James C. Tienken Founding Attorney


As the founding member of Tienken & Associates, Jim offers substantial trial and appellate experience. A believer in thorough preparation, Jim draws on his extensive skills in legal analysis and courtroom presentation to achieve the best possible results for his clients.

Jim continues to receive the preeminent 5.0 out of 5 “AV” rating from his peers, and from members of the judiciary. This rating reflects Jim’s recognized expertise and ability, as well as his high ethical standards. The AV rating acknowledges the highest level of legal skills and ethical responsibility that a lawyer can achieve.

Jim is a member of the Colorado and Boulder Bar Associations, and has practiced before the Colorado Court of Appeals, the Colorado Supreme Court, the United States District Court for the District of Colorado, and the United States Court of Appeals, Tenth Circuit. Jim has also appeared in State and Federal Courts in Utah, Montana, Wyoming, Idaho and New Mexico.

Bar Admissions and Experience

Colorado (1981); U.S. District Court, District of Colorado (1981); U.S. Court of Appeals, Tenth Circuit (1981); U.S. Supreme Court (1994).


South Dakota State University (B.S., With Honors 1978); University of Colorado School of Law (J.D. 1981)

Jim also volunteers his time for community boards and activities, and acts as legal advisor to various local non-profit businesses on a pro bono basis.