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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THE USE OF ANY IMPROVEMENTS AT ANY TIME MADE AVAILABLE BY INVESTOR BY THE COMPANY, ITS AFFILIATES OR ASSIGNS; OR (C) ANY ADVERTISING OR OTHER PROMOTIONAL ACTIVITIES BY COMPANY ITS AFFILIATES OR ASSIGNS WITH RESPECT TO ANY OF THE FOREGOING, AND COMPANY WILL HOLD INVESTOR, AND ITS OFFICERS, EMPLOYEES AND AGENTS, HARMLESS IN THE EVENT INVESTOR, OR ITS OFFICERS, EMPLOYEES OR AGENTS, IS HELD LIABLE. VII. Litigation 7.00 Investor will notify Company of any suspected infringement of the Patents. Subject to Article 7.01 below, the sole right to institute a suit for infringement of the Patents rests with Company. Investor agrees to reasonably cooperate with Company in such suit for infringement, including requesting Investor's employees or consultants to testify when requested by Company in writing, making available records, papers, information, specimens, and the like, provided and only to the extent such is reasonably necessary to prosecute the suit. For the avoidance of doubt, nothing in this Article 7.00 shall require Investor to join any such suit as a party, and Company shall not seek to join Investor to any such suit as a party absent the express written consent of Investor. Any recovery received pursuant to such suit will first go to Investor to reimburse Investor for any costs and expenses (including attorneys' fees) reasonably incurred by Investor in cooperating with Company in the suit, and any remaining amounts shall be retained by Company. Page 9 of 15 Source: RARE ELEMENT RESOURCES LTD, SC 13D, 10/19/2017 Rare Element Resources Ltd. EXECUTION COPY IP Rights Agreement 7.01 If, after the Option is exercised before the expiration of the Option Period such that the license grants set forth in Articles 3.00 and 3.01 have become exclusive under Article 3.03, Company does not enforce the Patents, through legal action or otherwise, Investor may enforce the Patents and Company agrees to reasonably cooperate with Investor in such suit for infringement, including requesting Company's employees or consultants to testify when requested by Investor in writing, making available records, papers, information, specimens, and the like, provided and only to the extent such is reasonably necessary to prosecute the suit. For the avoidance of doubt, nothing in this Article 7.01 shall require Company to join any such suit as a party, and Investor shall not seek to join Company to any such suit as a party absent the express written consent of Company; provided, however, if Company elects not to give its express written consent to be joined as a party, but joinder is required in order for Investor to file or maintain legal action to enforce any Patents, Company agrees that if requested by Investor, Company will negotiate and enter into an amendment to this IP Agreement to the extent necessary for Investor to file or maintain legal action to enforce the Patents. Any recovery received pursuant to such suit will first go to Company to reimburse Company for any costs and expenses (including attorneys' fees) reasonably incurred by Company in cooperating with Investor in the suit, and any remaining amounts shall be retained by Investor. VIII. Non-assignability 8.00 This IP Agreement imposes personal obligations on Investor. Investor will not assign to any Third Party any rights under this IP Agreement not specifically transferable by its terms without the prior written consent of Company, such consent not to be unreasonably withheld. For the avoidance of doubt and notwithstanding the foregoing: (1) such rights are assignable by Investor to an Affiliate of Investor, and (2) Investor's rights in Investor Improvements and Joint Improvements shall be freely assignable by Investor to any Person. Page 10 of 15 Source: RARE ELEMENT RESOURCES LTD, SC 13D, 10/19/2017 Rare Element Resources Ltd. EXECUTION COPY IP Rights Agreement IX.Severability 9.00 The Parties agree that if any part, term or provision of this IP Agreement is found illegal or in conflict with any valid controlling law, the validity of the remaining provisions will not be affected thereby. 9.01 Should any provision of this IP Agreement be held by a court of law to be illegal, invalid or unenforceable, such provision shall be replaced by such provision as most closely reflects the intent of the invalid provision, and the legality, validity and enforceability of the remaining provisions of this Agreement will not be affected or impaired thereby. X. Waiver, Integration, Alteration 10.00 The waiver of a breach hereunder may be effected only by a writing signed by the waiving Party and will not constitute a waiver of any other breach. 10.01 This IP Agreement,
"""

Extract the exact clause related to "Non-Disparagement" from the excerpt above.

assistant: Not found.