system: You are a contract-analysis assistant performing a span-extraction task. You are given an excerpt from a commercial contract and the name of a clause type to locate within it.

Return the exact text of the requested clause, copied verbatim from the excerpt — identical wording and punctuation, with no paraphrasing, summarising, explanation, or added commentary.

The excerpt is one window of a much longer contract and often will not contain the requested clause. If the requested clause does not appear in this excerpt, respond with exactly: Not found.

Output only the extracted clause text, or the exact string `Not found.` — nothing else.

user: Contract excerpt:
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Agreement, dated as of November 10, 2015 (such agreement, as subsequently amended, the "PFM Agreement") pursuant to which Array and PFM are collaborating on the Development of Products in the U.S. and Europe. Under the PFM Agreement, Array is authorized to provide Ono with access to data, know-how and improvements generated by PFM and a right of reference with respect to PFM's Regulatory Filings provided that Ono consents to Array granting to PFM reciprocal access to data, know-how, rights of reference and improvements generated by Ono. Such access and rights of reference shall be granted to Ono without charge, provided that the reciprocal rights of access and rights of reference granted by Ono are without charge. (b) If after the Effective Date, Array retains a Third Party Partner for the Product in one or more countries in the Array Territory, Array shall use Diligent Efforts to gain such Third Party Partner's consent to allow Array to (i) share with Ono under Section 4.7 (Exchange of Data and Know-How) the clinical data and know-how generated by such Third Party Partner, (ii) extend to Ono under Section 4.8 (Rights of Reference and Access to Data) a right to reference the Regulatory Filings of such Third Party Partner with respect to Products, and (iii) extend to Ono a license under improvements made by such Third Party Partner, in each case: (A) to the extent that such data, know-how, rights of reference and improvements are necessary or reasonably useful for Ono's Development, preparation of MAAs and filing of MAAs with respect to Products in the Ono Territory or Commercialization of the Product in the Ono Territory and (B) without charge, however it is understood that a failure of Array to obtain such rights shall not be deemed a breach of this Section 2.4. Notwithstanding any other provisions of this Agreement, Array agrees that it shall not provide such future Third Party Partner with access to Data and Improvements generated by Ono or a right of reference with respect to Ono's Regulatory Filings except to the extent such Third Party Partner agrees to Ono with reciprocal access to data, know-how, rights of reference and improvements generated by such Third Party Partner. It is further agreed that to the extent that such future Third Party Partner conditions Ono's access to such data, know-how, rights of reference and improvements on payment from Ono, Ono may require that Array conditions such future Third Party Partner's access to Ono's data, know-how, rights of reference and improvements on receipt of similar payment. 2.5 Activities Outside the Respective Territory. (a) To the extent permitted under applicable Law, Ono agrees that neither it, nor any of its Affiliates, will sell or provide the Product to any Third Party, if Ono or its relevant Affiliate knows, or has reason to know, that Products sold or provided to such Third Party may be sold or transferred, directly or indirectly, for use in the Array Territory. 18 [ * ] = 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 24b-2 of the Securities Exchange Act of 1934, as amended. (b) To the extent permitted under applicable Law, Array agrees that neither it, nor any of its Affiliates, will sell or provide the Product to any Third Party, if Array or its relevant Affiliate knows, or has reason to know, that Products sold or provided to such Third Party may be sold or transferred, directly or indirectly, for use in the Ono Territory. 2.6 Grant-Back License to Array. Ono hereby grants to Array a non-exclusive, worldwide, royalty free license, with the right to issue and authorize sublicenses through multiple tiers subject to the last sentence of Section 2.4(b), under any Improvements and Ono's interest in Joint Patent and Joint Know-How solely to make, use, sell, offer for sale, import, the Products (collectively, the "Grant-Back License"), subject to the exclusive rights granted to Ono under this Agreement. Promptly following the execution of a sublicense to a Third Party Partner, Array shall notify Ono of such sublicense in writing. 2.7 No Other Rights. Except for the rights and licenses expressly granted in this Agreement, each Party retains all rights under its intellectual property, and no additional rights shall be deemed granted to the other Party by implication, estoppel or otherwise. For clarity, the licenses and rights granted in this Agreement shall not be construed to convey any licenses or rights under
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Extract the exact clause related to "License Grant" from the excerpt above.

assistant: Ono hereby grants to Array a non-exclusive, worldwide, royalty free license, with the right to issue and authorize sublicenses through multiple tiers subject to the last sentence of Section 2.4(b), under any Improvements and Ono's interest in Joint Patent and Joint Know-How solely to make, use, sell, offer for sale, import, the Products (collectively, the "Grant-Back License"), subject to the exclusive rights granted to Ono under this Agreement.