License Agreement - Stanford University and Rigel Pharmaceuticals Inc.
AGREEMENT Effective as of October 7, 1996 ("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 having a principle place of business at 24 Windsor Drive, Hillsborough, CA 94010 ("RIGEL"), agree as follows: 1. BACKGROUND. 1.1 STANFORD has an assignment of U.S. Patent Application No. 08/589,109, entitled "Methods for Screening for Transdominant Effector Peptides and RNA Molecules" (the "NOLAN/ROTHENBERG PATENT APPLICATION") claiming an invention developed in the laboratory of Dr. Garry Nolan (the "Invention"), and any Licensed Patent(s), as hereinafter defined, which may claim such Invention. 1.2 STANFORD has certain biological materials and other know-how ("Know-How"), as herein defined, pertaining to the Invention. 1.3 STANFORD desires to have the Know-How and Invention 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 Patent(s) in the field of use of gene transfer technologies, including retrovirally mediated nucleic acid libraries, for drug development, drug delivery, drug screening, and target analysis and discovery associated with the development, manufacture, use and sale of Licensed product(s), as defined below. 1.5 RIGEL acknowledges that certain of the Cell Lines (as defined below) were made in the course of research supported by Progenesys. 1.6 The patent application entitled "Methods for Screening for Transdominant Intracellular Effector Peptides and RNA Molecules," which claims technology useful in the field and which was developed in the laboratory of Dr. Garry Nolan (the "Nolan Patent Application"), has previously been assigned to RIGEL. 2. DEFINITIONS. 2.1 "LICENSED BIOLOGICAL MATERIALS" means the materials listed on Exhibit A, including certain vector libraries ("Vector Libraries") and cell lines ("Cell Lines") set forth therein, as amended from time to time upon the parties' mutual written consent. 2.2 "LICENSED KNOW-HOW" means all know-how necessary or useful for the commercial exploitation of the Licensed Patents in the Licensed Field of Use, including without limitation all know-how, trade secrets, protocols, information, processes or other subject matter [ * ] = 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> which is either disclosed in the Nolan/Rothenberg Patent Application, or necessary or useful to practice the licenses granted to RIGEL in this Agreement with respect to the Invention. Licensed Know-How excludes the Licensed Patents and includes the Licensed Biological Materials. 2.3 "LICENSED PATENT(S)" means any Letters Patent, both foreign (subject to Section 7) and domestic, issued upon (i) the Nolan/Rothenberg Patent Application (STANFORD's U.S. Patent Application, Serial Number 08/589,109 filed January 23, 1996), (ii) any substitutions, divisionals, continuations, and continuations-in-part (to the extent such continuations-in-part claim subject matter disclosed or claimed in the Nolan/Rothenberg Patent Application as filed on January 23, 1996 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 Licensed Patent issuing from such continuation-in-part), and (iii) any foreign counterparts of (i) or (ii). 2.4 "LICENSED TECHNOLOGY" means the Licensed Patent(s) and the Licensed Know-How. 2.5 "LICENSED PRODUCT(S)" means: (a) any product, the manufacture, use, sale, offer for sale or import of which: (1) is covered by a valid claim of an issued, unexpired Licensed Patent(s) directed to the Invention (claim of an issued, unexpired Licensed Patent(s) shall be presumed to be valid unless and until it has 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 (2) 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 first filing of such claim; (b) any product which directly incorporates any of the Licensed Biological Materials; or (c) any product which would not, but for the use of the Licensed Biological Materials, have been identified, discovered, or developed. 2.6 "NET SALES" means the gross revenue derived by RIGEL and/or RIGEL's sublicensee(s) from the sales of Licensed Product(s), less the following items but only insofar as they actually pertain to the disposition of such Licensed Product(s) by RIGEL or RIGEL's sublicensee(s), are included in such gross revenue, and are separately billed: (a) Import, export, excise and sales taxes, and custom duties; (b) Credit for returns, allowances, trades, or retroactive price adjustments; (c) Transportation charges, issuances and allowances; [ * ] = 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> (d) Discounts actually allowed; or (E) Royalties payable to third parties on the manufacture, use, sale, offer for sale or import of Licensed Products. 2.7 "LICENSED FIELD OF USE" means the use of gene transfer technologies, including retrovirally mediated nucleic acid libraries, for drug development, drug delivery, and target analysis and discovery. Solely with respect to the [ * ] Cell Lines set forth on Exhibit A, the Licensed Field of Use excludes the use of such Cell Lines, derivatives or vectors thereof or other tangible products that are a direct lineal descendent from such Cell Lines (although obtained in any manner therefrom), wherein cells treated with any one or more of the aforementioned materials are contained within a human subject or are subsequently transplanted into a human subject. 2.8 "EXCLUSIVE" means that, subject to Article 4, STANFORD shall not grant further licenses in the Licensed Field of Use. 3. GRANT. 3.1 STANFORD hereby grants and RIGEL hereby accepts a worldwide license in the Licensed Field of Use under STANFORD's right, title and interest in the Licensed Patents and the Vector Libraries to make, use, sell, offer for sale and import Licensed Product(s). 3.2 The license granted in Section 3.1 is Exclusive, including the right to sublicense pursuant to Article 13, in the Licensed Field of Use for a term (the "Exclusivity Term") commencing as of the Effective Date and ending on the first to occur of the following: (a) twenty (20) years from the Effective Date; or (b) ten (10) years from the date of first commercial sale of a Licensed Product(s) by RIGEL or RIGEL's sublicensee(s). RIGEL agrees to promptly inform STANFORD in writing of the date of first commercial sale of Licensed Products. After expiration of the Exclusivity Term, said license shall become nonexclusive and continue indefinitely. 3.3 STANFORD additionally grants, and RIGEL hereby accepts, a worldwide, nonexclusive license in the Licensed Field of Use under STANFORD's right, title and interest in the Licensed Know-How other than the Vector Libraries to make, use, sell, offer for sale and import Licensed Product(s). The term of such nonexclusive license shall commence upon the Effective Date and, continiue indefinitely. 3.4 Notwithstanding the Exclusive license granted to RIGEL, pursuant to Sections 3.1 and 3.2, STANFORD shall have the right to practice the Licensed Patents and to use the Vector Libraries for non-commercial, academic research purposes. 4. GOVERNMENT RIGHTS. [ * ] = 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> 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 Product(s) 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 the Invention. STANFORD agrees to provide reasonable assistance to RIGEL in the event RIGEL decides to seek a waiver under such domestic manufacture equipment. 5. DILIGENCE. 5.1 As an inducement to STANFORD to enter into this Agreement, RIGEL agrees to use all reasonable efforts and diligence to proceed with the development, manufacture, and sale of Licensed Product(s) and to diligently develop markets for the Licensed Product(s). RIGEL shall demonstrate such diligence to STANFORD by achieving proof of principle through written documentation of the following within eighteen (18) months after the Effective Date: (a) Construction of a retroviral vector library; (b) Infection of cells with such vector library; (c) Detection of a physiological response to such infection in an infected cell; and (d) Isolation and analysis of the peptide eliciting such physiological response from the cell. 5.2 If RIGEL is unable to demonstrate the foregoing proof of principle within eighteen (18) months after the Effective Date, STANFORD may elect to narrow the definition of the Licensed Field of Use to include only the use of retrovirally mediated nucleic acid libraries for drug development, drug delivery, drug screening, and target analysis and discovery, by providing written notice to RIGEL thereof. Additionally, RIGEL shall provide to STANFORD within eighteen (18) months after the Effective Date a plan for the development and commercialization of Licensed Products (a "Development Plan"). STANFORD shall comment upon and approve such plan, which approval shall not be unreasonably withheld. After the Development Plan is approved by STANFORD, RIGEL shall use reasonable efforts to diligently perform its obligations under such Development Plan. If Stanford reasonably believes that RIGEL is not using reasonable efforts to perform the Development Plan, STANFORD may so notify RIGEL. The parties shall promptly thereafter meet to discuss RIGEL's progress under the Development Plan, and shall develop a mutually agreeable plan for remedying any such lack of diligence ( the "Proposed Remedy"). If RIGEL fails to perform the Proposed Remedy within one hundred and eighty (180) days after the Proposed Remedy is agreed upon, STANFORD may elect to narrow the definition of the Licensed Field of Use to include only the use of retrovirally mediated nucleic acid libraries for drug development, drug delivery, and target analysis and discovery by providing written notice to RIGEL. If RIGEL then fails to perform the Proposed Remedy within ninety (90) days after receiving STANFORD's notice that it has elected to so narrow the [ * ] = 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> Licensed Field of Use definition, then STANFORD may elect to convert the Exclusive License granted to RIGEL pursuant to Sections 3.1 and 3.2 to a nonexclusive license for the remaining term of this Agreement. 5.3 PROGRESS REPORT. On or before each anniversary of the Effective Date until RIGEL markets a Licensed Product(s), RIGEL shall make a written annual report to STANFORD covering RIGEL's progress during the preceding year toward commercial use of Licensed Product(s). Such report shall include, as a minimum, information sufficient to enable STANFORD to satisfy relevant reporting requirements of the U.S. Government and to ascertain RIGEL's progress toward meeting the diligence requirements of this Article 5. 6. ROYALTIES. 6.1 RIGEL agrees to pay to STANFORD a noncreditable, nonrefundable license issue royalty of ________________ half of which shall be paid within forty-five (45) days after the Effective Date and the balance of which shall be on the first anniversary of the Effective Date. 6.2 Upon each anniversary of the Effective Date, RIGEL shall also pay to STANFORD a Minimum Annual Royalty as follows: Anniversary of Effective Date Minimum Annual Royalty Due First and Second ____________ Third through Seventh ____________ Eighth and Thereafter ____________ Said Minimum Annual Royalty payments are nonrefundable but they are creditable against earned royalties to the extent provided in Paragraph 6.5. The foregoing Minimum Annual Royalty payment shall be decreased by [ * ] if either: (i) Stanford abandons all patent applications from which Licensed Patent(s) could issue prior to the time that any Licensed Patent(s) issue; or (ii) Stanford elects to narrow the definition of the Licensed Field of Use pursuant to Section 5.2. 6.3 If Rigel grants to a third party a sublicense under the Licensed Technology solely for research, and not commercialization purposes (a "Research Sublicense"), Rigel shall also pay to STANFORD a milestone payment equal to __________ of any research milestone payment that RIGEL receives as consideration for the grant of such Research Sublicense. RIGEL shall pay such amount to STANFORD within sixty (60) days after RIGEL receives such research milestone payment. If RIGEL grants to a third party a sublicense under the Licensed Technology which includes the right to sell and offer for sale Licensed Products (a "Commercialization Sublicense"), RIGEL shall pay to STANFORD a sublicense fee as follows: [ * ] = 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> First Sublicense Granted ______________ Second Sublicensed Granted ______________ Each Additional Sublicense Granted ______________ RIGEL shall pay such sublicense fees to STANFORD within sixty (60) days after the effective date of each Commercialization Sublicense. 6.4 In addition, RIGEL shall pay STANFORD earned royalties equal to ___________ of Net Sales of Licensed Products set forth in Sections 2.5(a) and 2.5(b), or ________of Net Sales of Licensed Products which can only be categorized under Section 2.5(c). If a Licensed product can be included in more than one of Sections 2.5(a), 2.5(b) or 2.5(c), the royalty rate due to STANFORD on Net Sales of such Licensed Product shall be _______. 6.5 As further consideration for the license granted to RIGEL under this Agreement, RIGEL shall issue to STANFORD ______________shares of Preferred Stock of RIGEL, pursuant to a Stock Purchase Agreement. If such number of shares shall equal less than ______________of the total outstanding shares of RIGEL's stock at any time during the period from the date of issuance of such stock until one (1) year thereafter, STANFORD and RIGEL shall discuss whether RIGEL shall adjust the number of shares issued to Stanford under this Section 6.5. 6.6 Creditable payments under this Agreement shall be an offset to RIGEL against up to fifty percent (50%) of each earned royalty payment which RIGEL would be required to pay pursuant to Paragraph 6.4 until the entire credit is exhausted. 6.7 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. 6.8 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. 6.9 Within thirty (30) days after receipt of a statement from STANFORD, RIGEL shall reimburse STANFORD for all costs incurred by STANFORD, including those costs incurred prior to the Effective Date, in connection with the preparation, filing and prosecution of all patent applications and maintenance of patents claiming the Invention. 7. PATENT RIGHTS. STANFORD shall have the obligation to file, prosecute and maintain all patent applications and patents included in the Licensed Patents. STANFORD will provide RIGEL [ * ] = 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> with an opportunity to review and comment upon the prosecution strategy and to consult with STANFORD on the content of patent filings, and will provide copies of any correspondence relating to patent applications and patents included in the Licensed Patents to RIGEL or a designee of RIGEL. 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 a Licensed Patent in a country which RIGEL has not designated pursuant to this Section 7. If RIGEL agrees to such designation, it shall reimburse STANFORD costs of such filing, prosecution of maintenance of such patent or patent applications pursuant to Section 6.9 and such patent 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 patent or patent application shall not be included in the Licensed Patents. 8. ROYALTY REPORTS, PAYMENTS, AND ACCOUNTING. 8.1 QUARTERLY EARNED ROYALTY PAYMENT AND REPORT. Beginning with the first sale of a Licensed Product, 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 Exhibit B and shall state the number, description, and aggregate Net Sales of Licensed Product(s) during such completed calendar quarter, and resulting calculation pursuant to Paragraph 6.4 of earned royalty payment 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. 8.2 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 license 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 for in Paragraph 8.1. 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. 9. NEGATION OF WARRANTIES. 9.1 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 Patent(s); [ * ] = 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> (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 Patent(s), regardless of whether such patents or other rights are dominant or subordinate to any Licensed Patent(s); or (e) An obligation to furnish any technology or technological information other than the Licensed Technology. 9.2 Except as expressly set forth in the 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. 9.3 RIGEL agrees that nothing in this Agreement grants RIGEL any express or implied license or right under or to: (a) U.S. Patent No. 4,237,224, "Process for Producing Biologically Functional Molecular Chimeras"; U.S. Patent No. 4,468,464 and U.S. Patent No. 4,740470, both entitled, "Biologically Functional Molecular Chimeras" (collectively known as the Cohen/Boyer patents), or reissues thereof; or (b) U.S. Patent 4,656,134 "Amplification of Eucaryotic Genes" or any patent application corresponding thereto. 9.4 STANFORD represents and warrants that it has all right, power and authority necessary to grant the licenses set forth in Article 3 to RIGEL, and that it has not, and will not during the term of this Agreement, grant any right to any third party which would conflict with the rights granted to RIGEL hereunder. 10. INDEMNITY. 10.1 RIGEL agrees to indemnify, hold harmless, and defend STANFORD and Stanford Health Services and their respective trustees, officers, employees, students, and agents against any and all claims by third parties for death, illness, personal injury, property damage, and improper business practices arising out of the manufacture, use, sale, or other disposition of [ * ] = 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> the Invention, Licensed Technology, or Licensed Product(s) by RIGEL or RIGEL's sublicensee(s) or customers. 10.2 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 whosoever with respect to Licensed Product(s). 10.3 RIGEL 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. 10.4 In addition to the foregoing, RIGEL shall maintain Comprehensive General Liability Insurance including Products Liability Insurance, with reputable and financially secure insurance carrier(s) to cover the activities of RIGEL and its sublicensee(s) in the amounts and during the periods specified herein. Such insurance shall provide minimum limits of liability of One Million Dollars ($1,000,000) as of the first anniversary of the date upon which RIGEL first leases a facility in which it will conduct research and development activities, and of Five Million Dollars ($5,000,000) as of the commencement of human clinical trials of Licensed Products. Such insurance shall include STANFORD, 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, RIGEL shall furnish a Certificate of Insurance evidencing primary coverage and requiring thirty (30) days prior written notice of cancellation or material change to STANFORD. RIGEL 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 RIGEL shall be primary coverage; insurance of STANFORD or Stanford Health Services shall be excess and noncontributory. 11. MARKING. Prior to the issuance of patents on the Invention, RIGEL agrees to mark Licensed Product(s) (or their containers or labels) made, sold, or otherwise disposed of by it under the licenses granted in this Agreement with the words "Patent Pending," and following the issuance of one or more patents, with the numbers of the Licensed Patent(s). 12. STANFORD NAMES AND MARKS. RIGEL agrees not to identify STANFORD in any promotional advertising or other promotional materials to be disseminated to the pubic 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 or the Stanford University Hospital, or that is associated with either of them, without STANFORD's prior written consent, except as required by law. STANFORD shall not unreasonably hold consent under this Section 12. [ * ] = 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> 13. INFRINGEMENT BY OTHERS: PROTECTION OF PATENTS. 13.1 RIGEL shall promptly inform STANFORD of any suspected infringement of any Licensed Patent(s) by a third party. During the Exclusive period of this Agreement, STANFORD and RIGEL each shall have the right to institute an action for infringement of the Licensed Patent(s) against such third party in accordance with the following: (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 and shall be entitled to retain the entire amount of any recovery or settlement, provided, however, that any recovery in excess of litigation costs shall be deemed to be Net Sales, and RIGEL shall pay STANFORD royalties thereon at the rates specified herein. 13.2 Should either STANFORD or RIGEL commence a suit under the provisions of Paragraph 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. SUBLICENSE(S). 14.1 RIGEL may grant sublicense(s) under its Exclusive license rights during the Exclusivity Term. RIGEL may grant sublicense(s) under nonexclusive license rights, if such sublicense is in conjunction with a sublicense of other RIGEL proprietary technology. 14.2 If RIGEL is unable or unwilling to serve or develop a potential market or market territory for which there is a willing sublicense(s), RIGEL will, at STANFORD's request negotiate in good faith a sublicense(s) hereunder on commercially reasonable terms. 14.3 Any sublicense(s) granted by RIGEL under this Agreement shall be subject and subordinate to terms and conditions of this Agreement, except: [ * ] = 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) Sublicense terms and conditions shall reflect that any sublicensee(s) shall not grant a sublicense to a third party; 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 8, 9, and 10 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. 14.4 RIGEL agrees to provide STANFORD a copy of any sublicense(s) granted pursuant to this Article 14. 15. TERMINATION. 15.1 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. 15.2 STANFORD may terminate this Agreement if RIGEL: (a) Is in default in payment of royalty or providing of reports; (b) Is in material breach of any provision hereof; or (c) Intentionally provides any false report; and RIGEL fails to remedy any such default, breach, or false report within thirty (30) days after written notice thereof by STANFORD. 15.3 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 Articles 8, 9, and 10. 16. 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. 17. DOUBLE PATENTING CONTINGENCY. [ * ] = 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> If the PTO rejects either the Nolan/Rothenberg Patent Application for double patenting in view of the claims of the Nolan Patent Application, or the claims of the Nolan Patent Application for double patenting in view of the claims of the Nolan/Rothenberg Patent Application, then RIGEL may elect to assign its right, title and interest in the Nolan Patent Application to STANFORD, in which case STANFORD shall grant to RIGEL an irrevocable, exclusive, worldwide, royalty-free license under STANFORD's right, title and interest in the Nolan Patent Application for all purposes. 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. 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: 24 Windsor Drive Hillsborough, CA 94010 Attention: Dr. Donald G. Payan Either party may change its address upon written notice to the other party. [ * ] = 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> 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. If any provision or provisions 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. 23. ENTIRE AGREEMENT. This Agreement, together with the Exhibits attached hereto, embodies the entire understanding of the parties and shall supercede 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. 24. COUNTERPARTS. This Agreement may be executed in counterparts, with the same force and effect as if the parties had executed the same 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, Technology Licensing --------------------------------- Date October 7, 1996 ---------------------------------- RIGEL Signature /s/ Donald G. Payan ----------------------------- Name Donald G. Payan ---------------------------------- Title President & CEO --------------------------------- Date 10/9/96 ---------------------------------- [ * ] = 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> EXHIBIT A MATERIALS FROM NOLAN LAB TO BE LICENSED TO RIGEL [ * ] [ * ] = 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. <PAGE> EXHIBIT B SAMPLE REPORTING FORM Stanford Docket No. S______-________ This report is provided pursuant to the license agreement between Stanford University and ______________________________________________________. License Agreement Effective Date: __________________________ Report Covering Period _________ Fixed Fees (Annual Minimum Payment) $_________ Number of Sublicense Executed _________ Net Sales $_________ Royalty Calculation _________ Royalty Subtotal $_________ Credit $_________ Royalty Due $_________ Comments: [ * ] = 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. <PAGE> AMENDMENT The Board of Trustees of the Leland Stanford Junior University ("Stanford") and Rigel Pharmaceuticals, Inc. ("Rigel") agree to extend the time period within which Rigel must pay the license issue royalty due to Stanford pursuant to the License Agreement between Stanford and Rigel dated October 7, 1996 (the "Agreement"). Section 6.1 of the Agreement is hereby amended to provide that Rigel will pay the license issue royalty to Stanford within ninety (90) days after the Effective Date of the Agreement. Accepted and agreed by: /s/ Katherine Ku /s/ Donald G. Payan ---------------------------------- --------------------------- Ms. Katherine Ku; Director, Technology Licensing Dr. Donald G. Payan Stanford University Rigel Pharmaceuticals, Inc. December 6, 1996 November 25, 1996 ----------------------- ---------------------- Date Date [ * ] = 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.