Subsequent Refinements. Take care when the parties agree to additional refinements or limitations to their respective rights, whether during the initial negotiations or subsequently as amendments to the agreement. The best practice is to carefully review the core license grant provisions and revise them as necessary to integrate the new concepts. A common mistake is to tack on additional provisions reflecting the new concepts without reconciling them with the existing framework. In the author’s experience, this is very likely to lead to a license agreement that fails to meet the basic goal of any contract: to clearly define the intended rights and obligations of the parties.
