definiens: means any and all discoveries ( excluding Enhancem ents ) conceived or reduced to practice ( a ) within [ † ] ( [ † ] ) years after the effective date of the Academic License by the Licensor, whether o r not patentable, which is a refinement, improvement or d erivative of the PAM50 Product and/or the Gene Set and/or any Improvement, and which is not a New Sign ature ; ( b ) which Licensor otherwise agrees in writi ng to include as part of the Licensed IP subject to th e Exclusive License under this Agreement ; ( c ) joint ly by Licensor and Licensee and which relate to the PAM50 Product and/or the Gene Set ; or ( d ) that are within the meaning of that term unde r the Academic License and are licensed to Licensor thereunder . Notwithstanding the foregoing, any and all discoveries jointly conceived or reduced to pra ctice by the Parties shall remain the intellectual property of each Party