37 CFR § 1.477 — Protest to lack of unity of invention before the (MPEP Index) – BlueIron IP

37 CFR § 1.477 Protest to lack of unity of invention before the

Source: Patent Rule (37 CFR)BlueIron Update:

This page consolidates MPEP guidance interpreting 37 CFR § 1.477, including 19 rules 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.

Summary

37 CFR 1.477 provides a procedural mechanism for patent applicants to challenge an examiner's determination of multiple independent inventions within a single patent application, particularly in international (PCT) patent filings.

What this section covers

  • Procedural framework for challenging unity of invention requirements in patent applications.
  • Scope of protests related to international patent applications and restriction requirements.

Key obligations

  • Provide clear and substantive grounds for challenging the examiner's unity of invention determination.
  • Follow specific procedural requirements when filing a protest against lack of unity.

Conditions and exceptions

  • Understand the specific circumstances and conditions under which a unity of invention protest can be filed.

Practice notes

  • Carefully document and substantiate the technical relationship between claimed inventions.
  • Be aware of potential fee implications and refund processes when filing protests in international patent applications.

Related Provisions

Based on MPEP Last Modified: 10/30/2024 08:50:22