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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services (including that are part of the Genomic Analysis Platform). FMI hereby grants to Roche a non-exclusive, royalty-free, worldwide, perpetual, and sublicensable license to any intellectual property arising from the Immunotherapy Testing Platform Program Controlled by FMI for internal research purposes and to the extent necessary for Roche to research, develop, make, have made, use, offer for sale, sell, import and commercialize Roche products other than diagnostic products. If FMI is unable or unwilling to develop and commercialize an Immuno Clinical Study assay or CDx assay resulting from the Immunotherapy Testing Platform Development Program in a given country within the Territory as specified in an R&D Plan for any reason other than a breach of this Agreement by Roche, and on the timeline agreed to in such R&D Plan, then, effective on the end of the timeline specified in such R&D Plan, FMI hereby grants to Roche a non-exclusive, royalty-free, perpetual, and sublicensable license under any intellectual property invented by FMI arising from the Immunotherapy Testing Platform Program or the Immunotherapy Testing Platform Development that is necessary for Roche to develop and commercialize such tests in such country in the Territory. 2.1.4 ctDNA Licenses FMI hereby grants to Roche (i) an exclusive, royalty-free, sublicensable, worldwide and perpetual license to any intellectual property rights arising from the ctDNA Development Platform Program that are necessary for Roche to develop, make, have made, use, offer for sale, sell, import and commercialize Roche products other than diagnostic products (including the use, formulation, methods of treatment, clinical data or other data, information or results relating to the Roche therapeutic product) solely for use in connection with such activities and such Roche products and (ii) a non-exclusive, royalty-free, worldwide and perpetual license, with the right to grant sublicenses solely to Roche Affiliates, to any intellectual property rights arising from the ctDNA Development Platform Program, for internal research purposes. Roche hereby grants to FMI a non-exclusive, royalty-free, worldwide, perpetual, and sublicensable license to any IP Controlled by Roche and developed under the ctDNA Platform Development Program (excluding Roche Immunotherapy Sample Results) to the extent necessary for FMI to research, develop, make, have made, use, offer for sale, sell, import and commercialize the ctDNA Assays. 2.1.5 CDx Development Program FMI hereby grants to Roche a non-exclusive license under the FMI CDx IP for internal research purposes, and to the extent necessary to research, develop, make, have made, use, offer for sale, sell, import and commercialize Roche products other than diagnostic products. If FMI is unwilling or unable to develop and commercialize a CDx Assay for a given country in the Territory as specified in the R&D Plan, and on the timeline set forth in the relevant R&D Plan, for any reason other than a breach of this Agreement by Roche, then FMI hereby grants to Roche a non-exclusive, royalty-free, sublicensable, and perpetual license under any intellectual property invented by FMI arising from the CDx Development Program that is necessary for Roche to develop and commercialize a CDx Assay equivalent in such country in the Territory. - 19 - 2.2 Sublicense Except as otherwise provided herein, where the right to sublicense is granted under this Agreement, the licensee shall have the right to sublicense, and subcontract (subject to Section 2.3), through multiple tiers. Each sublicense granted hereunder to a Third Party shall be pursuant to a written agreement. Each sublicense granted hereunder by a Party shall include restrictions on the disclosure of the other Party's Confidential Information that are substantially similar to the protections provided herein. Each Party shall be liable for any action or failure to act by a sublicensee under a sublicense granted by such Party to the extent such action or failure to act on the part of such Party would constitute a breach of this Agreement by such Party. 2.3 Right to Subcontract Each Party shall have the right to subcontract the work performed under this Agreement in accordance with the applicable R&D Plan. Each such subcontract with a Third Party shall be pursuant to a written agreement. Each such subcontract by a Party shall include restrictions on the disclosure of the other Party's Confidential Information that are substantially similar to the protections provided herein. Each Party shall be liable for any action or failure to act by a subcontractor under a subcontract entered into by such Party to the extent such action or failure to act on the part of such Party would constitute a breach of this Agreement by such Party. 3. Research
"""

Extract the exact clause related to "Irrevocable Or Perpetual License" from the excerpt above.

assistant: FMI hereby grants to Roche a non-exclusive, royalty-free, worldwide, perpetual, and sublicensable license to any intellectual property arising from the Immunotherapy Testing Platform Program Controlled by FMI for internal research purposes and to the extent necessary for Roche to research, develop, make, have made, use, offer for sale, sell, import and commercialize Roche products other than diagnostic products.