Source: FAQ (MPEP-Based)BlueIron Update: 2024-09-30
This page is an FAQ based on guidance from the Manual of Patent Examining Procedure. It is provided as guidance, with links to the ground truth sources. This is information only: it is not legal advice.
The One Patent Service Gateway (OPSG) system is a tool used by the USPTO to support the reexamination process. As stated in MPEP 2235:
“The One Patent Service Gateway (OPSG) system is used to support the reexamination process.“
This system allows USPTO staff to access and manage data related to reexamination files, including retrieval of patent information, continuity data, and monitoring of major events in reexamination proceedings.
Topics:
MPEP 2200 – Citation Of Prior Art And Ex Parte Reexamination Of Patents
MPEP 2235 – Record Systems
Patent Law
Patent Procedure