1. In patent law, a proceeding that may be requested of the Patent and Trademark Office to check whether prior art invalidates one or more claims of a previously granted patent.
2. In trial procedure, an alternative name for a redirect examination.
1. In patent law, a proceeding that may be requested of the Patent and Trademark Office to check whether prior art invalidates one or more claims of a previously granted patent.
2. In trial procedure, an alternative name for a redirect examination.