Adam Hosmer-Henner


Bar Admissions
  • J.D., Harvard Law School, 2008
  • B.S. & B.A., Duke University, 2005
Bar Admissions
  • J.D., Harvard Law School, 2008
  • B.S. & B.A., Duke University, 2005

Professional Background

Adam Hosmer-Henner represents Nevada’s largest companies and entities in high-profile cases throughout the state.  He is a co-chair of the Appellate Practice Group at McDonald Carano and has handled over forty appeals at the Nevada Supreme Court and argued multiple cases before the Court.

Mr. Hosmer-Henner represents his clients in litigation and arbitration involving a wide range of complex matters and focuses on health care, gaming, antitrust and unfair trade practices, intellectual property, trusts and estates, and commercial torts.

Mr. Hosmer-Henner previously worked in the Antitrust and Competition Department of Skadden, Arps, Slate, Meagher & Flom in New York. He also worked as a legal advisor for the Remote Gambling Association in Brussels, Belgium where he counseled the association and its members on regulatory, tax and competition issues affecting the European online gambling sector.


Representative Matters

Renown Health

  • Prime Healthcare Services – Reno, LLC v. Hometown Health Providers Insurance Company, Inc. et al., Case No. 3:21-c-00226 (District of Nevada)
  • Lewis v. Renown Regional Medical Center, Inc., Case No. 74300 (Nevada Supreme Court)
  • Turner v. Renown Regional Medical Center, Inc., Case No. 77312 (Nevada Supreme Court)

Caesars Entertainment Corp.

  • Cabral v. Caesars Entertainment Corp., Case No. 78580 (Nevada Supreme Court)
  • Artman v. Eldorado Resorts, Inc., Case No. 89879 (Nevada Supreme Court)

Governmental and Administrative Cases

  • Fair Maps Nevada et al. v. Cegavske et al., Case No. 3:20-cv-00271 (District of Nevada)
  • Jackson v. Fair Maps Nevada PAC, Case No. 80563 (Nevada Supreme Court)
  • Washoe County School District v. Washoe County, Case No. 83592 (Nevada Supreme Court
  • Schmidt v. Kieckhefer, Case No. 66528 (Nevada Supreme Court)
  • Hyatt v. Yee (California Franchise Tax Board, Case No. 15-15296 (Ninth Circuit)


  • The Virtual Raise It or Waive It: Preserving an Accurate Appellate Record of Remote Trial Court Proceedings, Nevada Lawyer, June 2021
  • Appellate Briefs, The Writ, publication by the Washoe County Bar Association, Bi-monthly Columnist
  • Co-operating to Reduce the International Regulatory Burden, European Gaming Lawyer, Winter 2013
  • In-Room Mobile Gaming in Nevada, Casino Lawyer, Fall 2011
  • Preventing Game-Fixing: Sports Books as Information Markets, 14 Gaming L. Rev. 31 (2010) (Shannon Bybee Award for outstanding paper on a subject in the field of gaming law)
  • Unstable Equilibriums in the European Gambling Market, European Gaming Lawyer, Winter 2010

Pro Bono

  • Pro Bono Lawyer of the Year – United States District Court of Nevada
  • Nevada Supreme Court – Pro Bono Committee
  • U.S. District Court for the District of Nevada – Pro Bono Committee
  • Lead Class Counsel – In re: HCV Prison Litigation, Case No. 3:19-cv-00577-MMD-CLB (U.S. District of Nevada)
  • Paliotta v. State, Dept. of Corrections, Case No. 66664 (Nevada Supreme Court)
  • Carone v. Div. of Indus. Relations, Case No. 70718 (Nevada Supreme Court)
  • Church v. Washoe County, Case No. 71884 (Nevada Supreme Court)
  • Office of Military Legal Assistance – Volunteer
  • Lawyer in the Library – Volunteer
  • Project Salute – Volunteer

Awards and Recognition

  • Chambers USA – Commercial Litigation (“Up & Coming”, 2022)
  • Vince Consul Memorial Pro Bono Award, Legal Aid Center of Southern Nevada (2021)
  • The American Lawyer – “Trailblazers West” (2021)
  • The Best Lawyers in America© – Commercial Litigation, Gaming Law (2021-2023)
  • Nevada Business Magazine – “Legal Elite” (2020, 2021)
  • “Twenty Under 40” Honoree, Reno Tahoe Young Professionals Network (2020)
  • Super Lawyers Magazine “Mountain States Rising Star” – Appellate, Business Litigation, Estate and Trust Litigation (2016-2017, 2019-2022)

Professional Associations and Community Engagement

  • Commission on the Nevada Rules of Appellate Procedure
  • Past Chair of the Appellate Litigation Section of the State Bar of Nevada
  • State Bar of Nevada, Lawyer Advertising Advisory Committee
  • Leadership Reno-Sparks – Graduate
  • Bruce R. Thompson American Inn of Court
  • American Bar Association
  • State Bar of Nevada
  • Washoe County Bar Association

Attorney News

McDonald Carano Receives Highest Number of Practice Group Rankings in Chambers 2022

McDonald Carano proudly announces that five of our Practice Groups received prestigious rankings in the Nevada section of Chambers USA: America’s Leading Lawyers for Business 2022. The Nevada section evaluated…

13 McDonald Carano Attorneys Voted
“Top Rank Attorneys” and “Best Up & Coming Attorneys”

McDonald Carano proudly announces having the most attorneys recognized in Nevada Business Magazine’s “Top Rank Attorneys” list for 2022, including four “Best Up & Coming Attorneys.” For the past 15…

Adam Hosmer-Henner Receives the
Vince Consul Memorial Pro Bono Award

McDonald Carano proudly announces that Adam Hosmer-Henner received the Vince Consul Memorial Pro Bono Award from the Legal Aid Center of Southern Nevada. The award recognizes “stellar contributors to pro…

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