agreement may be executed in counterparts, each of which shall be deemed an original and all of which together shall constitute one legal instrument. IN WITNESS WHEREOF, the parties hereto have executed this Agreement in duplicate originals by their duly authorized officers or representatives. THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY Signature /s/ Katherine Ku ------------------------- Name Katherine Ku ------------------------------ Title Director ----------------------------- Date April 15, 1998 ------------------------------ RIGEL Signature /s/ James M. Gower ------------------------- Name James M. Gower ------------------------------ Title President & CEO ----------------------------- Date 3/27/98 ------------------------------ [ * ] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 406 OF THE SECURITIES ACT OF 1933, AS AMENDED. 15. <PAGE> EXHIBIT A LICENSED BIOLOGICAL MATERIALS [ * ] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 406 OF THE SECURITIES ACT OF 1933, AS AMENDED. 16. <PAGE> [ * ] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 406 OF THE SECURITIES ACT OF 1933, AS AMENDED. 17.