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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Licensed Patents, MacroGenics Licensed Trademarks and Jointly Owned Patents in the Territory, including providing a copy of any correspondence from any governmental authorities to the JSC and Green Cross upon request, and consulting on the strategy and content of submissions to such governmental authorities in advance of any submissions. (iii) Any dispute regarding Patent Prosecution and Trademark Prosecution of MacroGenics Licensed Patents, MacroGenics Licensed Trademarks, or Jointly Owned Patents, shall be resolved by the JSC. (iv) Without limiting the generality of the foregoing, MacroGenics shall prosecute and maintain Jointly Owned Patents using outside counsel acceptable to Green Cross, and shall instruct such counsel to provide copies of correspondence and filings directly to Green Cross and otherwise permit Green Cross to participate with MacroGenics in any of the activities of such counsel with respect to the Patent and Trademark Prosecution of such Jointly Owned Patents. Before taking any material step in the Patent Prosecution or Jointly Owned Patents, MacroGenics and its counsel shall allow Green Cross a reasonable opportunity to comment on the action proposed to be taken, and agrees to incorporate in such filings all reasonable comments of Green Cross. (v) Green Cross acknowledges and understands that its rights and obligations under this Section 15.2 are secondary to and shall be subject to any Third Party rights and obligations under the Upstream Agreements. *** = Portions of this exhibit have been omitted pursuant to a request for confidential treatment. An unredacted version of this exhibit has been filed separately with the Commission. 42 (c) Patent and Trademark Oppositions. The JSC will decide whether and how to participate in Patent and Trademark oppositions and undertake activities intended to invalidate Third Party Patents. 15.3 Costs of Patent and Trademark Prosecution (a) Costs. All out­of­pocket costs for Patent Prosecution and Trademark Prosecution of a Party's solely owned Patent or Trademark and for maintaining a Party's solely owned Patent or Trademark shall be solely incurred by and the sole responsibility of that Party. All out­of­pocket costs for Patent Prosecution of Jointly Owned Patents and for maintaining Jointly Owned Patents in the Territory shall be shared equally by the Parties. The out­of­pocket costs of MacroGenics' participation in Patent and Trademark oppositions, interferences and similar actions, and activities intended to invalidate Third Party Patents and Trademarks in the Territory shall be borne solely by Green Cross. 15.4 Patent and Trademark Prosecution Cooperation. With respect to all Patent Prosecution and Trademark Prosecution related to Patents and Trademarks included in MacroGenics Licensed Patents, MacroGenics Licensed Trademarks or Green Cross Licensed Patents, each Party shall: (a) execute all further instruments to document their respective ownership consistent with this Agreement as reasonably requested by the other Party; (b) make its employees, agents and consultants reasonably available to the other Party (or to the other Party's authorized attorneys, agents or representatives), to the extent reasonably necessary to enable the appropriate Party hereunder to undertake its Patent Prosecution and Trademark Prosecution responsibilities; (c) cooperate, if necessary and appropriate, with the other Party in gaining Patent and Trademark term extensions; provided, however, that any dispute regarding the same shall be submitted to the JSC for resolution; and (d) endeavor in good faith to coordinate its efforts under this Agreement with the other Party to minimize or avoid interference with the Patent Prosecution and Trademark Prosecution of the other Party's Patents and Trademarks. *** = Portions of this exhibit have been omitted pursuant to a request for confidential treatment. An unredacted version of this exhibit has been filed separately with the Commission. 43 15.5 Enforcement (a) Notice. Each Party shall promptly provide, but in no event later than ***, the other with written notice reasonably detailing any known or alleged infringement of any Patent or Trademark owned by the other Party and subject to a license under this Agreement. (b) Enforcement of Intellectual Property Rights (i) The sole owner of a Patent, Trademark, Know-how or Confidential Information shall have the exclusive right to institute and direct legal proceedings against any Third Party believed to be infringing such Patent or Trademark or misappropriating or otherwise violating such Know-how or Confidential Information. Green Cross shall have the initial right to institute and direct legal proceedings against any Third Party believed to be infringing Jointly Owned Patents that claims or covers a Product sold in the Territory. If Green Cross has the right to direct legal proceedings pursuant to this Section 15.5(b)(i) and does not abate such violation of Jointly Owned Patents, including by commencement of a
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Extract the exact clause related to "Joint Ip Ownership" from the excerpt above.

assistant: All out­of­pocket costs for Patent Prosecution of Jointly Owned Patents and for maintaining Jointly Owned Patents in the Territory shall be shared equally by the Parties.