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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become Licensed Patents pursuant to the last two sentences of Section 5.1.2 of the AZ License). SFJ shall, and hereby does, assign to MedImmune and will cause each of its officers, directors, employees and Affiliates, and its and their respective Permitted Third Parties, to assign to MedImmune all right, title and interest in and to all Patents filed by or on behalf of PB claiming any Licensed Know-How, without additional compensation, as is necessary to fully effect the Source: PHASEBIO PHARMACEUTICALS INC, 10-K, 3/30/2020 sole ownership provided for in the second sentence of this Section 11.1.1.1(b). In the event of any conflict between the terms of this Agreement (including the form of Program Transfer Agreement) and the terms of the AZ License, in each case, as applicable to Licensed Know-How or Licensed Patents, the terms of the AZ License shall prevail. 11.1.1.2 MedImmune Intellectual Property. (a) SFJ acknowledges and agrees that, as required by the AZ License, MedImmune shall own and retain all right, title and interest in and to any and all AstraZeneca Product Improvements, AstraZeneca Product Know-How and AstraZeneca Product Patents. SFJ shall, and hereby does, assign to MedImmune and will cause each of its officers, directors, employees and Affiliates, and its and their respective Permitted Third Parties, to assign to MedImmune all right, title and interest in and to all (i) AstraZeneca Product Improvements that are conceived, discovered, developed or otherwise made by or on behalf of SFJ or any of its Affiliates (including by any of their respective Third Party contractors), (ii) AstraZeneca Product Know-How generated by or on behalf of SFJ or any of its Affiliates (including by any of their respective Third Party contractors), and (iii) AstraZeneca Product Patents claiming any such AstraZeneca Product Improvement(s) or AstraZeneca Product Know-How; in each case, without additional compensation, as is necessary to fully effect the sole ownership provided for in the first sentence of this Section 11.1.1.2(a). (b) SFJ shall cause each employee, individual consultant and Third Party contractor that SFJ or its Affiliate proposes to engage to conduct any Clinical Trial activity under or in connection with this Agreement (including, if applicable, in connection with the Program Transfer Agreement) on its behalf who conceives, discovers, develops or otherwise makes any AstraZeneca Product Improvement under or in connection with activities conducted pursuant to this Agreement to be under an obligation to assign to PB their rights in any such AstraZeneca Product Improvement, so that PB may comply with its obligations with respect to AstraZeneca Improvements, AstraZeneca Product Know-How and AstraZeneca Product Patents under the AZ License. If (i) SFJ is unable to cause any such Third Party contractor or consultant (including any contractor who is, or a consultant who is employed by, a governmental, not-for-profit, or public institution that has standard policies against such an assignment) to agree to such assignment obligation with respect to AstraZeneca Product Improvements despite SFJ's using commercially reasonable efforts to negotiate such assignment obligation, or (ii) Applicable Law would prohibit SFJ from requiring such an assignment from such Third Party contractor or consultant, in each case ((i) and (ii)), SFJ and its Affiliates shall refrain from using such Third Party contractor or consultant to conduct activities pursuant to this Agreement unless PB obtains MedImmune's written consent thereto. (c) The Parties acknowledge and agree that in the event of any conflict between the terms of this Agreement and the terms of the AZ License, in each case, as applicable to AstraZeneca Product Improvements, AstraZeneca Product Know-How or AstraZeneca Product Patents, the terms of the AZ License shall prevail. Source: PHASEBIO PHARMACEUTICALS INC, 10-K, 3/30/2020 11.1.1.3 Trial Inventions. (a) PB shall be the exclusive and sole owner of, and retain all right, title and interest in and to, all Trial Inventions (which shall constitute PB Intellectual Property), regardless of inventorship. SFJ will promptly disclose, and will cause its Affiliates and all Permitted Third Parties engaged by SFJ or its Affiliates to perform any of SFJ's obligations hereunder promptly to disclose, to PB in writing in reasonable detail each Trial Invention made, developed, created, generated, conceived or reduced to practice in whole or in part by or on behalf of SFJ, such Affiliate or such Permitted Third Party, which written disclosure shall include all available information and data necessary to support the filing of patent applications Covering such Trial Invention. SFJ, for itself and on behalf of its Affiliates, hereby assigns, and shall cause such other Permitted Third Parties to assign (subject to Section 11.1.1.3(c)),
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Extract the exact clause related to "Ip Ownership Assignment" from the excerpt above.

assistant: sole ownership provided for in the second sentence of this Section 11.1.1.1(b).