Mary A. Throne

Mary A. Throne: Attorney with Throne Law Office, P.C.
  • Of Counsel at Throne Law Office, P.C. (3 Attorneys)
  • 424 North Main Street, Suite 201, P.O. Box 6590, Sheridan, WY 82801-6324
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Mary A. Throne's practice has emphasized environmental issues for over nineteen years, seventeen in Cheyenne. Her practice areas include air quality, industrial siting, water quality, waste management, land quality and environmental compliance and permitting, as well as general administrative law. Mary has represented large and small clients in environmental matters, including both defense and prosecution of citizen suits. More recently, she has worked on wind project siting and regulatory issues. She is a frequent speaker and author on environmental subjects and currently serves as the Wyoming Bars Trustee to the Rocky Mountain Mineral Law Foundation. Mary joined Throne Law in 2009, following nearly ten years with a Cheyenne firm. In 2006, Mary was elected to the Wyoming House of Representatives. In addition, Mary serves as Minority Whip. She has worked extensively on Wyoming's carbon sequestration bills adopted in 2008 and 2009. Mary is a native of Campbell County, Wyoming and following law school, she served as a law clerk for the Honorable Reena Raggi of the Eastern District of New York. Her practice began in Denver as an associate in a large Denver firm, before returning to Wyoming to work as an Assistant Attorney General for the State of Wyoming, representing the Department of Environmental Quality, Air Quality Division.

(Resident, Cheyenne Office)

Areas of Practice (6)

  • Air Quality
  • Industrial Siting
  • Water Quality
  • Waste Management
  • Land Quality and Environmental Compliance and Permitting
  • General Administrative Law

Education & Credentials

Contact Information:
888-309-4590  Phone
307-674-6104  Fax
University Attended:
Princeton University, B.A., 1982
Law School Attended:
Columbia University, J.D., 1988
Year of First Admission:
1990, Colorado; 1992, Wyoming
Payment Information:
  • Fixed Hourly Rates

Peer Reviews

  • 4.4/5.0
  • High ethical standing icon
  • A Martindale-Hubbell Peer Rating reflects a combination of achieving a Very High General Ethical Standards rating and a Legal Ability numerical rating.

*Peer Reviews provided before April 15, 2008 are not displayed.

Sheridan, Wyoming

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