What are the current sequence rules for patent applications?

The current sequence rules for patent applications are outlined in 37 CFR 1.821-1.825 and World Intellectual Property Organization (WIPO) Standard ST.25. These rules became effective on July 1, 1998.

The MPEP states: The current sequence rules, which are embodied in 37 CFR 1.821-1.825 and World Intellectual Property Organization (WIPO) Standard ST.25, became effective July 1, 1998.

Note: For applications filed on or after July 1, 2022, new requirements under WIPO ST.26 apply. Refer to MPEP §§ 2412-2419 for guidance on these new requirements.

To learn more:

• Sequence Rules
• Patent Applications
• WIPO Standards
• CFR Regulations