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Nicholas DeWeese

Senior Associate

Nicholas DeWeese

Nick DeWeese works closely with a wide range of clients to help them resolve problems. Based in Denver, Colorado, he practices in all areas of complex commercial litigation, with a principal focus on environmental, natural resources, and energy disputes, and on internal and regulatory investigations. He understands the needs of clients working in this complex and changing landscape, and enjoys helping them manage risks, understand compliance issues, identify problems, and craft effective solutions.

Nick often advocates for clients in litigation matters involving various governmental entities, including the United States Attorney's Office, the Department of Justice's Environmental and Natural Resources Division, the United States Air Force, the Colorado Attorney General's Office, state medical boards and other licensing bodies, and other similar entities. Nick also brings vast skills in conducting due diligence and electronic data management, depositions, settlement agreements, pleadings, motions, and appeals.

As a lifelong Colorado resident and graduate of a Denver law school, Nick has a deep local network that he can rely on to enrich opportunities for clients. He has a personal and vested interest in helping clients resolve their problems.

Nick has a passion for pro bono work and has assisted on immigration and asylum cases, civil rights matters, and in criminal representations. Nick has represented multiple nonprofit organizations on various matters and even served as a member of the board of directors.

While in law school, Nick served as a senior editor of the Denver University Law Review, as the Vice President of the Student Trial Lawyers' Association, and as a teaching assistant for the Lawyering Process program. He graduated summa cum laude and Phi Beta Kappa from the University of San Diego, and worked in the healthcare arena prior to law school.

Representative Experience

Defending one of the nation's largest aerospace and defense contractors against environmental-contamination claims.

Representing global gold mining company in cross-border dispute.

Representing midstream oil and gas company in complex litigation in New York state court.

Defended wind-energy company against alleged violations of the Migratory Bird Treaty Act.

Assisted global gold mining company in various disputes related to property and natural-resources rights.

Assisted construction company in multiple disputes related to a large construction project in the Middle East.

Represent Colorado-based financial institution against unlawful employment discrimination lawsuit.

Represented national for-profit institution against alleged violations of consumer protection laws, negotiating a successful resolution of the claims.

Represented public university in Colorado in response to a False Claims Act qui tam lawsuit, drafting a successful motion to dismiss the case.

Defended physicians in investigations involving the Food and Drug, and Cosmetic Act and related to the reimbursement of claims to federal programs.

Education and admissions


  • J.D., University of Denver Sturm College of Law, 2011
  • B.A., summa cum laude, University of San Diego, 2005


  • Board of Directors, Rocky Mountain Children’s Law Center
  • Co-Chair, Hogan Lovells' Denver Associates' Committee
  • Member, Colorado Bar Association
  • Member, Denver Bar Association

Bar admissions and qualifications

  • Colorado

Court admissions

  • Supreme Court of Colorado
  • U.S. Court of Appeals, Tenth Circuit
  • U.S. District Court, District of Colorado
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