Adam Hosmer-Henner

Practice Areas

Appellate

Commercial & Complex Litigation

Gaming & Administrative Law

Trust, Estate & Fiduciary Litigation

Career

Adam Hosmer-Henner represents Nevada’s largest companies and entities in high-profile cases throughout the state. He is Chair of the Appellate Practice Group 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.

Awards and Recognitions

Chambers USA: America’s Leading Lawyers for Business – Appellate Litigation (Band 1, 2024), Commercial Litigation (Band 3, 2024; Up and Coming, 2022, 2023)

The Best Lawyers in America – Commercial Litigation (2021-2024), Gaming Law (2021-2024), Appellate Practice (2024), Trusts & Estates Litigation (2024), and Tax Litigation and Controversy (2024)

Nevada Business Magazine – “Top Rank Attorneys” (2020-2024)

Northern Nevada Business Weekly, Best in Business awards – “Up & Coming Business Person” (2022)

Mountain States Super Lawyers Magazine – Super Lawyer (2019-2023), Rising Star (2016-2017)

Vince Consul Memorial Pro Bono Award, Legal Aid Center of Southern Nevada (2021)

The American Lawyer – “Trailblazers West” (2021) (Attorneys who have “moved the needle in the legal industry,” are “truly agents of change,” and “made significant marks on the practice, policy and technological advancement of their practice.”)

“Twenty Under 40” Honoree, Reno Tahoe Young Professionals Network (2020)

Pro Bono Lawyer of the Year – United States District Court of Nevada

Professional Memberships

Member, Commission on the Nevada Rules of Appellate Procedure

Member, Appellate Litigation Section, State Bar of Nevada (past Chair)

Member, Lawyer Advertising Advisory Committee, State Bar of Nevada

Lawyer Representative, U.S. District Court, District of Nevada (2023-2025)

Pro Bono Committee, Nevada Supreme Court

Pro Bono Committee, U.S. District Court of the District of Nevada

Volunteer, Lawyer in the Library program, Washoe County Law Library

Volunteer, Office of Military Legal Assistance

Volunteer, Project Salute

Graduate, Leadership Program, Reno + Sparks Chamber of Commerce

Member, Bruce R. Thompson American Inn of Court

Member, American Bar Association

Member, Washoe County Bar Association

Member, Clark County Bar Association

Publications

Presentations and Publications

Author, Non-Final, Appealable Administrative Orders, Appellate Briefs, The Writ, Washoe County Bar Association, Sept/Oct 2023

Author, Navigating Multi-Party Appeals, Appellate Briefs, The Writ, Washoe County Bar Association, May/June 2023

Moderator, judges panel on Civil Practice, District of Nevada’s Federal District Conference, May 11, 2023

Author, A Wynn for the Nevada Gaming Commission, Appellate Briefs, The Writ, Washoe County Bar Association, Sept/Oct 2022

Author, The Virtual Raise It or Waive It: Preserving an Accurate Appellate Record of Remote Trial Court Proceedings, Nevada Lawyer, June 2021

Author, Co-operating to Reduce the International Regulatory Burden, European Gaming Lawyer, Winter 2013

Author, In-Room Mobile Gaming in Nevada, Casino Lawyer, Fall 2011

Author, 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)

Author, Unstable Equilibriums in the European Gambling Market, European Gaming Lawyer, Winter 2010

Work Highlights

Representative Matters

I. 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)

II. 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)

III. 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)

IV. Pro Bono Matters

In re: HCV Prison Litigation, Case No. 3:19-cv-00577-MMD-CLB (U.S. District of Nevada) (Lead Class Counsel)

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)