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Cowan, Mark E. Of Counsel

Mark E. Cowan Of Counsel - Hagatna

Attorney at Arriola Law Firm

Banking Lawyers in Hagatna

259 Martyr Street Suite 201 Hagatna 96910, Guam

  • Free Consultation

Hagatna Banking Lawyer

Updated: 03/10/2026

Areas of Practice

  • Banking
  • Bankruptcy (Creditors)
  • Finance
  • Insurance
  • Real Estate
  • Wills & Trusts

Attorney Information

Overview

MARK E. COWAN has practiced law in Guam for over 45 years and is one of Guam's premier transactional attorneys. He continues to be Of Counsel to the firm and to consult and advise clients based on his extensive experience in the areas of banking and finance, business and commercial law, business organization, sales and acquisitions, real estate, including financing and acquisitions, insurance, including health insurance. His practice also includes wills, trusts, estate planning, probate, and estate administration.

Education

  • Legal Education

    • University of California, Berkeley, School of Law, Berkeley, California, 1972
      J.D.
  • Non Legal Education

    • University of California, Berkeley, California, 1969
      B.A.

Bar Admissions

  • Guam, 1973
  • Trust Territory of the Pacific Islands, 1975
  • U.S. Court of Appeals 9th Circuit, 1975
  • Northern Mariana Islands, 1978
  • Federal Claims Court, 1990
  • U.S. Supreme Court, 1992

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Contact

Google Map

Hagatna

259 Martyr Street
Suite 201
Hagatna 96910, Guam

Directions

Phone: 671-477-9730

Fax: 671-477-9734

Email: Send a message

Hours: M-F 8am-5pm

  • Credit Cards Accepted
  • Free Consultations

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