1.31    Applicant may be represented by one or more patent practitioners or joint inventors.

An applicant for patent may file and prosecute the applicant’s own case, or the applicant may give power of attorney so as to be represented by one or more patent practitioners or joint inventors, except that a juristic entity (e.g., organizational assignee) must be represented by a patent practitioner even if the juristic entity is the applicant. The Office cannot aid in the selection of a patent practitioner.

[50 FR 5171, Feb. 6, 1985, effective Mar. 8, 1985; revised, 69 FR 29865, May 26, 2004, effective June 25, 2004; revised 69 FR 35427, June 24, 2004, effective July 26, 2004; revised, 70 FR 56119, Sept. 26, 2005, effective Nov. 25, 2005; revised, 77 FR 48776, Aug. 14, 2012, effective Sept. 16, 2012]