MPEP § 608.01(d) — Brief Summary of Invention (Annotated Rules)

This page consolidates and annotates all enforceable requirements under MPEP § 608.01(d), 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.

Brief Summary of Invention

This section addresses Brief Summary of Invention. Primary authority: 37 CFR 1.73.

Key Rules

Mandatory Requirements (4)

StatutoryRecommendedAlways
[mpep-608-01-d-303adc583387a68ea2993993]
Summary Must Describe Specific Invention
Note:
The brief summary of invention should focus on the specific claimed invention, avoiding generalities that apply to numerous previous patents.

Since the purpose of the brief summary of invention is to apprise the public, and more especially those interested in the particular art to which the invention relates, of the nature of the invention, the summary should be directed to the specific invention being claimed, in contradistinction to mere generalities which would be equally applicable to numerous preceding patents. That is, the subject matter of the invention should be described in one or more clear, concise sentences or paragraphs.

StatutoryRecommendedAlways
[mpep-608-01-d-b41b0e703ea257d9ac78b0d0]
Summary Must Describe Invention Clearly and Concisely
Note:
The summary should describe the specific invention in clear, concise sentences to inform those interested in the particular art about its nature.

Since the purpose of the brief summary of invention is to apprise the public, and more especially those interested in the particular art to which the invention relates, of the nature of the invention, the summary should be directed to the specific invention being claimed, in contradistinction to mere generalities which would be equally applicable to numerous preceding patents. That is, the subject matter of the invention should be described in one or more clear, concise sentences or paragraphs.

StatutoryRecommendedAlways
[mpep-608-01-d-c0649d70e2444562005b9589]
Brief Summary Must Exceed Objectives Statement
Note:
The brief summary should provide more than just a statement of the invention's objectives to aid in understanding the patent.

The brief summary, if properly written to set out the exact nature, operation, and purpose of the invention, will be of material assistance in aiding ready understanding of the patent in future searches. The brief summary should be more than a mere statement of the objects of the invention, which statement is also permissible under 37 CFR 1.73.

StatutoryRecommendedAlways
[mpep-608-01-d-6137d1cb27ae91c4818cade6]
Brief Summary Must Match Claims
Note:
The brief summary of the invention must be consistent with the subject matter of the claims as required by MPEP § 1302.

The brief summary of invention should be consistent with the subject matter of the claims. Note final review of application and preparation for issue, MPEP § 1302.

Conditional Requirements (1)

StatutoryRecommendedAlways
[mpep-608-01-d-0604b4271fc3d13c482cbcdd]
Summary Must Precede Detailed Description and Align with Claims
Note:
The summary of the invention should be included before the detailed description and must match the claims as stated.

A brief summary of the invention indicating its nature and substance, which may include a statement of the object of the invention, should precede the detailed description. Such summary should, when set forth, be commensurate with the invention as claimed and any object recited should be that of the invention as claimed.

Definitions & Scope (2)

StatutoryInformativeAlways
[mpep-608-01-d-741f1a2405ff919931518c00]
Brief Summary Must Describe Nature, Operation, and Purpose of Invention
Note:
The brief summary should detail the invention's nature, operation, and purpose to aid future searches.

The brief summary, if properly written to set out the exact nature, operation, and purpose of the invention, will be of material assistance in aiding ready understanding of the patent in future searches. The brief summary should be more than a mere statement of the objects of the invention, which statement is also permissible under 37 CFR 1.73.

StatutoryInformativeAlways
[mpep-608-01-d-3524db3c9a83d49eea966237]
Final Review of Application Before Issuance
Note:
The rule requires a final review of the application and preparation for issuance before the patent is granted, as per MPEP § 1302.

The brief summary of invention should be consistent with the subject matter of the claims. Note final review of application and preparation for issue, MPEP § 1302.

Citations

Primary topicCitation
37 CFR § 1.73
MPEP § 1302

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