Who can sign amendments to patent applications?

According to MPEP 714.01(a), amendments to patent applications must be signed by:

• A patent practitioner of record
• A patent practitioner not of record who acts in a representative capacity under 37 CFR 1.34
• The applicant (as defined in 37 CFR 1.42)

For juristic entities, all papers must be signed by a patent practitioner unless otherwise specified. The MPEP states: Unless otherwise specified, all papers submitted on behalf of a juristic entity must be signed by a patent practitioner.

To learn more:

• patent amendments
• signature requirements
• patent practitioners
• juristic entities