This page was last updated in April 2000. All of the sections of the MPEP are found in the section index . A description requirement issue can arise in a number of different circumstances where it must be determined whether the subject matter of a new or amended claim is supported in an application as filed. An amendment to the claims or the addition of a new claim must be supported by the description of the invention in the application as filed.
Original claims constitute their own description.
A broad generic disclosure to a class of compounds was not a sufficient written description of a specific compound within the class. All Rights Reserved.