definiens: means any invention, discovery, advancement, development, creation, and intellectualproperty ( including patent, copyright, trade secret and application of patent ) which : ( a ) is invented, developed, authored, created, or reduced to practice by or on behalf of Relief or an Aﬃliate of Relief ( or Relief ’s or its Aﬃliate ’s personnel oragents, including any employee, oﬃcer, advisor, or independent contractor employed or engaged by ( or otherwise having anobligation to assign inventions to ) Relief or its Aﬃliates ) ; and/or ( b ) is invented, developed, authored, created, or reduced topractice by or on behalf of Acer or an Aﬃliate of Acer ( or Acer ’s or its Aﬃliate ’s personnel or agents, including anyemployee, oﬃcer, advisor, or independent contractor employed or engaged by ( or otherwise having an obligation to assigninventions to ) Acer or its Aﬃliates ) and ( c ) is not an Independent Invention ; and ( d ) meets at least one of the followingcriteria : ( i ) is an improvement or modiﬁcation to the Acer Technology ( including but not limited to improvements ormodiﬁcations to Product or its formulation and use of Product alone or in combination with other drugs ) ; ( ii ) utilizes, incorporates, or reads upon any element of the Acer Technology ; and ( iii ) is invented, developed, authored, created, orreduced to practice using the Acer Technology