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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a specific time of day in this Agreement shall be based upon Eastern Standard Time or Eastern Daylight Savings Time, as applicable, on the date in question; (i) whenever this Agreement refers to a number of days, such number shall refer to calendar days unless Business Days are specified; (j) reference to any Article, Section or Schedule means such Article or Section of, or such Schedule to, this Agreement, as the case may be, and references in any Section or definition to any clause means such clause of such Section or definition; (k) the words "this Agreement," "herein," "hereunder," "hereof," "hereto" and words of similar import shall be deemed references to this Agreement as a whole and not to any particular Section or other provision of this Agreement; (l) the term "commercially reasonable efforts" means efforts which are commercially reasonable to enable a Party, directly or indirectly, to satisfy a condition to or otherwise assist in the consummation of a desired result and which do not require the performing Party to expend funds or assume Liabilities other than expenditures and Liabilities which are customary and reasonable in nature and amount in the context of a series of related transactions similar to the Separation; 4 (m) reference to any agreement, instrument or other document means such agreement, instrument or other document as amended, supplemented and modified from time to time to the extent permitted by the provisions thereof and by this Agreement; (n) reference to any Law (including statutes and ordinances) means such Law (including any and all rules and regulations promulgated thereunder) as amended, modified, codified or reenacted, in whole or in part, and in effect at the time of determining compliance or applicability; (o) references to any Person include such Person's successors and assigns but, if applicable, only if such successors and assigns are permitted by this Agreement; a reference to such Person's "Affiliates" shall be deemed to mean such Person's Affiliates following the Distribution and any reference to a Third Party shall be deemed to mean a Person who is not a Party or an Affiliate of a Party; (p) if there is any conflict between the provisions of the main body of this Agreement and the Schedules hereto, the provisions of the main body of this Agreement shall control unless explicitly stated otherwise in such Schedule; (q) the titles to Articles and headings of Sections contained in this Agreement, in any Schedule and in the table of contents to this Agreement have been inserted for convenience of reference only and shall not be deemed to be a part of or to affect the meaning or interpretation of this Agreement; and (r) any portion of this Agreement obligating a Party to take any action or refrain from taking any action, as the case may be, shall mean that such Party shall also be obligated to cause its relevant Subsidiaries and Affiliates to take such action or refrain from taking such action, as the case may be. ARTICLE II INTELLECTUAL PROPERTY ASSIGNMENT AND OWNERSHIP Section 2.1 Reserved. Section 2.2 Reserved. Section 2.3 Assistance by Employees; Inventor Compensation. Each Party agrees that it shall make available to the other Party the services of its employees and contractors reasonably necessary to assist the other Party with the prosecution of, and other patent or trademark office proceedings (e.g., reissue, reexamination, interference, inter partes review, post-grant review, supplemental examination, and other similar proceedings) regarding the other Party's Patents, Trademarks and other Intellectual Property (collectively, "IP Proceedings"). Each Party agrees to reasonably make available to the other Party (i) inventors and other reasonably necessary persons employed by it for the other Party's reasonable needs regarding execution of documents, interviews, declarations and testimony, and (ii) documents, materials and information for the other Party's reasonable good faith needs regarding such IP Proceedings. The Party involved in the IP Proceedings shall be responsible for the actual and reasonable out-of-pocket expenses 5 associated with such assistance, expressly excluding the value of the time of the other Party's personnel. Each Party will be responsible for providing inventor incentive compensation to its employees under its own internal policies. No Party shall have any obligation to provide any inventor incentive compensation to an employee of the other Party except as required by law. Section 2.4 Ownership. (a) SpinCo expressly acknowledges that, as between RemainCo and SpinCo (and any other member of the SpinCo Group), as of the Distribution Time and after effectuating all Prior Transfers and all assignments contemplated in the
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Extract the exact clause related to "Ip Ownership Assignment" from the excerpt above.