Phi Delta Phi International Legal Fraternity, established in the year 1869 to promote a higher standard of professional ethics, is among the oldest of legal organizations in North America. Phi Delta Phi has one hundred and twenty-seven active chapters -- called Inns -- in the Western Hemisphere and the number increases yearly. Phi Delta Phi has initiated in excess of 191,000 members making it the largest legal fraternity in existence.

The H. Carl Moultrie Inn at the University of the District of Columbia is the only honors legal fraternity on campus. The organization seeks to create networking opportunities by sponsoring academic and social activities.