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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agreement; (ii) NETTAXI is technically unable to co-brand; or (iii) are commercially unreasonable, in NETTAXI's discretion, to co-brand. 2.3 Marketing by SpinRecords.com. Throughout the term of this ------------------------------ Agreement, SpinRecords.com shall use reasonable commercial efforts to market the NETTAXI Brand Features in order to maximize the number of visitors to the NETTAXI Pages in accordance with the Statement of Work. The parties shall review the Statement of Work and NETTAXI's marketing activities on a quarterly basis in order to assess the performance and agree upon additional activities, if necessary, in order to increase usage of the pages. 2.4 Marketing by NETTAXI. Throughout the term of this Agreement, ----------------------- NETTAXI shall use reasonable commercial efforts to market the SpinRecords.com Brand Features in order to maximize the number of visitors to the SpinRecords.com Pages in accordance with the Statement of Work. The parties shall review the Statement of Work and Spinrecords.com's marketing activities on a quarterly basis in order to assess the performance and agree upon additional activities, if necessary, in order to increase usage of the pages. 2.5 Additional Statements of Work. If the parties hereto desire to -------------------------------- engage each other for additional services which are not included in the Statement of Work and which do not constitute merely a revision or modification of the Statement of Work, the parties shall in good faith negotiate additional Statements of Work, each of which upon signing shall be deemed a part of this Agreement. Additional Statements of Work shall be entered into by mutual agreement between NETTAXI and SpinRecords.com and shall be substantially in the form of the Statement of Work attached hereto. Each Statement of Work shall be signed by authorized representatives of the parties. This Agreement may cover more than one Statement of Work at any given time. 3. Licenses AND OWNERSHIP. 3.1 Licenses by NETTAXI to SpinRecords.com. NETTAXI hereby grants to ----------------------------------------- SpinRecords.com a non-exclusive, worldwide, nontransferable, revocable, royalty free license to use the NETTAXI Brand Features as the same may be modified from time to time for the purposes of this Agreement 3.2 Licenses by SpinRecords.com to NETTAXI. SpinRecords.com hereby ------------------------------------------- grants NETTAXI a nonexclusive, worldwide, nontransferable, revocable, royalty free license to display and distribute the, and make derivative works from the SpinRecords.com Brand Features and any enhancements, modifications or improvements thereto as necessary to carry out the terms of this Agreement. 3.3 Ownership by NETTAXI. NETTAXI shall own all right, title, and ---------------------- interest in the NETTAXI Brand Features, the NETTAXI Pages and all Intellectual Property Rights therein, including any derivatives, improvements thereof, excluding the SpinRecords.com Brand Features 3.4 Ownership by SpinRecords.com. Except as otherwise set forth below, ----------------------------- SpinRecords.com shall own all right, title, and interest in the SpinRecords.com Brand Features and the SpinRecords.com Pages and all Intellectual Property Rights therein, including any derivatives, improvements thereof, excluding the NETTAXI Brand Features. Source: RAE SYSTEMS INC, 10-Q, 11/14/2000 3.5 Impressions. Neither party nor its employees shall take actions ---------- which will artificially increase the number of Impressions on the party's web pages. For example, a party's employees shall not repeatedly access the other party's web pages. 4. PAYMENT 4.1 Payment. In consideration of the duties and obligations of the ------- parties hereto, SpinRecords.com shall pay NETTAXI in the manner set forth in the Statement of Work. 5. REPRESENTATIONS AND WARRANTIES. 5.1 Representations and Warranties of SpinRecords.com. SpinRecords.com -------------------------------------------------- hereby represents and warrants to NETTAXI that: (i) SpinRecords.com has the full power and authority to enter into this Agreement and to carry out its obligations under this Agreement; (ii) SpinRecords.com has the full power and authority to grant the rights and licenses granted to NETTAXI in this Agreement; and (iii) SpinRecords.com owns the SpinRecords.com Brand Features. 2 5.2 Representations and Warranties of NETTAXI. NETTAXI hereby --------------------------------------------- represents and warrants to SpinRecords.com that (i) NETTAXI has the full power and authority to enter into this Agreement and to carry out its obligations under this Agreement; (ii) NETTAXI has the full power and authority to grant the rights and licenses granted to SpinRecords.com in this Agreement; and (iii) NETTAXI owns the NETTAXI Brand Features. 5.3 THE NETTAXI SERVICES FURNISHED AS A RESULT OF OR UNDER THIS AGREEMENT ARE PROVIDED ON AN "AS IS" BASIS, WITHOUT ANY WARRANTIES OR REPRESENTATIONS EXPRESS, IMPLIED OR STATUTORY; INCLUDING, WITHOUT LIMITATION, WARRANTIES OF QUALITY, PERFORMANCE, NONINFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. NOR ARE THERE ANY WARRANTIES CREATED BY A COURSE OF DEALING, COURSE OF PERFORMANCE OR TRADE USAGE. NETTAXI DOES NOT WARRANT THAT
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Extract the exact clause related to "Ip Ownership Assignment" from the excerpt above.

assistant: Not found.