The judicial-made doctrine of obviousness-type double patenting (ODP) is intended to prevent patent system gamesmanship such that applicants cannot obtain an unjustified extension.
Parties in the discovery phase of litigation often exchange confidential documents and information, which may contain proprietary information such as the technical aspects.
During the prosecution of a patent application before the U.S. Patent and Trademark Office, claim amendments that introduce a negative limitation―the exclusion of a particular element or.