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Richard M. Petkun focuses his practice on international tax planning, corporate acquisitions and tax controversy resolution.

Richard has wide-ranging experience in tax planning for real estate developers and construction companies. Having practiced as tax counsel for a Houston-based international oil company, he also has transactional experience in the oil industry, including cross-border tax planning for major producing properties and development ventures in Africa, Canada and the UK sector of the North Sea.

A skilled practitioner in the tax controversy area, Richard has dealt with IRS examination teams in various large-case corporate audits and complex partnership cases.


  • 1144 Fifteenth Street, Suite 3300
    Denver, CO 80202


  • French


  • Sex: Male


  • Harvard University, graduated 1969

Bar Admissions

  • Colorado, Colorado Bar Association


  • American Bar Association - Member
  • Colorado Bar Association - Member
  • Denver Bar Association - Member

Recognized in The Best Lawyers in America® 2023 for work in:

  • Tax Law

Special Focus

  • Audits
  • Controversy
  • Corporate
  • International
  • Mergers & Acquisitions
  • Partnership
  • Tax Disputes


  • AV Preeminent® 5.0 out of 5
  • Marquis Who's Who in American Law, 2007-2011
  • Marquis Who's Who in America, 2009-2011
  • Marquis Who's Who in the World, 2011
  • Marquis Who's Who in the World, 2011
  • Marquis Who's Who in the World, 2011

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