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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Exhibit 10.5 INTELLECTUAL PROPERTY AGREEMENT This INTELLECTUAL PROPERTY AGREEMENT, dated as of May 14, 2016 (this "Agreement"), is by and between WestRock Company, a Delaware corporation ("Parent"), and Ingevity Corporation, a Delaware corporation ("SpinCo"). Capitalized terms used herein and not otherwise defined shall have the respective meanings assigned to them in Section 1 or the Separation Agreement. SpinCo and Parent may be individually referred to herein as a "Party" and collectively as the "Parties". R E C I T A L S WHEREAS, Parent and SpinCo have entered into that certain Separation and Distribution Agreement, dated as of even date herewith, (the "Separation Agreement"); WHEREAS, the Separation Agreement sets forth the principal corporate transactions required to effect the Separation; WHEREAS, Parent and SpinCo desire to enter into this Agreement to set forth the terms and conditions pertaining to the allocation of ownership and other rights associated with certain Intellectual Property; and WHEREAS, this Agreement is deemed to be an Ancillary Agreement under the Separation Agreement. NOW, THEREFORE, in consideration of the mutual agreements, provisions and covenants contained in this Agreement, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Parties, intending to be legally bound, hereby agree as follows: 1. DEFINITIONS. For the purpose of this Agreement, the following terms shall have the following meanings: 1.1 "Mill Recovery Technology/Intellectual Property" shall mean all Technology, Software and Intellectual Property directed to mill-based recovery processes that generate biorefinery materials. 1.2 "Common Information" shall mean that Information that is related to, but not dedicated to, the SpinCo Assets, the SpinCo Liabilities, the SpinCo Business or the Transferred Entities. 1.3 "Control" or "Controlled" means, with respect to Intellectual Property, that SpinCo or a member of the SpinCo Group owns such Intellectual Property, in whole or in part, and/or has the right to grant a license to Parent with respect to such Intellectual Property as set forth herein and without incurring any financial or other obligations to any other Person, subject, in each case, to the terms of any license or other agreement to which SpinCo or any of the SpinCo Group is a party that relates to any such Intellectual Property. 1.4 "Improvements" means any improvements, derivative works, enhancements, refinements, advances or other modifications with respect to any Licensed SpinCo IP (whether or not patentable or reduced to practice). 1.5 "Intellectual Property" shall mean all of the following whether arising under the Laws of the United States or of any other foreign or multinational jurisdiction: (a) patents, patent applications (including patents issued thereon) and statutory invention registrations, including reissues, divisions, continuations, continuations in part, substitutions, renewals, extensions and reexaminations of any of the foregoing, and all rights in any of the foregoing provided by international treaties or conventions, (b) trademarks, service marks, trade names, service names, trade dress, logos and other source or business identifiers, including all goodwill associated with any of the foregoing, and any and all common law rights in and to any of the foregoing, registrations and applications for registration of any of the foregoing, all rights in and to any of the foregoing provided by international treaties or conventions, and all reissues, extensions and renewals of any of the foregoing, (c) Internet domain names, accounts with Facebook, LinkedIn, Twitter and similar social media platforms, registrations and related rights, (d) copyrightable works, copyrights, moral rights, mask work rights, database rights and design rights, in each case, other than Software, whether or not registered, and all registrations and applications for registration of any of the foregoing, and all rights in and to any of the foregoing provided by international treaties or conventions, (e) confidential and proprietary information, including trade secrets, invention disclosures, processes and know-how and (f) any other intellectual property rights, in each case, other than Software. The items listed in subsections (b) and (c) of this Section 1.5 are referred to herein as "Trademark-Related IP". 1.6 "Licensed SpinCo IP" means (i) the SpinCo Intellectual Property (excluding Trademark-Related IP), the SpinCo Software, and the SpinCo Technology, and (ii) all rights, interests and claims of either Party or any of the members of its Group as of the Effective Time with respect to Information that is exclusively related to the items of the aforementioned clause (i), in each case subject to the limitations set forth herein, and to the extent Controlled by SpinCo or any member of the SpinCo Group as of the Effective Time (including as a result of the assignments made by
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Extract the exact clause related to "Post-Termination Services" from the excerpt above.