definiens: shall mean individually and collectively, all Intellectual Propertyconceived, discovered, developed, generated, created, made or reduced to practice during the performance of aResearch Project which is not part of the Produced Compound Intellectual Property . Research Project IntellectualProperty conceived, discovered, developed, generated, created, made and reduced to practice solely or jointly by oneor more employees, consultants, sub - contractors, or freelancers of or engaged by EVOTEC and/or ROCHE stemmingfrom EVOTEC ’s Background Intellectual Property is referred to as ; Research Project Intellectual Property conceived, discovered, developed, generated, created, made andreduced to practice solely or jointly by one or more employees, consultants, sub - contractors, or freelancers of orengaged by EVOTEC and/or ROCHE stemming from ROCHE ’s Background Intellectual Property is referred to as 1.53 shall mean, except as otherwise agreed between the parties, the period of time from and includingthe Effective Date for the performance of the individual Research Projects until the expiry of the last ResearchProject