Heather Hanneman Denver Colorado lawyer

Heather R. Hanneman

Managing Shareholder

Selected Reported Cases:

  • Scott R. Larson, P.C. v. Grinnan, ___ P.3d ___, 2017 WL 2590525 (Colo. App. June 15, 2017).
  • United States ex rel. Hanlon v. Columbine Mgmt. Servs., Inc., 676 F. App'x 787 (10th Cir. 2017).
  • Mockelmann v. Mockelmann, 121 P.3d 337 (Colo. App. 2005).
  • In re E.L.M.C., 100 P.3d 546 (Colo. App. 2004) (counsel for amicus curiae American Civil Liberties Union).
  • Schwankl v. Davis, 85 P.3d 512 (Colo. 2004).


Heather Hanneman has over twenty-seven years of experience in complex civil litigation, representing clients in federal and state courts, arbitrations, mediations, and before boards of contract appeals. Her areas of practice include commercial contracts and other business disputes, fraud, government contracts, securities litigation, unfair competition, trade secrets, professional licensure and regulatory investigations, defamation, and corporate internal investigations. In addition to her trial court practice, she also has extensive appellate litigation experience, representing numerous clients in the Colorado Court of Appeals, the Colorado Supreme Court, and the United States Courts of Appeals for the Tenth and District of Columbia Circuits. Heather was selected by her peers to be included in the 2013, 2014, 2015, 2016, 2017, and 2018 editions of Best Lawyers in America® in the area of Appellate Practice. She also was selected in 2014, 2015, 2016, 2017, and 2018 by SuperLawyers® in the area of Business Litigation.


Heather graduated with high distinction from the University of Iowa College of Law, where she was an articles editor for the Iowa Law Review. She is a member of the Colorado Bar and admitted to practice before the United States District Court for the District of Colorado, the United States Court of Appeals for the Tenth Circuit, and the United States Court of Appeals for the District of Columbia Circuit.


From 2010 to 2017, Heather served as a Commissioner on the Colorado State Board Of Judicial Performance, which evaluates the performance of Colorado Supreme Court justices and Court of Appeals judges. She served as the Commission chair from 2016-2017. She also has served as a Continuing Legal Education instructor on the Colorado Consumer Protection Act. Heather has been active in pro bono and professional service activities, including work on behalf of the ACLU of Colorado, Colorado Legal Services, and the Denver County Permanent Restraining Order Project.

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