definiens: means, with respect to a Royalty Product, all biolo gical materials and other tangible materials, inventions, practices, methods, protocol s, formulas, formulations, knowledge, know - how, tra de secrets, processes, assays, skills, experience, tec hniques and results of experimentation and testing, including without limitation pharmacological, toxicological a nd pre - clinical and clinical test data and analytic al and quality control data, patentable or otherwise, which relate s to the identification, characterization, optimiza tion, construction, expression, formulation, use Confidential 10 or production of such Royalty Product and which are reasonably useful or necessary to Research, Develo p, Manufacture or Commercialize such Royalty Product i n the Territory in ( a ) the [COMPANY] Field, in the ca se of [COMPANY] Royalty Products and [COMPANY] Development Pr oducts or ( b ) the [COMPANY] IOC Field, in the case of [COMPANY] IOC Products