Grounds of Revocation of Patent Application There are four basic grounds through which a patent application can be revoked: Surrender of Patent A revocation under Section 64 of the Patents Act Revocation of patent related to atomic energy Revocation of a patent that is not in public interest Revocation on the grounds of being 'Non-Working' The party interested or the central government can file an application on the following grounds for revocation: The claims mentioned in the complete specification do not involve a patentable subject matter The person who has applied for a patent application is not entitled to claim the invention The claims mentioned in the invention are not novel as they are either the part of claims mentioned in the complete specification with a priority date before the date of the application.
Types of Patent Applications in India Provisional Patent Application A provisional application is a non- final application that is filed when an invention has not yet matured.