pro se

For oneself; on one's own behalf.

A Latin term meaning "on one's own behalf"; in courts, it refers to persons who present their own cases without lawyers.

A nonlawyer who represents himself or herself in a court proceeding.

A person who represents himself or herself in court proceedings without the help of an attorney.

Latin phrase ("in one's own behalf") applied to defendants who waive the right to counsel and act as their own lawyers in criminal cases.

used to designate an independent inventor who has elected to file an application by themselves without the services of a licensed representative.