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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upon Company's earlier request, Consultant will deliver to Company all Confidential Information and Company's property relating thereto and all tangible embodiments thereof, in Consultant's possession or control. 3. Ownership. Consultant hereby irrevocably assigns to Company all right, title and interest in and to any information (including, without limitation, business plans and/or business information), technology, know-how, materials, notes, records, designs, ideas, inventions, improvements, devices, developments, discoveries, compositions, trade secrets, processes, methods and/or techniques, whether or not patentable or copyrightable, that are conceived, reduced to practice or made by Consultant alone or jointly with others in the course of performing the Services or through the use of Confidential Information (collectively, 111nventions"). Consultant agrees to sign, execute and acknowledge or cause to be signed, executed and acknowledged without cost, but at the expense of Company, any and all documents and to perform such acts as my be necessary, useful or convenient for the purposes of perfecting the foregoing assignments and obtaining, enforcing and defending intellectual property rights in any and all countries with respect to Inventions. It is understood and agreed that Company or Company's designee shall have the sole right, but not the obligation, to prepare, file, prosecute and maintain patent applications and patents worldwide with respect to Inventions. Upon the termination of this Agreement, or upon Company's earlier requests, Consultant will deliver to Company all property relating to, and all tangible embodiments of, Inventions in Consultant's possession or control. Consultant agrees that if, in the course of performing the Services, Consultant incorporates into any Invention developed hereunder any invention, improvement, development concept, discovery or other proprietary subject matter owned by Consultant or in which Consultant has an interest ("Item"), Consultant will inform Company in writing thereof, and Company is hereby granted and shall have a non-exclusive, royalty-free, perpetual, irrevocable, worldwide license to make, have made, modify, reproduce, display, use and sell such Item as part of or in connection with the exploitation of such Invention. Consultant agrees that if Company is unable because of Consultant's unavailability, mental or physical incapacity, or for any other reason, to secure Consultant's signature to apply for or to pursue any application or registration for any intellectual property rights covering any Invention, then Consultant hereby irrevocably designates and appoints Company and its duly authorized officers and agents as Consultant's agent and attorney-in-fact, to act for and in Consultant's behalf 844.KEY.CURE | www.kiromic.com PAGE 2 to execute and file any such applications and to do all other lawfully permitted acts to further the prosecution and issuance of such intellectual property rights thereon with the same legal force and effect as if executed by Consultant. 4. Reports. Consultant agrees, from time to time during the term of this Agreement, to keep Company advised as to Consultant's progress in performing the Services and, as reasonably requested by Company, prepare written reports with respect thereto. It is understood that the time required in the preparation of such written reports shall be considered time devoted to the performance of the Services by Consultant. All such reports prepared by Consultant shall be the sole property of Company. 5. Term and Termination. This Agreement will commence on the Effective Date and will continue until termination as provided below. Either Consultant or Company may terminate this Agreement upon prior written notice thereof to the other party. Upon termination of this Agreement, all rights and duties of the parties hereunder shall cease except: Company shall be obliged to pay, within thirty (30) days after receipt of Consultant's final statement, all amounts owing to Consultant for unpaid Services completed by Consultant and related expenses, if any, in accordance with the provisions of Section 1 hereof, and Sections 2, 3, S(c), 6, 7, 8 and 10 shall survive termination of this Agreement. 6. Independent Contractor. Nothing in this Agreement shall in any way be construed to constitute Consultant as an agent, employee or representative of Company, but Consultant shall perform the Services as an independent contractor. Consultant acknowledges and agrees that Consultant is obligated to report as income all compensation received by Consultant pursuant to this Agreement. 7. No Debarment. Consultant represents and warrants that Consultant has not been debarred under Section (a) or (b) of 21 U.S.C. Section 335a and does not appear on the United States Food and Drug debarment list. Consultant represents and warrants that Consultant has not committed any crime or conduct that could result in such debarment or Consultant's exclusion from any governmental healthcare program. Consultant represents and warrants that, to Consultant's
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Extract the exact clause related to "Expiration Date" from the excerpt above.

assistant: This Agreement will commence on the Effective Date and will continue until termination as provided below.