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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acknowledges and agrees that the payment of Fees and a Bonus (if any), as referenced in Section 5 of this Agreement, shall be the full consideration to Developer for the assignment of rights herein. Upon payment in full of all obligations hereunder, Developer unconditionally and irrevocably grants to Client all software, improvements, code and other work produce produced by the Developer during the course of this agreement. The code shall be the sole and exclusive property of the Client. 6.2 DEVELOPER'S INTELLECTUAL PROPERTY Notwithstanding the provisions of Section 6.1 of this Agreement, the Par acknowledge and agree that: (a) Developer may use its proprietary information software (collectively, Developer Technology) in providing Services, and Deliverables, to Client; and (b) Developer shall retain full ownership over its Developer Technology. If Developer uses any of its Developer Technology in any of the Works, Client will: (i) not acquire any proprietary or ownership rights to any of Developer Technology by virtue of this Agreement; and (ii) agree not to market or use any Developer Technology as an independent "stand-alone" program without the prior written consent of Developer. 6.3 LICENSE TO CLIENT'S INTELLECTUAL PROPERTY To assist Developer to complete all Project-related Services and deliverable Deliverables to Client in a complete and timely manner, Client shall provide Developer access and licensed rights to the following as necessary to complete the Project: (a) text, software, graphics, photos, sounds, music, videos, designs, compilations, magnetic translations, digital conversion interactive features and the like (collectively, the Content); (b) any trademarks, service marks, trade dress and logos, whether owned or licensed by Client (collectively, the Marks); and (c) any know-how, methodologies, equipment, or processes used by Client in its operations {collectively, the Procedures); and (d) Client's Confidential Information (as defined below). As such, Client hereby grants Developer a royalty-free, worldwide, license to use its Content, Marks, Procedures and Confidential Information in order to complete the Project. Client hereby acknowledge and agrees that Client waives all moral rights to be identified as the author on any and all material or content identified under this subsection of this Agreement. 17 Source: PELICAN DELIVERS, INC., S-1, 2/11/2020 6.4 CONFIDENTIALITY AND NON-DISCLOSURE 6.4.1 Confidential Information. Each Party acknowledges and agrees that it will receive confidential information and trade secrets from the other Party in otherwise carrying out the actions contemplated by this Agreement (collective, Confidential Information). Confidential Information does not include information at: (a) is available to the public or that becomes available to the public through no act or failure to act by the receiving Party (Receiving Party); (b) is known to the Receiving Party prior to the date of disclosure by the disclosing Party (Disclosing Party), unless the Receiving Party agreed to keep such information in confidence at the time of receipt of the information; (c) is properly obtained hereafter from a source that is not under an obligation of confidentiality with respect to such information; or (d) is developed independently by the Receiving Party without reference to or use of the Disclosing Party's Confidential Information. 6.4.2 Non-Disclosure. Neither Party shall use or disclose Confidential Information of the other Party to any third party, without the written consent of the Disclosing Party of such Confidential Information. Receiving Party agrees to undertake reasonable measures to maintain and preserve the Confidential Information of the Disclosing Party in confidence, which measures shall be no less than the measures taken by the Receiving Party to protect its own confidential information and in no vent shall be less than reasonable care. Upon expiration or termination of this Agreement, Receiving Party will immediately destroy or erase all copies of documents or materials containing any Confidential Information provided by Disclosing Party and, upon the Disclosing Party's request, promptly confirm destruction of same by signing and returning to the Disclosing Party a certificate of destruction reasonably satisfactory to the Disclosing Party. 6.4.3 Derivatives. All Confidential Information, and any Derivatives thereof whether created by Client or Developer, remain the property of the Disclosing Party and no license or other rights to any Confidential Information or Derivatives is granted or implied hereby. For purposes of this Agreement, Derivatives shall mean: (a) for copyrightable or copyrighted material, any translation, abridgment, revision or other form in which an existing work may be recast, transformed or adapted ;(b) for patentable or patented material, any improvement thereon; and (c) for material which is protected by trade secret, any new material derived from such existing trade secret material, including new material which may be protected under applicable copyright,
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Extract the exact clause related to "Ip Ownership Assignment" from the excerpt above.

assistant: Upon payment in full of all obligations hereunder, Developer unconditionally and irrevocably grants to Client all software, improvements, code and other work produce produced by the Developer during the course of this agreement.