Manual of Patent Examining Procedure (MPEP)
Chapter 1900: Protest

Ninth Edition of the MPEP, Revision 07.2015, Last Revised in November 2015

Chapter 1900: Protest

1901: Protest Under 37 CFR 1.291

1901.01: Who Can Protest

1901.02: Information Which Can Be Relied on in Protest

1901.03: How Protest Is Submitted

1901.04: When Should the Protest Be Submitted

1901.05: Initial Office Handling and Acknowledgment of Protest

1901.06: Examiner Treatment of Protest

1901.07: Protestor Participation

1901.07(a): Filing of Multiple Papers Relating to Same Issues

1902‑1905: [Reserved]

1906: Supervisory Review of an Examiner’s Decision Adverse to Protestor

1907: Unauthorized Participation by Protestor

1908‑1919: [Reserved]

1920: Citation of Prior Art Under 37 CFR 1.501(a)