MPEP § 1605 — Specification and Claim (Annotated Rules)

§1605 Specification and Claim

USPTO MPEP version: BlueIron's Update: 2025-12-31

This page consolidates and annotates all enforceable requirements under MPEP § 1605, 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.

Specification and Claim

This section addresses Specification and Claim. Primary authority: 35 U.S.C. 162, 37 CFR 1.163, and 37 CFR 1.164. Contains: 4 requirements and 5 guidance statements.

Key Rules

Topic

Plant Application Content

4 rules
StatutoryRequiredAlways
[mpep-1605-9f59f6c7a90d0454513ada63]
Specification Must Fully Describe Plant and Asexual Reproduction
Note:
The specification must provide a comprehensive disclosure of the plant, its distinguishing characteristics compared to known varieties, and details on how it has been asexually reproduced.

(a) The specification must contain as full and complete a disclosure as possible of the plant and the characteristics thereof that distinguish the same over related known varieties, and its antecedents, and must particularly point out where and in what manner the variety of plant has been asexually reproduced. For a newly found plant, the specification must particularly point out the location and character of the area where the plant was discovered.

Jump to MPEP Source · 37 CFR 1.163Plant Application ContentPlant Description RequirementsAsexual Reproduction Requirement
StatutoryRequiredAlways
[mpep-1605-bf552bf4158aa253a1ca5d74]
Location and Character of Plant Discovery Must Be Specified
Note:
The specification must particularly point out the location and character of the area where a newly found plant was discovered.

(a) The specification must contain as full and complete a disclosure as possible of the plant and the characteristics thereof that distinguish the same over related known varieties, and its antecedents, and must particularly point out where and in what manner the variety of plant has been asexually reproduced. For a newly found plant, the specification must particularly point out the location and character of the area where the plant was discovered.

Jump to MPEP Source · 37 CFR 1.163Plant Application ContentNewly Found SeedlingsPlant Patent Specification
StatutoryRecommendedAlways
[mpep-1605-0c47819902202a61fdd9069d]
Specification Must Describe Plant Characteristics Botanically
Note:
The specification must provide a detailed botanical description of the plant, distinguishing it from related varieties and including its origin and parentage.

The specification should include a complete detailed description of the plant and the characteristics thereof that distinguish the same over related known varieties, and its antecedents, expressed in botanical terms in the general form followed in standard botanical textbooks or publications dealing with the varieties of the kind of plant involved (evergreen tree, dahlia plant, rose plant, apple tree, etc.), rather than a mere broad nonbotanical characterization such as commonly found in nursery or seed catalogs. The specification should also include the origin or parentage and the genus and species designation of the plant variety sought to be patented. The Latin name of the genus and species of the plant claimed should be stated and preceded by the heading set forth in 37 CFR 1.163(c)(4). The specification must particularly point out where, e.g., location or place of business, and in what manner the variety of plant has been asexually reproduced.

Jump to MPEP Source · 37 CFR 1.163(c)(4)Plant Application ContentLatin Name RequirementPlant Description Requirements
StatutoryRequiredAlways
[mpep-1605-891c1f24985866b769fd9b59]
Specification Must Detail Asexual Reproduction Method
Note:
The specification must describe the location and method of asexually reproducing the plant variety.

The specification should include a complete detailed description of the plant and the characteristics thereof that distinguish the same over related known varieties, and its antecedents, expressed in botanical terms in the general form followed in standard botanical textbooks or publications dealing with the varieties of the kind of plant involved (evergreen tree, dahlia plant, rose plant, apple tree, etc.), rather than a mere broad nonbotanical characterization such as commonly found in nursery or seed catalogs. The specification should also include the origin or parentage and the genus and species designation of the plant variety sought to be patented. The Latin name of the genus and species of the plant claimed should be stated and preceded by the heading set forth in 37 CFR 1.163(c)(4). The specification must particularly point out where, e.g., location or place of business, and in what manner the variety of plant has been asexually reproduced.

Jump to MPEP Source · 37 CFR 1.163(c)(4)Plant Application ContentPlant Patent SpecificationPatent Application Content
Topic

Patent Application Content

2 rules
StatutoryRecommendedAlways
[mpep-1605-471bc816cf686a3473f74042]
Order of Specification Sections Required
Note:
The specification must include specific sections in a particular order, including the title, cross-reference to related applications, background, summary, description, claim, and abstract.
(c) The specification should include the following sections in order:
  • (1) Title of the invention, which may include an introductory portion stating the name, citizenship, and residence of the applicant.
  • (2) Cross-reference to related applications (unless included in the application data sheet).
  • (3) Statement regarding federally sponsored research or development.
  • (4) Latin name of the genus and species of the plant claimed.
  • (5) Variety denomination.
  • (6) Background of the invention.
  • (7) Brief summary of the invention.
  • (8) Brief description of the drawing.
  • (9) Detailed botanical description.
  • (10) A single claim.
  • (11) Abstract of the disclosure.
Jump to MPEP Source · 37 CFR 1.163Patent Application ContentInventor Information in ADSADS Content Requirements
StatutoryRecommendedAlways
[mpep-1605-6446134c7bafb8c12c9a4d73]
Section Heading for Specification Required
Note:
The text of the specification or defined sections must be preceded by a section heading in uppercase without underlining or bold type.

(d) The text of the specification or sections defined in paragraph (c) of this section, if applicable, should be preceded by a section heading in upper case, without underlining or bold type.

Jump to MPEP Source · 37 CFR 1.163Patent Application Content
Topic

Genus and Species Claims

2 rules
StatutoryRecommendedAlways
[mpep-1605-5aefdcec722bfa06a4a50c9a]
Genus and Species Designation Required for Patent
Note:
The specification must include the genus and species designation of the plant variety being patented.

The specification should include a complete detailed description of the plant and the characteristics thereof that distinguish the same over related known varieties, and its antecedents, expressed in botanical terms in the general form followed in standard botanical textbooks or publications dealing with the varieties of the kind of plant involved (evergreen tree, dahlia plant, rose plant, apple tree, etc.), rather than a mere broad nonbotanical characterization such as commonly found in nursery or seed catalogs. The specification should also include the origin or parentage and the genus and species designation of the plant variety sought to be patented. The Latin name of the genus and species of the plant claimed should be stated and preceded by the heading set forth in 37 CFR 1.163(c)(4). The specification must particularly point out where, e.g., location or place of business, and in what manner the variety of plant has been asexually reproduced.

Jump to MPEP Source · 37 CFR 1.163(c)(4)Genus and Species ClaimsPlant Application ContentLatin Name Requirement
StatutoryRecommendedAlways
[mpep-1605-b30fdf6ff54d1dcea563b8b9]
Genus and Species Must Be Stated
Note:
The Latin name of the genus and species of the plant claimed must be stated in the specification.

The specification should include a complete detailed description of the plant and the characteristics thereof that distinguish the same over related known varieties, and its antecedents, expressed in botanical terms in the general form followed in standard botanical textbooks or publications dealing with the varieties of the kind of plant involved (evergreen tree, dahlia plant, rose plant, apple tree, etc.), rather than a mere broad nonbotanical characterization such as commonly found in nursery or seed catalogs. The specification should also include the origin or parentage and the genus and species designation of the plant variety sought to be patented. The Latin name of the genus and species of the plant claimed should be stated and preceded by the heading set forth in 37 CFR 1.163(c)(4). The specification must particularly point out where, e.g., location or place of business, and in what manner the variety of plant has been asexually reproduced.

Jump to MPEP Source · 37 CFR 1.163(c)(4)Genus and Species ClaimsLatin Name Requirement
Topic

35 U.S.C. 112 Standard for Plants

1 rules
StatutoryRequiredAlways
[mpep-1605-40ba1760f8eaa941e2f6764f]
Description Must Be Complete
Note:
A plant patent's description must be as complete as reasonably possible to avoid invalidation under section 112.

No plant patent shall be declared invalid for noncompliance with section 112 if the description is as complete as is reasonably possible.

Jump to MPEP Source35 U.S.C. 112 Standard for PlantsPlant Description RequirementsPlant Patent Specification
Topic

Claims

1 rules
StatutoryRequiredAlways
[mpep-1605-cc54855357a70e198b6e2be6]
Claims Must Match Described Plant
Note:
The claims in the specification must formally correspond to the plant shown and described.

The claim in the specification shall be in formal terms to the plant shown and described.

Jump to MPEP SourceSpecificationPatent Application Content
Topic

Fee Transmittal

1 rules
StatutoryRecommendedAlways
[mpep-1605-ce1b6492613d7666a92499d9]
Order of Plant Application Elements Required
Note:
The elements of a plant application must be submitted in a specific order: transmittal form, fee transmittal form, data sheet, specification, drawings, and inventor's oath or declaration.
(b) The elements of the plant application, if applicable, should appear in the following order:
  • (1) Plant application transmittal form.
  • (2) Fee transmittal form.
  • (3) Application data sheet (see § 1.76).
  • (4) Specification.
  • (5) Drawings (in duplicate).
  • (6) The inventor's oath or declaration (§ 1.162).
Jump to MPEP Source · 37 CFR 1.163Fee TransmittalTransmittal ContentApplication Transmittal

Examiner Form Paragraphs

Examiner form paragraphs are standard language that you might see in an Office Action or communication from the USPTO. Examiners have latitude to change the form paragraphs, but you will often see this exact language.

¶ 16.01 ¶ 16.01 Specification, Manner of Asexually Reproducing
¶ 16.09 ¶ 16.09 Specification, Less Than Complete Description
¶ 16.10 ¶ 16.10 Specification, Location of Plant Not Disclosed

Citations

Primary topicCitation
Fee Transmittal37 CFR § 1.162
37 CFR § 1.163(a)
Genus and Species Claims
Plant Application Content
37 CFR § 1.163(c)(4)
Fee Transmittal37 CFR § 1.76

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