definiens: means, with respect to a Royalty Product, all biological materials and other tangible materials, inventions, practices, methods, protocols, formulas, formulations, knowledge, know - how, trade secrets, processes, assays, skills, experience, techniques and results of experimentation and testing, including without limitation pharmacological, toxicological and pre - clinical and clinical test data and analytical and quality control data, patentable or otherwise, whichrelates to the identification, characterization, optimization, construction, expression, formulation, useConfidential10 or production of such Royalty Product and which are reasonably useful or necessary to Research, Develop, Manufacture orCommercialize such Royalty Product in the Territory in ( a ) the [COMPANY] Field, in the case of [COMPANY] Royalty Products andTekmira Development Products or ( b ) the Tekmira IOC Field, in the case of Tekmira IOC Products