Southeastern Legal Foundation - 501(c)(3) - Freedom based public interest law firm - Defender of the Constitution - Rebuilding the American Republic since 1976 Southeastern Legal Foundation (SLF) is a constitutional public interest law firm. Since 1976, we have been fighting for your constitutional rights and advocating for individual liberty, limited government, and free enterprise. Founded on January 14, 1976, the Southeastern Legal Foundation is a conservative non‐profit public interest law firm and policy center which advocates limited government, individual liberty, private property rights, and the free enterprise system in the courts of law and public opinion. Acting on the promise of the signers of the Declaration of Independence, who pledged their lives, fortunes, and sacred honor to guard the freedoms inherent in the people, SLF's mandate is to act decisively to achieve results in that effort.