Question: Consider the Intellectual Property Agreement between Nuance Communications, Inc. and Cerence Inc.; Are any of the licenses granted under this contract irrevocable or perpetual?
Relevant contract clauses:
[{"span": [17252, 17953], "answer": "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.", "file_path": "cuad/CerenceInc_20191002_8-K_EX-10.4_11827494_EX-10.4_Intellectual Property Agreement.txt"}, {"span": [17971, 18648], "answer": "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.", "file_path": "cuad/CerenceInc_20191002_8-K_EX-10.4_11827494_EX-10.4_Intellectual Property Agreement.txt"}, {"span": [18678, 19342], "answer": "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.", "file_path": "cuad/CerenceInc_20191002_8-K_EX-10.4_11827494_EX-10.4_Intellectual Property Agreement.txt"}, {"span": [24002, 24702], "answer": "Subject to the terms and conditions of this Agreement, as of the Distribution Date, SpinCo hereby grants to Nuance and the members of the Nuance Group a worldwide, non-exclusive, fully paid-up, perpetual and irrevocable, transferable (subject to ARTICLE VIII), sublicensable (subject to Section 4.01(g)) license under the SpinCo Patents, solely to the extent that claims of the SpinCo Patents cover products or services of the Nuance Business in the Nuance 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.", "file_path": "cuad/CerenceInc_20191002_8-K_EX-10.4_11827494_EX-10.4_Intellectual Property Agreement.txt"}, {"span": [24720, 25397], "answer": "Subject to the terms and conditions of this Agreement, as of the Distribution Date, SpinCo hereby grants to Nuance and the members of the Nuance Group a worldwide, non-exclusive, fully paid-up, perpetual and irrevocable, transferable (subject to ARTICLE VIII), sublicensable (subject to Section 4.01(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 SpinCo Shared Technology Assets within the Nuance Field of Use, together with natural extensions and evolutions thereof.", "file_path": "cuad/CerenceInc_20191002_8-K_EX-10.4_11827494_EX-10.4_Intellectual Property Agreement.txt"}, {"span": [25427, 26112], "answer": "Subject to the terms and conditions of this Agreement, as of the Distribution Date, SpinCo hereby grants to Nuance and the members of the Nuance Group a worldwide, non-exclusive, fully paid-up, perpetual and irrevocable, transferable (subject to ARTICLE VIII), sublicensable (subject to Section 4.01(g)) license to continue to use any SpinCo IP (other than SpinCo Patents, SpinCo Technology Assets, SpinCo Trademarks, SpinCo Domain Names and SpinCo Data), in each case solely as and to the extent that it is used by the Nuance Group in connection with products and services of the Nuance Business within the Nuance Field of Use, together with natural extensions and evolutions thereof.", "file_path": "cuad/CerenceInc_20191002_8-K_EX-10.4_11827494_EX-10.4_Intellectual Property Agreement.txt"}]