J. Matthew Thornton


Tel 303.299.7370
Fax 303.296.3956

J. Matthew Thornton is an associate in the Litigation Group and a former summer associate at the firm. Matt's practice focuses on commercial litigation, including individual actions and class action defense, as well as privacy and cybersecurity matters. Matt has experience propounding and responding to discovery requests, defending discovery motions, handling third party discovery disputes, arguing substantive motions in court, preparing witnesses to give testimony, defending depositions, negotiating settlements, spearheading mediation, briefing dispositive motions, and maintaining clear, concise, and timely communications with clients, among other things.

Representative Litigation Matters

In recent years, Matt has:

  • Defended numerous lawsuits involving allegations of negligence, fraud, conspiracy, and violations of statutes, like the Fair Credit Reporting Act, the Telephone Consumer Protection Act and Fair Debt Collection Practices Act;
  • Assisted clients in responding to data breaches, including a "phishing" scam that required notification to individuals residing in 30 states;
  • Defended a mobile advertising company in a multi-million dollar breach of contract dispute;
  • Represented a large corporation in a putative class action alleging wage and hour violations;
  • Favorably settled an age discrimination and retaliation lawsuit filed by a serial litigant;
  • Represented a development company that sued to recover its earnest money;
  • Defended a large trust from a family member’s attempt to reach the trust’s assets;
  • Obtained a grant of clemency for an inmate sentenced to years in prison for possessing a small amount of crack cocaine; and
  • Represented, pro bono, a disabled individual in a landlord/tenant dispute resulting in a highly favorable settlement for the client.

In law school, Matt served as a Judicial Intern for Justice Gregory Hobbs, Jr. of the Colorado Supreme Court.

Professional Activities

American Bar Association

Colorado Bar Association

Denver Bar Association


Co-author, "Oregon, New York, Alabama, and Rhode Island Join List of States Considering Data Breach Legislation Post-Equifax," Pratt's Privacy & Cybersecurity Law Report, May 2018

Co-author, "CPSC Explores Safety Hazards in 'Internet of Things' Products," Ballard Spahr alert, April 11, 2018

Co-author, "Flooring It into the Future with Self-Driving Cars," ColoradoBiz Magazine, July 13, 2017

Co-author, "Overview of the Association of Corporate Counsel Model Information Protection and Security Controls for Outside Counsel Possessing Company Confidential Information," Ballard Spahr memo, April 2017

Co-author, "Ninth Circuit to Decide Key TCPA Insurance Issue," Ballard Spahr alert, February 22, 2017

Co-author, "Colorado Supreme Court Limits Jurisdiction Over Manufacturers," Ballard Spahr alert, September 20, 2016

Speaking Engagements

Speaker, "California's Proposition 65: What You Need to Know About the Impending Regulation Changes," Ballard Spahr webinar, July 26, 2018

University of Denver, Sturm College of Law (J.D. 2015; Order of St. Ives)
Denver University Law Review, Staff Editor; Denver Journal of International Law and Policy, Staff Editor
Jessup International Moot Court Team, Captain

Virginia Commonwealth University (M.A. Economics, magna cum laude)

Virginia Commonwealth University (B.S. Economics, magna cum laude)


U.S. District Court for the District of Colorado

U.S. Court of Appeals for the 10th Circuit