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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in the following order: (A) to reimburse the Enforcing Party for any costs and expenses incurred by or on behalf of the Enforcing Party and/or its designee(s) with respect to such IP Action, (B) to reimburse the Non-Enforcing Party for any costs and expenses incurred by such Party with respect to such IP Action to the extent the Non-Enforcing Party participated in an IP Action pursuant to this Section 3.6 (and has not already been reimbursed by the Enforcing Party), including if it joins such IP Action (but excluding, for the avoidance of doubt, the cost of any counsel employed by the Non-Enforcing Party), and (C) the remainder shall be allocated to the Enforcing Party. (d) Settlement of Enforcement IP Action. The Enforcing Party shall not settle, or enter into a voluntary consent judgment with respect to, any enforcement IP Action under this Section 3.6 in a manner that would include any admissions of invalidity or unenforceability against the Non-Enforcing Party, or wrongdoing by the Non-Enforcing Party or any of its Group, or imposes any liability or payment or other obligation on the Non-Enforcing Party or any of its Group, without the Non-Enforcing Party's written consent (such consent not to be unreasonably withheld, conditioned or delayed) and in any event, without notifying the Non-Enforcing Party of any such proposed settlement or voluntary consent judgment. For the avoidance of doubt, and without limiting the foregoing, as between the Parties, the Enforcing Party shall have the sole and exclusive right to settle, or enter into a voluntary consent judgment with respect to, any enforcement IP Action under this Section 3.6. For the avoidance of doubt, Parent shall not settle or enter into a voluntary consent judgment or enter into any other agreement that shall in any way impair the rights of SpinCo with respect to its Intellectual Property outside the Parent Field without SpinCo's consent, which may be withheld in its sole option. 3.7 Bankruptcy. In the event that this Agreement is terminated or rejected by SpinCo, a member of the SpinCo Group or its receiver or trustee under applicable bankruptcy laws due to such Party's bankruptcy, then all rights and licenses granted under or pursuant to this Agreement by SpinCo to Parent are, and shall otherwise be deemed to be, for purposes of Section 365(n) of the U.S. Bankruptcy Code (the "Code") and any similar laws in any other country, licenses of rights to "intellectual property" as defined under the Code for purposes of Section 365(n). The Parties agree that all intellectual property rights licensed hereunder, including, without limitation, any patents or patent applications in any country of SpinCo or a member of SpinCo Group covered by the license grants under this Agreement, are part of the "intellectual property" as defined under the Code for purposes of Section 365(n) subject to the protections afforded the non-terminating Party under Section 365(n) of the Code, and any similar law or regulation in any other country. 3.8 Trademark Disclaimer. Neither Parent nor SpinCo nor any member of the Parent Group or SpinCo Group grants any right or license to the other to use any Parent Name or Parent Mark or SpinCo Name or SpinCo Mark in any manner including, without limitation, use in commerce as a trade name, trademark or other designation of origin. Notwithstanding the foregoing, it is understood that signage, letterhead, invoices, business cards, promotional materials and similar items may reference the Parent Name or Parent Mark "MeadWestvaco" and "MWV" in the same manner as used by SpinCo prior to the Effective Time, during a twelve-month phase out period as SpinCo replaces such Parent Name and Parent Mark with the SpinCo Name and SpinCo Mark. -12- 4. MUTUAL RELEASES; INDEMNIFICATION 4.1 Release of Pre-Distribution Claims. (a) SpinCo Release of Parent. Except as provided in Sections 4.1(c) and 4.1(d), effective as of the Effective Time, SpinCo does hereby, for itself and each other member of the SpinCo Group, and their respective successors and assigns, and, to the extent permitted by Law, all Persons who at any time prior to the Effective Time have been shareholders, directors, officers, agents or employees of any member of the SpinCo Group (in each case, in their respective capacities as such), remise, release and forever discharge (i) Parent and the members of the Parent Group, and their respective successors and assigns, and (ii) all Persons who at any time prior to the Effective Time are or have been shareholders, directors, officers, agents or employees of any member of
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Extract the exact clause related to "Joint Ip Ownership" from the excerpt above.