MPEP § 106.01 — Rights of Assignee of Part Interest (Annotated Rules)

§106.01 Rights of Assignee of Part Interest

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

This page consolidates and annotates all enforceable requirements under MPEP § 106.01, 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.

Rights of Assignee of Part Interest

This section addresses Rights of Assignee of Part Interest. Primary authority: 37 CFR 1.46) and 37 CFR 1.46. Contains: 1 permission and 2 other statements.

Key Rules

Topic

Assignee of Entire Interest

1 rules
StatutoryPermittedAlways
[mpep-106-01-950da91c25f7962842b8e525]
Assignee of Entire Interest Can Prosecute Application
Note:
Only the assignee of record for the entire interest can intervene in application prosecution, excluding the original applicant.

While it is only the assignee of record of the entire interest who can intervene in the prosecution of an application or interference to the exclusion of the applicant (or, for applications filed on or after September 16, 2012, can prosecute the application after becoming the applicant under 37 CFR 1.46), an assignee of a part interest or a licensee of exclusive right is entitled to inspect the application. For information pertaining to prosecution by the assignee, see MPEP § 324 (for applications filed before September 16, 2012) and MPEP § 325 (for applications filed on or after September 16, 2012).

Jump to MPEP Source · 37 CFR 1.46)Assignee of Entire InterestAIA Effective DatesAssignee as Applicant Signature
Topic

Assignee of Part Interest (MPEP 106.01)

1 rules
StatutoryInformativeAlways
[mpep-106-01-7abbf795d5a69a0f6a7b4a59]
Assignee of Part Interest Can Inspect Application
Note:
An assignee who holds a part interest in an application is entitled to inspect the application.

While it is only the assignee of record of the entire interest who can intervene in the prosecution of an application or interference to the exclusion of the applicant (or, for applications filed on or after September 16, 2012, can prosecute the application after becoming the applicant under 37 CFR 1.46), an assignee of a part interest or a licensee of exclusive right is entitled to inspect the application. For information pertaining to prosecution by the assignee, see MPEP § 324 (for applications filed before September 16, 2012) and MPEP § 325 (for applications filed on or after September 16, 2012).

Jump to MPEP Source · 37 CFR 1.46)Assignee of Part Interest (MPEP 106.01)Assignee as Applicant SignatureControl of Inspection by Assignee (MPEP 106)
Topic

AIA Effective Dates

1 rules
StatutoryInformativeAlways
[mpep-106-01-5938b47ad5156e8d7bd9920d]
Assignee CanProsecute After Becoming Applicant
Note:
An assignee can prosecute an application after becoming the applicant on or after September 16, 2012.

While it is only the assignee of record of the entire interest who can intervene in the prosecution of an application or interference to the exclusion of the applicant (or, for applications filed on or after September 16, 2012, can prosecute the application after becoming the applicant under 37 CFR 1.46), an assignee of a part interest or a licensee of exclusive right is entitled to inspect the application. For information pertaining to prosecution by the assignee, see MPEP § 324 (for applications filed before September 16, 2012) and MPEP § 325 (for applications filed on or after September 16, 2012).

Jump to MPEP Source · 37 CFR 1.46)AIA Effective DatesAssignee as Applicant SignatureControl of Inspection by Assignee (MPEP 106)

Citations

Primary topicCitation
AIA Effective Dates
Assignee of Entire Interest
Assignee of Part Interest (MPEP 106.01)
37 CFR § 1.46
AIA Effective Dates
Assignee of Entire Interest
Assignee of Part Interest (MPEP 106.01)
MPEP § 324
AIA Effective Dates
Assignee of Entire Interest
Assignee of Part Interest (MPEP 106.01)
MPEP § 325

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