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:
"""
on the part of Neoforma or its Affiliates or its officers, directors, employees, agents or consultants, (c) any claim that the Neoforma Content, Neoforma Product Listings, Neoforma Sites or a Neoforma Mark violates, infringes or misappropriates any Intellectual Property Rights or any other right of any third party, or (d) the use of a VerticalNet Mark or a VerticalNet Deliverable outside of the license rights granted herein. 15.5 INDEMNIFICATION BY VERTICALNET. VerticalNet shall indemnify and hold harmless Neoforma and its officers, directors, employees and agents from and against any and all losses, 21 22 claims, damages, liabilities, obligations, penalties, judgments, awards, costs, expenses and disbursements, including without limitation, the costs, expenses and disbursements, as and when incurred, of investigating, preparing or defending any action, suit, proceeding or investigation asserted by a third party, caused by, relating to, based upon, arising out of or in connection with (a) any breach by VerticalNet of the representations, warranties or agreements made by it under this Agreement, (b) negligence, recklessness or intentional misconduct on the part of VerticalNet or its officers, directors, employees, agents or consultants, (c) any claim that the VerticalNet Content, VerticalNet Product Listings, VerticalNet Sites or a VerticalNet Mark violates, infringes or misappropriates any Intellectual Property Rights or any other right of any third party, or (d) the use of a Neoforma Mark or a Neoforma Deliverable outside of the license rights granted herein. 15.6 INDEMNITEE OBLIGATIONS. Each person seeking to be reimbursed, indemnified, defended and/or held harmless under Sections 15.4 [INDEMNIFICATION BY NEOFORMA] or 15.5 [INDEMNIFICATION BY VERTICALNET] (each, an "Indemnitee") shall (a) provide the Party obliged to indemnify such Indemnitee with prompt written notice of any claim, suit, demand or other action for which such Indemnitee seeks to be reimbursed, indemnified, defended or held harmless (each, a "Claim"), which notice shall include a reasonable identification of the alleged facts giving rise to such Claim; (b) grant such Party reasonable authority and control over the defense and settlement of any such Claim; and (c) reasonably cooperate with such Party and its agents in defense of any such Claim. Each Indemnitee shall have the right to participate in the defense of any Claim for which such Indemnitee seeks to be reimbursed, indemnified, defended or held harmless, by using attorneys of such Indemnitee's choice, at such Indemnitee's expense. Any settlement of a Claim for which any Indemnitee seeks to be reimbursed, indemnified, defended or held harmless under this Article shall be subject to the prior written approval of such Indemnitee, such approval not to be unreasonably withheld, conditioned or delayed. 15.7 ESSENTIAL PART OF BARGAIN. The Parties acknowledge that the disclaimers and limitations set forth in this Article 15 [DISCLAIMER OF WARRANTY, LIMITATION OF LI...] are an essential element of this Agreement between the Parties and that the Parties would not have entered into this Agreement without such disclaimers and limitations. 16. MISCELLANEOUS 16.1 GOVERNING LAW. This Agreement shall be governed by and interpreted under the laws of the Commonwealth of Pennsylvania without regard to its conflicts of law provisions. 16.2 NO ASSIGNMENT. Except as otherwise set forth herein, neither Party shall transfer, assign or cede any rights or delegate any obligations hereunder, in whole or in part, whether voluntarily or by operation of law, without the prior written consent of the other Party, which consent may be withheld at the other Party's reasonable business discretion; provided, however, that either Party may transfer this Agreement without prior written consent of the other Party to an Affiliate or in connection with a merger or sale of all or substantially all of the stock or assets of such Party. 16.3 GOOD FAITH. The Parties undertake to display to each other the utmost good faith, consistent with their respective rights and obligations set forth in this Agreement. 22 23 16.4 INDEPENDENT CONTRACTORS. In connection with this Agreement, each Party is an independent contractor. This Agreement does not, and shall not be construed to, create an employer-employee, agency, joint venture or partnership relationship between the Parties. Neither Party shall have any authority to act Source: NEOFORMA INC, S-1/A, 12/2/1999 for or to bind the other Party in any way, to alter any of the terms or conditions of any of the other Party's standard forms of invoices, sales agreements, warranties or otherwise, or to warrant or to execute agreements on behalf of the other or to represent that it is in any way responsible for the acts, debts, liabilities or omissions of the other Party. 16.5
"""

Extract the exact clause related to "Anti-Assignment" from the excerpt above.

assistant: Except as otherwise set forth herein, neither Party shall transfer, assign or cede any rights or delegate any obligations hereunder, in whole or in part, whether voluntarily or by operation of law, without the prior written consent of the other Party, which consent may be withheld at the other Party's reasonable business discretion; provided, however, that either Party may transfer this Agreement without prior written consent of the other Party to an Affiliate or in connection with a merger or sale of all or substantially all of the stock or assets of such Party.