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 10.17 INTELLECTUAL PROPERTY AGREEMENT between THE BABCOCK & WILCOX COMPANY and BABCOCK & WILCOX ENTERPRISES, INC. dated as of June 26, 2015 TABLE OF CONTENTS ARTICLE I DEFINITIONS 1 Section 1.1 Definitions 1 Section 1.2 Interpretation 4 ARTICLE II INTELLECTUAL PROPERTY ASSIGNMENT AND OWNERSHIP 5 Section 2.1 Reserved 5 Section 2.2 Reserved 5 Section 2.3 Assistance by Employees; Inventor Compensation 5 Section 2.4 Ownership 6 Section 2.5 Rights Arising in the Future 6 Section 2.6 Abandonment of Certain Intellectual Property 7 Section 2.7 Reserved 7 Section 2.8 Steam/Its Generation and Use 7 ARTICLE III TRADEMARKS 8 Section 3.1 House Marks 8 Section 3.2 Limited License to Use SpinCo House Marks 9 Section 3.3 Removal of Classes from SpinCo Marks 10 Section 3.4 RemainCo Marks 10 Section 3.5 Duty to Avoid Confusion 10 ARTICLE IV SHARED LIBRARY MATERIALS 11 Section 4.1 Shared Library Materials 11 Section 4.2 Cross-License of Shared Library Materials 11 Section 4.3 Maintenance of Shared Library Materials 11 Section 4.4 Potential Allocation of Shared Library Materials 12 Section 4.5 Confidentiality and Trade Secret Status of Shared Library Materials 13 Section 4.6 Third Party Materials Contained in the Shared Library Materials 13 ARTICLE V INTELLECTUAL PROPERTY LICENSES AND COVENANTS 13 Section 5.1 Cross-License of Shared Know-How 13 Section 5.2 Reserved 14 Section 5.3 Reserved 14 i Section 5.4 Cross-Licenses of Software 14 Section 5.5 Reserved 15 Section 5.6 Sublicensing; Assignability 15 Section 5.7 Restrictions on Licensor Exploitation of Intellectual Property 16 Section 5.8 Third Party Agreements; Reservation of Rights 16 Section 5.9 Maintenance of Intellectual Property 16 Section 5.10 Covenants 17 ARTICLE VI TECHNICAL ASSISTANCE AND TECHNOLOGY TRANSFER 17 Section 6.1 Reserved 17 Section 6.2 Reserved 17 Section 6.3 No Additional Technical Assistance 17 ARTICLE VII NO WARRANTIES 18 ARTICLE VIII THIRD-PARTY INFRINGEMENT 18 Section 8.1 No Obligation 18 Section 8.2 Notice Regarding Infringement 19 Section 8.3 Suits for Infringement 19 ARTICLE IX CONFIDENTIALITY 21 ARTICLE X MISCELLANEOUS 22 Section 10.1 Authority 22 Section 10.2 Entire Agreement 22 Section 10.3 Binding Effect; Third-Party Beneficiaries; Assignment 23 Section 10.4 Amendment 23 Section 10.5 Failure or Indulgence Not Waiver; Remedies Cumulative 23 Section 10.6 Notices 23 Section 10.7 Counterparts 23 Section 10.8 Severability 23 Section 10.9 Governing Law 24 Section 10.10 Construction 24 Section 10.11 Performance 24 SCHEDULES Schedule 1.1(e) SpinCo Core Field; RemainCo Core Field Schedule 1.1(i) Specific RemainCo Field; Specific SpinCo Field Schedule 1.1(o) SpinCo House Marks Schedule 1.1(p) RemainCo House Marks ii Schedule 2.4(a) RemainCo Ownership Schedule 2.4(b) SpinCo Ownership Schedule 2.6 Abandonment of Certain Intellectual Property Schedule 3.1 SpinCo Trademarks Schedule 3.3 Required Actions and Filings Schedule 3.4 RemainCo Trademarks Schedule 4.1 Shared Library Materials Schedule 4.4 Nuclear Design Materials Schedule 5.4(a) Foundational Software iii INTELLECTUAL PROPERTY AGREEMENT This INTELLECTUAL PROPERTY AGREEMENT (this "Agreement") is entered into as of June 26, 2015 (the "Effective Date"), between The Babcock & Wilcox Company, a Delaware corporation, ("RemainCo") and Babcock & Wilcox Enterprises, Inc., a Delaware corporation ("SpinCo"). RemainCo and SpinCo are sometimes referred to herein individually as a "Party," and collectively as the "Parties." Capitalized terms used herein and not otherwise defined shall have the meanings ascribed to such terms in Article 1 hereof. RECITALS WHEREAS, SpinCo is a wholly owned Subsidiary of RemainCo; WHEREAS, the Board of Directors of RemainCo has determined that it would be appropriate and in the best interests of RemainCo and its stockholders for RemainCo to separate the SpinCo Business from the RemainCo Business; WHEREAS, in order to effectuate the foregoing, RemainCo and SpinCo have entered into a Master Separation Agreement, dated as of June 8, 2015 (the "Master Separation Agreement"), which provides, among other things, upon the terms and subject to the conditions thereof, for the separation of the respective businesses of SpinCo and RemainCo and the Distribution, and the execution and delivery of certain other agreements, including this Agreement, in order to facilitate and provide for the foregoing; WHEREAS, it is the intent of the Parties, in order to facilitate the foregoing separation, in anticipation of the Distribution and in accordance with the Master Separation Agreement, that RemainCo convey to SpinCo certain Intellectual Property rights and licenses subject to the terms and conditions set forth in this Agreement; and WHEREAS, it is the intent of the Parties, in order to facilitate the foregoing separation, in anticipation of the Distribution and in accordance with the Master Separation Agreement, that SpinCo convey to RemainCo certain Intellectual Property rights and licenses subject to the terms and conditions set forth in this Agreement; NOW, THEREFORE,
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Extract the exact clause related to "Ip Ownership Assignment" from the excerpt above.