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:
"""
or sublicensees) shall disclose such Intellectual Property Rights to the third party. 3.1.3 Sublicense of Licensed Intellectual Property Rights. A Licensee Party or another member of the Licensee Group may sublicense its rights in Licensed Intellectual Property Rights hereunder, solely in support of its respective businesses (and not independent of its current or future products and related services). In all cases in which the exercise of sublicense rights hereunder reasonably requires disclosure of Licensed Intellectual Property Rights to a third party, the applicable member of the Licensee Group will disclose such Licensed Intellectual Property Rights (a) solely on a "need to know" basis, (b) provided that the Person to receive Licensed Intellectual Property Rights first agrees in writing to terms of confidentiality and non-use at least as restrictive as those provided in this Agreement, and (c) provided that the Licensee Party ensures the performance of, and accepts joint and several responsibility for the performance by each of the sublicensees of, the obligations of the Licensee Party and the other members of the Licensee Group under this Agreement. 3.1.4 Improvements. Each of the licenses granted in Section 3.1.1, subject to the restrictions of Section 3.1.2 and Section 3.1.3, includes the right of a Licensee Party and other members of the Licensee Group to make improvements to such Licensed Intellectual Property Rights. Neither a Licensor Party nor any member of the Licensor Group will have any rights to any such improvements, and as between a Licensee Party and a Licensor Party, the Licensee Party or applicable member of the Licensee Group will own all such improvements made by the Licensee Party or such member of the Licensee Group to Licensed Intellectual Property Rights. 3.1.5 No Implied Licenses. To the extent Intellectual Property Rights of a Party or member of a Party Group are not expressly granted in this Agreement, they are hereby expressly reserved to the Party or member of the Party Group. Without limiting the generality of the immediately preceding sentence, no express grant by a Licensor Party in this Agreement of 9 license rights in certain Intellectual Property Rights shall be construed as implying the grant of any rights by the Licensor Party or another member of the Licensor Group in any other Intellectual Property Rights held by the Licensor Party or another member of the Licensor Group. 3.2 Reserved Intellectual Property Rights. Specific reservations shall apply to certain Intellectual Property Rights as set forth in Schedule 3.2. 3.3 No Rescission. The provisions of this Agreement, including the license rights provided in this Article III, shall not be terminable or revocable for any reason. In the event of any breach of this Agreement, the sole remedy of the non-breaching Party will be to seek monetary damages or equitable relief, including specific performance, as provided in Article VII, that does not involve a rescission or termination of any of the provisions of this Agreement (including the license rights provided in this Article III), and each Party irrevocably waives the right to seek any termination or rescission of any such provisions or rights. ARTICLE IV TRADEMARKS 4.1 Ownership of United Technologies Trademarks. 4.1.1 Notwithstanding any other provision of this Agreement to the contrary, as between UTC, on the one hand, and Otis, Carrier and other members of the Otis Group and the Carrier Group, on the other, all rights in and to the United Technologies Trademarks, including all goodwill appurtenant thereto, are owned and shall be owned solely and exclusively by UTC. Without limiting the foregoing, and subject to Section 4.2, Otis and Carrier, on behalf of themselves and the other members of, respectively, the Otis Group and the Carrier Group, hereby irrevocably assign to UTC, and agree and promise to assign to UTC, (a) any and all rights, title and interest in and to the United Technologies Trademarks, including all goodwill appurtenant thereto held by them and the other members of the Otis Group and the Carrier Group, and (b) any and all registrations and applications for registration of Trademarks consisting of or containing any of the United Technologies Trademarks, anywhere in the world, to which Otis, Carrier or another member of the Otis Group or the Carrier Group holds a legal or equitable interest as of the Effective Time. Without limitation, the foregoing assignment and promise of assignment includes the right to sue and recover damages for past and future infringements of the United Technologies Trademarks and to bring any proceeding in the United States Patent and Trademark Office or
"""

Extract the exact clause related to "Affiliate License-Licensor" from the excerpt above.

assistant: Without limiting the foregoing, and subject to Section 4.2, Otis and Carrier, on behalf of themselves and the other members of, respectively, the Otis Group and the Carrier Group, hereby irrevocably assign to UTC, and agree and promise to assign to UTC, (a) any and all rights, title and interest in and to the United Technologies Trademarks, including all goodwill appurtenant thereto held by them and the other members of the Otis Group and the Carrier Group, and (b) any and all registrations and applications for registration of Trademarks consisting of or containing any of the United Technologies Trademarks, anywhere in the world, to which Otis, Carrier or another member of the Otis Group or the Carrier Group holds a legal or equitable interest as of the Effective Time.