term:

Ex Parte

ex parte adv or adj

[Medieval Latin, on behalf (of)]
: on behalf of or involving only one party to a legal matter and in the absence of and usually without notice to the other party [an ex parte motion] [relief granted ex parte] used in citations to indicate the party seeking judicial relief in a case [Ex Parte Jones, 7 U.S. 2 (1866)] compare in re, inter partes

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.