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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to record the transfer of any registrations or applications of Nuance IP or SpinCo IP that is allocated under the Separation Agreement, as applicable, and the relevant assignor Party hereby consents to such recordation. Section 2.03. Security Interests. Prior to, on and after the Distribution Date, each Party shall cooperate with the other Party, without any further consideration and at no expense to the other Party, to obtain, cause to be obtained or properly record the release of any outstanding Security Interest attached to any Nuance IP or SpinCo IP that is subject to assignment from one Party or its Group to the other Party or its Group hereunder, as applicable, and to take, or cause to be taken, all actions as the other Party may reasonably be requested to take in order to obtain, cause to be obtained or properly record such release. 5 Source: CERENCE INC., 8-K, 10/2/2019 ARTICLE III LICENSES AND COVENANTS FROM NUANCE TO SPINCO Section 3.01. License Grants. (a) Patents. Subject to the terms and conditions of this Agreement, as of the Distribution Date, Nuance hereby grants to SpinCo and the members of the SpinCo Group a worldwide, non-exclusive, fully paid-up, perpetual and irrevocable, transferable (subject to ARTICLE VIII), sublicensable (subject to Section 3.01(g)) license under the Nuance Patents, solely to the extent that claims of the Nuance Patents cover products or services of the SpinCo Business in the SpinCo Field of Use, together with natural extensions and evolutions thereof, in each case to make, have made, use, sell, offer for sale, import and otherwise exploit such products and services, together with natural extensions and evolutions thereof. (b) Technology. Subject to the terms and conditions of this Agreement, as of the Distribution Date, Nuance hereby grants to SpinCo and the members of the SpinCo Group a worldwide, non-exclusive, fully paid-up, perpetual and irrevocable, transferable (subject to ARTICLE VIII), sublicensable (subject to Section 3.01(g)) license to install, access, use, reproduce, perform, display, modify (including the right to create improvements and derivative works), further develop, sell, manufacture, distribute and market products and services based on, using or incorporating the Nuance Shared Technology Assets within the SpinCo Field of Use, together with natural extensions and evolutions thereof. (c) Other Nuance Shared IP. Subject to the terms and conditions of this Agreement, as of the Distribution Date, Nuance hereby grants to SpinCo and the members of the SpinCo Group a worldwide, non-exclusive, fully paid-up, perpetual and irrevocable, transferable (subject to ARTICLE VIII), sublicensable (subject to Section 3.01(g)) license to continue to use any Nuance IP (other than Nuance Patents, Nuance Technology Assets, Nuance Trademarks and Nuance Data), in each case solely as and to the extent that it is used by the SpinCo Group in connection with products and services of the SpinCo Business within the SpinCo Field of Use, together with natural extensions and evolutions thereof. (d) Trademarks. The Parties acknowledge and agree that no rights are granted to the SpinCo Group in this Agreement with respect to any Trademarks or Domain Names, provided that certain rights and obligations with respect to the use by the SpinCo Group of certain Nuance Trademarks and related Domain Names shall be set forth in the Transitional Trademark License Agreement. To the extent there is a conflict between the terms of this Agreement and the Transitional Trademark License Agreement, the terms of the Transitional Trademark License Agreement shall control. (e) Nuance Data. The Parties acknowledge and agree that certain rights and obligations with respect to the use or benefit by the SpinCo Group of certain Nuance Data shall be as provided in Schedule B. (f) OEM Technology. Notwithstanding the foregoing, the Parties acknowledge and agree that this Section 3.01 does not grant any rights or licenses to any OEM Technology, which is subject to certain separate agreements between the Parties, and to the 6 Source: CERENCE INC., 8-K, 10/2/2019 extent there is a conflict between this Agreement and such separate agreements, such separate agreements shall control. (g) Sublicenses. The licenses granted in Sections 3.01(a), (b) and (c) to the SpinCo Group include the right to grant sublicenses within the scope of such licenses only to members of the SpinCo Group and, without any further right to sublicense, to their respective (i) contractors, distributors, manufacturers and resellers, in each case solely for the benefit of the SpinCo Business, and (ii) end users and customers, in each case solely in connection with the use of products and services of the SpinCo Business. Notwithstanding the
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Extract the exact clause related to "Irrevocable Or Perpetual License" from the excerpt above.

assistant: Subject to the terms and conditions of this Agreement, as of the Distribution Date, Nuance hereby grants to SpinCo and the members of the SpinCo Group a worldwide, non-exclusive, fully paid-up, perpetual and irrevocable, transferable (subject to ARTICLE VIII), sublicensable (subject to Section 3.01(g)) license under the Nuance Patents, solely to the extent that claims of the Nuance Patents cover products or services of the SpinCo Business in the SpinCo Field of Use, together with natural extensions and evolutions thereof, in each case to make, have made, use, sell, offer for sale, import and otherwise exploit such products and services, together with natural extensions and evolutions thereof.