Billie Siddoway

Billie Siddoway: Attorney with Deiss Law PC AV stamp icon
  • Attorney at Deiss Law PC (8 Attorneys)
  • 10 West 100 South, Suite 425, Salt Lake City, UT 84101
    View Billie Siddoway's office location
  • Peer Reviews

    4.5/5.0 (20)
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Attorney Awards


Billie Siddoway has trial and dispute resolution experience in many industries, including agriculture, automotive, legal services, software, analytics, real estate, manufacturing, advertising, hospitality, technology, medical devices, healthcare, and direct sales. Siddoway handles claims for clients of every size, from Fortune 500 companies to small business and individuals involved in business disputes. She has handled contract disputes, antitrust claims, trade secret misappropriation, non-compete and non-solicitation covenants, copyright and trademark claims, cybersquatting, competitive issues and business torts.

Siddoway was born in St. Anthony, Idaho and attended West Jefferson High School. While growing up, she worked on the family sheep ranch and at the local feed store. She was elected as Teton County Prosecuting Attorney in 2016 and currently handles a variety of cases in that capacity including civil litigation and compliance matters for the County.

Honors and Awards

• Best Lawyers in America, Commercial Litigation, U.S. News and World Report, 2013-present

• Mountain States Super Lawyers, Thomson Reuters, 2009-present

• Utah Legal Elite, Utah Business Magazine, 2008-present

• Martindale Hubbell 'Preeminent' lawyer, rating of AV, preeminent, 2018

• Super Lawyers Rising Star, Thomson Reuters, 2017

• Mountain States Super Lawyers Top 50 Women, Thomson Reuters, 2016

Professional Affiliations

• American Bar Association

• Federal Bar Association

• Idaho Bar Association

• Utah Bar Association

• Salt Lake County Bar Association

• Republican National Lawyers Association

Areas of Practice (3)

  • Business Litigation
  • Employment Litigation
  • Competition Litigation

Education & Credentials

Contact Information:
801-512-2383  Phone
801-386-9894  Fax
University Attended:
University of Idaho, B.A., American Studies, 1995
Law School Attended:
University of Utah College of Law, J.D., 2002
Year of First Admission:
2003, Utah; 2002, Idaho

Peer Reviews

  • 4.5/5.0 (20 reviews)
  • 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.
  • Legal Knowledge

  • Analytical Capability

  • Judgment

  • Communication

  • Legal Experience


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

Salt Lake City, Utah

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