Ho-Chunk Nation v. Kalshi Inc. et al

Wisconsin Western District Court
Judge:	William M Conley
Case #:	3:25-cv-00698
Nature of Suit	470 Other Statutes - Racketeer Influenced and Corrupt Organizations
Cause	18:1964 Racketeering (RICO) Act

Case Filed:

Aug 20, 2025

Last checked: Monday Feb 16, 2026 1:53 AM CST

Amicus Lytton Rancheria	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Washington Indian Gaming Association	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Tunica-Biloxi Indian Tribe	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Sycuan Band of Kumeyaay Nation	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Seminole Tribe of Florida	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Pueblo of Sandia	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Pokagon Band of Potawatomi Indians	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Picayune Rancheria of Chukchansi Indians of California	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Pechanga Band of Indians	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Oklahoma Indian Gaming Association	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Native American Finance Officers Association	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus National Congress of American Indians	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Morongo Band of Mission Indians	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Mescalero Apache Tribe	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Mashantucket Pequot Tribal Nation	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Kickapoo Traditional Tribe of Texas	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Karuk Tribe	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Jamul Indian Village of California	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Indian Gaming Association	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Elk Valley Rancheria	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus California Nations Indian Gaming Association	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Arizona Indian Gaming Association	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Amicus Agua Caliente Band of Cahuilla Indians	Represented By Jens Wesley Camp Hobbs, Straus, Dean & Walker, LLP contact info Joseph H. Webster Hobbs, Straus, Dean & Walker, LLP contact info Elizabeth Bower contact info
Defendant Robinhood Markets, Inc.	Represented By Brittany Sukiennik Cravath, Swaine & Moore LLP contact info Jessica Hutson-Polakowski Reinhart Boerner Van Deuren, Sc contact info Mithun Mansinghani Lehotsky Keller Cohn LLP contact info Kevin Orsini Cravath, Swaine & Moore LLP contact info Antony Ryan Cravath, Swaine & Moore LLP contact info
Defendant Robinhood Derivatives LLC	Represented By Brittany Sukiennik Cravath, Swaine & Moore LLP contact info Jessica Hutson-Polakowski Reinhart Boerner Van Deuren, Sc contact info Mithun Mansinghani Lehotsky Keller Cohn LLP contact info Kevin Orsini Cravath, Swaine & Moore LLP contact info Antony Ryan Cravath, Swaine & Moore LLP contact info
Defendant KalshiEX LLC	Represented By Grant R. Mainland Milbank LLP contact info Karen Wong Milbank LLP contact info Victor Hollenberg Milbank LLP contact info Olivia S Choe Milbank LLP contact info Sarah Anne Zylstra Boardman & Clark LLP contact info Joshua Brooks Sterling Milbank LLP contact info
Defendant Kalshi Inc.	Represented By Grant R. Mainland Milbank LLP contact info Karen Wong Milbank LLP contact info Victor Hollenberg Milbank LLP contact info Olivia S Choe Milbank LLP contact info Sarah Anne Zylstra Boardman & Clark LLP contact info Joshua Brooks Sterling Milbank LLP contact info
Plaintiff Ho-Chunk Nation	Represented By Emily Marie Feinstein Quarles & Brady contact info Lester John Marston, I Rapport And Marston contact info Lester John Marston Rapport And Marston contact info Bryce Alexander Loken Quarles & Brady contact info Cooper Monroe DeMarse Rapport And Marston contact info Bryce A Loken Quarles & Brady, LLP contact info

GPO May 11 2026
OPINION and ORDER that:1) Defendants' motions to dismiss (dkt. #28 and dkt. #31) are GRANTED IN PART and DENIED IN PART. The motions are GRANTED with respect to plaintiff's claims under the Lanham Act and Racketeer Influenced and Corrupt Organizations Act. The motions are DENIED in all other respects.2) Robinhood Derivatives, LLC, and Robinhood Markets, Inc. are DISMISSED as defendants.3) Defendants' request for judicial notice of the Tribal-State Compact (dkt. #34) is GRANTED.4) Plaintiffs' motion for preliminary injunctive relief (dkt. #37) is DENIED. 5) The motion for leave to file amicus brief (dkt. #56) by various entities is GRANTED. Signed by District Judge William M. Conley on 5/11/2026. (voc)

Docket last updated: 8 hours ago

Tuesday, August 04, 2026
109		109 notice Notice of Appearance Tue 08/04 11:06 AM Notice of Appearance filed by Scott L Johnson for Plaintiff Ho-Chunk Nation. (Johnson, Scott) Related: [-]
Monday, August 03, 2026
108		108 notice Notice of Appearance Mon 08/03 2:00 PM Notice of Appearance filed by John Bursick for Plaintiff Ho-Chunk Nation. (Bursick, John) Related: [-]
107		107 notice Notice of Appearance Mon 08/03 1:26 PM Disregard. To be refiled. Modified on 8/3/2026 (nln). Related: [-]

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