William "Bill" Mercer

William "Bill" Mercer


Holland & Hart LLP

Recognized since 2019

Billings, Montana

Practice Areas

Commercial Litigation

Natural Resources Law

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Bill relies on twenty-one years of government service to represent clients in litigation involving the federal government or the State of Montana, criminal and civil matters investigated by the federal government or the State of Montana, and federal and Montana regulatory matters.

His civil litigation and regulatory work is focused on environmental issues. Bill’s work on behalf of clients under government investigation is focused on allegations of violations of health care and environmental laws.

Bill previously served as a senior Justice Department official in the Bush Administration in two positions: Acting Associate Attorney General and Principal Associate Deputy Attorney General. As Associate Attorney General, he served as the third-ranking official in DOJ and had oversight responsibility for five litigating divisions (Antitrust, Civil, Civil Rights, Environment and Natural Resources and Tax) with criminal and civil cases. Bill served as United States Attorney in Montana from 2001 to 2009 and as an Assistant US Attorney from 1994 to 2001. In these roles, he was responsible for natural resources litigation, prosecution of criminal cases, and appellate practice on behalf of the United States.

Contact & Links
Location
  • 401 North Thirty-First Street, Suite 1500
    Billings, MT 59101
Education
  • George Mason University, J.D., graduated 1993

Holland & Hart LLP
Headquarters: Denver, Colorado

169 The Best Lawyers in America® awards

71 Best Lawyers: Ones to Watch® in America awards

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Recognized in The Best Lawyers in America® 2024 for work in:
  • Commercial Litigation
  • Natural Resources Law
Additional Areas of Practice:
  • Environmental Law
  • Litigation - Environmental

Publications

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