definiens: means all proprietary mater ial and information including data, technical information, know - how, experience, inventions, discoveries, trade secrets, compositions of matter and methods, whether currently existing or developed or obtained during the course of this Agr eement and whether or not patentable or confidential, that are now Controlled by a Party or its Affiliates and that relate to the development, utilization, ma nufacture or use of any Drug Product Candidate or Drug Product, including but no t limited to processes, techniques, methods, products, materials and compos itions ; provided however, that for the purposes of the definition of VERTEX K now - How only, the term shall not include VERTEX 's general drug design technology, whether in software or hardware, tangible or intangible, form ; and shall mean the period starting on date this Agreement is effec tive with respect to a particular Drug Product Candidate and ending on the second anniversary thereafter