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:
"""
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 lawsuit against the accused person if necessary, within *** after receiving notice of such infringement of Jointly Owned Patents and immediately after notice of other violation of such Jointly Owned Patents, then MacroGenics shall be entitled (but shall not be obligated) to take all actions reasonably necessary to abate such violation in the Territory, including commencement of a lawsuit against the accused Third Party if necessary. (ii) MacroGenics 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 outside the Territory. If MacroGenics does not abate such violation of Jointly Owned Patents, including by commencement of a lawsuit against the accused person if necessary, within *** after receiving notice of such infringement of Jointly Owned Patents and immediately after notice of other violation of such Jointly Owned Patents, then Green Cross shall be entitled (but shall not be obligated) to take all actions reasonably necessary to abate such violation in the Territory, including commencement of a lawsuit against the accused Third Party if necessary. (iii) All amounts recovered from enforcement of any such rights by either Party in the Territory relating to the intellectual property licensed under this Agreement shall be first used to reimburse each Party's costs and expenses incurred in connection with such action, and any remainder of such recovery, other than amounts recovered as lost profits, shall be retained by the Party instituting the action, provided that any remainder retained by Green Cross shall be treated as Net Sales and shall be subject to Green Cross' royalty payment obligations at the applicable rate specified in Section 8.5. For amounts recovered as lost profits the amount of Net Sales represented by such lost profits and Green Cross shall be obligated to pay MacroGenics any amounts due under this Agreement if such projected Net Sales were actually made by Green Cross. All amounts recovered from *** = 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. 44 enforcement of any such rights by either Party outside the Territory relating to Jointly Owned Patents shall be first used to reimburse each Party's costs and expenses incurred in connection with such action, and any remainder of such recovery, shall be retained by the Party instituting the action. (c) Cooperation in Enforcement Proceedings. For any action by a Party pursuant to subsection (b) above, in the event that such Party is unable to initiate or prosecute such action solely in its own name, the other Party will join such action voluntarily and will execute all documents necessary for such Party to initiate, prosecute and maintain such action. If either Green Cross or MacroGenics initiates an enforcement action pursuant to Section 15.5(b), then the other Party shall cooperate to the extent reasonably necessary and at the first Parties' sole expense (except for the expenses of the non­controlling Party's counsel, if any). Upon the reasonable request of the Party instituting any such action, such other Party shall join the suit and can be represented in any such legal proceedings using counsel of its own choice. Each Party shall assert and not waive the joint defense privilege with respect to all communications between the Parties reasonably the subject thereof. (d) Status; Settlement. The Parties shall keep each other informed of the status of and of their respective activities regarding any enforcement action pursuant to Section 15.5(b). Neither Party shall settle any litigation or legal proceeding in the Territory
"""

Extract the exact clause related to "Joint Ip Ownership" from the excerpt above.

assistant: All amounts recovered from