Thomas E. Merrigan


Thomas E. Merrigan



Legal Assistant

Sakhone Louangrath-Vongphandy


J.D., University of Denver College of Law

B.A., University of Michigan


U.S. Court of Appeals, Ninth Circuit

U.S. Court of Appeals, Tenth Circuit

U.S. District Court, District of Colorado


As a partner at Berg Hill Greenleaf & Ruscitti LLP, Mr. Merrigan’s practice emphasizes litigation and arbitration of commercial disputes of all kinds. He is an arbitrator and member of the American Arbitration Association’s construction industry panel in Colorado. Mr. Merrigan has extensive trial experience and has argued cases before the state and federal appellate courts in Colorado. He represents local government and private sector clients in areas ranging from land use and development to taxation and employment. His construction practice concentrates on helping both owners and contractors with mechanic’s liens and construction disputes including claims for delays, changes, suspensions and terminations, defects, and insurance.

Mr. Merrigan has advised city councils, boards, and municipal employees on a wide range of issues including general administration, open meetings and public records, planning and zoning, employment, taxation and TABOR, annexations and public safety issues. He has served as the lead prosecutor in three municipal courts.

Mr. Merrigan is AV-rated by the Martindale-Hubbell peer review ratings system.

Professional Associations

American Arbitration Association Construction Industry Panel Member

American Bar Association, Construction Industry Forum, Section of State and Local Government Law

Colorado Bar Association

Adams-Broomfield Bar Association

Past Associations

Past President-Adams County Bar Association

Represenative Cases

Sinclair Marketing Inc. v. City of Commerce City, 226 P.3d 1239 (Colo. App. 2009)

City of Commerce City v. State, 40 P.3d 1273 (Colo. 2002)

Fraternal Order of Police, Colorado Lodge #L19 v. City of Commerce City, 996 P.2d 133 (Colo. 2000)

DCB Construction Co., Inc. v. Central City Development Corp., 965 P.2d 115 (Colo. 1998)