Mark E. Haynes

Of Counsel

PHONE 303-628-3609
CELL 303-638-0489

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Mark Haynes is a trial attorney at Ireland Stapleton.

In his practice, he maintains an active litigation practice defending professionals and businesses, such as accountants, lawyers, contractors, companies and their directors and officers, members and shareholders of privately held businesses and aviators, in all aspects of commercial litigation including antitrust, contract, partnership, intellectual property, ERISA, securities and employment law litigation. Mark has in depth experience defending accountants and lawyers in complex matters with unique factual and legal issues circumstances. Mark maintains an active bankruptcy litigation practice. Further, Mark has successfully litigated complex product liability cases including toxic tort matters.

Mark serves as pro bono counsel and as a board member for Friends of Patan Hospital (USA), Inc., an organization that supports the work of Patan Hospital in Nepal. He helps the group with obtaining and maintaining 501(c)(3) status, corporate matters, and regulatory filings.

He received a B.A. with honors from the University of Wyoming and a J.D., cum laude, from the University of Michigan in 1982. He served as an officer in the U.S. Army, including a tour as a tank company commander. Prior to joining Ireland Stapleton, he was with the firm of Gorsuch, Kirgis, Campbell, Walker and Grover from 1982 – 1986 and joined Morrison and Foerster in 1986, becoming a litigation partner in 1990. Mark was with Pryor, Carney and Johnson and Pryor, Johnson, Montoya, Carney and Karr between 1993 – 2005 where he served as head of the firm’s commercial litigation practice.



  • Colorado
  • U.S. District Court for the District of Colorado
  • U.S. Court of Appeals for the Tenth Court
  • U.S. Supreme Court


  • J.D., University of Michigan, 1982, cum laude
  • B.A., University of Wyoming, 1975, with honors in history

Honors & Awards

  • Selected to The Best Lawyers in America® for Litigation Insurance Law, 2019-2024
  • Phi Beta Kappa, Phi Kappa Phi, Department Honors in History
  • Phi Alpha Delta Law Fraternity, Book Award in Conflicts of Laws
  • “Bankruptcy Exemption Manual” in West’s Bankruptcy Series, 2018
  • American Bar Association, Litigation, Business Law, and Intellectual Property, past chairman of special projects group
  • Colorado Bar Association
  • Denver Bar Association
  • Colorado Defense Lawyers Association
  • Friends of Patan Hospital (USA), Inc.
See all of Mark's Community Involvement