Thomas E. Luebben, Esq., is a geophysical engineer (G.Pe., Colorado School of Mines - 1966) and attorney (J.D., New York University School of Law Root-Tilden Program in Public Interest Law - 1969) primarily representing Native Americans and Native Hawaiians. Mr. Luebben's practice focuses on tribal government representation; protection and recovery of tribal land, tribal water rights and other natural resources; and environmental protection. He has represented Indian tribes, indigenous organizations and individuals throughout the United States; including Alaska, Arizona, California, Colorado, Hawaii, Montana, Nevada, and New Mexico; since 1971.

He has taught as adjunct professor of law at the University of New Mexico, guest lectured at the University of Arizona School of Law and has written texts and taught seminars on Alaska Native Lands, Tribal Jurisdiction, Federal Indian Law, Indian Land Status, Indian Land Rights and Land Claims, Indian Water Rights, Oil and Gas Development on Indian Lands and Mineral Development on Indian Lands. His litigation includes Harjo v. Andrus, 581 F.2d 949 (D.C. Cir.
1978) (Muscogee Nation governance); United States v. Tucson / Alvarez v. Tucson (Southern Arizona Water Rights Settlement Act); Soboba Band of Mission Indians v. United States, Dkt. 80-A before the Indian Claims Commission; United States v. Dann, 470 U.S. 39 (S. Ct. 1985) (Western Shoshone Indian land rights); Pueblo of Jemez v. United States, 790 F.3d 1143 (10th Cir. 2015) (Indian title) (Jemez I); Pueblo of Jemez v. United States, 63 F.4th 881 (10th Cir. 2023) (Indian title) (Jemez II); Pueblo Ysleta del Sur v. El Paso (Spanish land grant and Indian title); and negotiation of Soboba Band of Mission Indians and San Xavier Indian Reservation water rights settlements.