MPEP § 903 — Classification in USPC (Annotated Rules)

This page consolidates and annotates all enforceable requirements under MPEP § 903, including statutory authority, regulatory rules, examiner guidance, and practice notes. It is provided as guidance, with links to the ground truth sources. This is information only, it is not legal advice.

Classification in USPC

This section addresses Classification in USPC.

Key Rules

Definitions & Scope (2)

MPEP GuidanceInformativeAlways
[mpep-903-ae327392410079cea75cd1eb]
Utility Patents and Applications Require CPC Classification
Note:
Utility patents, applications, and publications must receive a classification under the Cooperative Patent Classification (CPC) system.

Utility patents, applications, and patent application publications receive a classification designation under the Cooperative Patent Classification (CPC) system. Only design and plant applications/patents and plant application publications receive classification designations under USPC. See MPEP § 905 for information on CPC.

MPEP GuidanceInformativeAlways
[mpep-903-821cb693bc3d7e063f70c400]
Design and Plant Patent Classification Required
Note:
Only design and plant patents and their application publications receive classification designations under USPC.

Utility patents, applications, and patent application publications receive a classification designation under the Cooperative Patent Classification (CPC) system. Only design and plant applications/patents and plant application publications receive classification designations under USPC. See MPEP § 905 for information on CPC.

Citations

Primary topicCitation
MPEP § 905

Source Text from USPTO’s MPEP

This is an exact copy of the MPEP from the USPTO. It is here for your reference to see the section in context.

BlueIron Last Updated: 2025-12-31