Mark E. Biddison

Mark-biddison-boulder-lawyerMark E. Biddison was admitted to practice law in California in 1980. In 1988, he was admitted to practice law in Colorado. His focus areas include business and commercial litigation, criminal defense, insurance litigation and personal injury. He has extensive trial experience.

mark-bidderson-smallMark E. Biddison has more than 36 years of proven trial experience in business and commercial litigation, criminal defense, insurance litigation, and personal injury. His commitment to his clients is to provide effective and efficient representation of their legal rights, together with court-tested advice on how to sensibly and ethically resolve legal issues. Mark brings a real-world perspective forged over years of study, analysis, and trial and error. Mark’s experience includes all aspects of trial and appellate practice.

Areas of Practice

  • Business and Commercial Litigation
  • Insurance Litigation
  • Personal Injury
  • Criminal Law

Bar Admissions

  • California, 1980
  • Colorado, 1988
  • U.S. District Court, Eastern District of California, 1981
  • U.S. District Court, Northern District of California, 1986
  • U.S. District Court, District of Colorado, 1988
  • U.S. District Court ,Central District of California, 1991
  • U.S. Court of Appeals, 10th Circuit, 1989
  • U.S. Supreme Court, 1990


  • McGeorge School of Law, University of the Pacific, Sacramento, California, 1980 J.D.
    Honors: Moot Court Honors Board
  • California State University, San Bernardino,
    1977 B.A.
    Major: Economics

Representative Cases

Honors and Awards

  • Moot Court Honors Board

Professional Associations and Memberships

  • Colorado Trial Lawyers Association
  • National Association of Criminal Defense Lawyers
  • Colorado Criminal Defense Bar
  • California Bar Association
  • Colorado Bar Association
  • American Association of Premier DUI Attorneys

Learn more about Mark E. Biddison