QCX, LLC v. Dana Nessel, et al
Plaintiff: QCX, LLC, dba Polymarket US
Defendant: DANA NESSEL, in her official capacity as Attorney General of Michigan, JIM ANANICH, in his official capacity as Board Chair of the Michigan Gaming Control Board, JONI M. THROWER DAVIS, in her official capacity as Member of the Michigan Gaming Control Board, ANDREW T. PALMS, in her official capacity as Member of the Michigan Gaming Control Board, DEIDRE A. LAMBERT-BOUNDS, in her official capacity as Member of the Michigan Gaming Control Board, MARK EVENSON, in his official capacity as Member of the Michigan Gaming Control Board and HENRY L. WILLIAMS, JR., in his official capacity as Executive Director of the Michigan Gaming Control Board
Case Number: 26-1552
Filed: June 25, 2026
Court: U.S. Court of Appeals, Sixth Circuit
Nature of Suit: Securities Commodities Exchg.
Docket Report

This docket was last retrieved on August 17, 2026. A more recent docket listing may be available from PACER.

Date Filed Document Text
August 17, 2026 Filing 15 APPELLANT BRIEF filed by Mr. Thomas Henderson Dupree, Jr. for QCX, LLC. Certificate of Service: 08/17/2026. Argument Request: requested. [26-1552] (THD) [Entered: 08/17/2026 11:11 PM]
July 8, 2026 Filing 14 TRANSCRIPT ORDER filed - no hearings held in District Court. Filed by Mr. Thomas Henderson Dupree, Jr. for QCX, LLC. Certificate of Service: 07/08/2026. [26-1552] (THD) [Entered: 07/08/2026 11:46 AM]
July 8, 2026 Filing 13 BRIEFING LETTER SENT setting briefing schedule: appellant brief due 08/17/2026, appellee brief due 09/16/2026. (ASM) [Entered: 07/08/2026 06:29 AM]
July 2, 2026 Opinion or Order Filing 12 ORDER filed Upon review, the omnibus motion is DENIED. These appeals will proceed in the normal course. The court is contemporaneously denying a motion seeking nearly identical relief in QCX, LLC, dba Polymarket US v. Nessel, No. 26-1552. The parties are advised that, upon the completion of principal briefing, this appeal will be submitted to the same panel for consideration on the same day as Polymarket US [ # 5 ]. Entered by order of the court. (JBO) [Entered: 07/02/2026 10:08 AM]
June 29, 2026 Filing 11 APPEARANCE filed for Appellees Mr. Jim Ananich, Mr. Mark Evenson, Ms. Deidre A. Lambert-Bounds, Dana Nessel, Mr. Andrew T. Palms, Ms. Joni M. Thrower Davis and Henry L. Williams, Jr. by Felepe H. Hall. Certificate of Service: 06/29/2026. [26-1552] (FHH) [Entered: 06/29/2026 02:27 PM]
June 29, 2026 Filing 10 RESPONSE in opposition filed regarding a motion to expedite briefing schedule, [ # 5 ]; previously filed by Mr. Thomas Henderson Dupree, Jr. for QCX, LLC, regarding a motion to expedite oral argument, [ # 5 ]; previously filed by Mr. Thomas Henderson Dupree, Jr. for QCX, LLC, regarding a motion to consolidate, [ # 5 ]; previously filed by Mr. Thomas Henderson Dupree, Jr. for QCX, LLC. Response from Attorney Ms. Lauren E. Fitzsimons for Appellees Mr. Jim Ananich, Mr. Mark Evenson, Ms. Deidre A. Lambert-Bounds, Dana Nessel, Mr. Andrew T. Palms, Ms. Joni M. Thrower Davis and Henry L. Williams, Jr.. Certificate of Service: 06/29/2026. [26-1552] (LEF) [Entered: 06/29/2026 01:22 PM]
June 29, 2026 Filing 9 APPEARANCE filed for Appellees Mr. Jim Ananich, Mr. Mark Evenson, Ms. Deidre A. Lambert-Bounds, Dana Nessel, Mr. Andrew T. Palms, Ms. Joni M. Thrower Davis and Henry L. Williams, Jr. by Lauren E. Fitzsimons. Certificate of Service: 06/29/2026. [26-1552] (LEF) [Entered: 06/29/2026 01:12 PM]
June 29, 2026 Filing 8 APPEARANCE filed for Appellant QCX, LLC by Patrick G. Seyferth. Certificate of Service: 06/29/2026. [26-1552] (PGS) [Entered: 06/29/2026 09:41 AM]
June 26, 2026 Filing 7 APPEARANCE filed for Appellant QCX, LLC by Derek J. Linkous. Certificate of Service: 06/26/2026. [26-1552] (DJL) [Entered: 06/26/2026 04:41 PM]
June 26, 2026 Filing 6 CIVIL APPEAL STATEMENT OF PARTIES AND ISSUES filed by Attorney Mr. Thomas Henderson Dupree, Jr. for Appellant QCX, LLC. Is this case a cross-appeal? No ; Has this case or a related one been before this court previously? Yes ; Case Name: KalshiEX LLC v. Schuler, No. 26-3196 (6th Cir. filed Mar. 11, 2026); KalshiEX LLC v. Orgel, No. 26-5235 (6th Cir. filed Mar. 23, 2026); Robinhood Derivatives, LLC v. Nessel, No. 26-1542 (6th Cir. filed June 23, 2026). , Please identify the party(ies) the appeal is being taken against: Mr. Jim Ananich, Mr. Mark Evenson, Ms. Deidre A. Lambert-Bounds, Dana Nessel, Mr. Andrew T. Palms, Ms. Joni M. Thrower Davis and Henry L. Williams, Jr. ; Issues: Whether the district court erred in denying a preliminary injunction when it determined that Polymarket US is not likely to succeed on the merits of its argument that the Commodity Exchange Act preempts Michigan's gambling laws as applied to event contracts traded on Polymarket US's exchanges; that Polymarket US will not be irreparably harmed by Defendants-Appellees' enforcement of state laws to designated contract markets; and that the public interest does not favor granting a preliminary injunction. . Certificate of Service: 06/26/2026. [26-1552] (THD) [Entered: 06/26/2026 10:58 AM]
June 26, 2026 Filing 5 MOTION filed by Mr. Thomas Henderson Dupree, Jr. for QCX, LLC to expedite briefing schedule, to expedite oral argument, to consolidate cases KalshiEX LLC v. Schuler, No. 26-3196; KalshiEX LLC v. Orgel, No. 26-5235; and Robinhood Derivatives, LLC v. Nessel, No. 26-1542. Certificate of Service: 06/26/2026. [26-1552] (THD) [Entered: 06/26/2026 10:03 AM]
June 26, 2026 Filing 4 CORPORATE DISCLOSURE STATEMENT. Name of Counsel: Thomas H. Dupree, Jr. ; QCX, LLC makes the following disclosure: 1. Is said party a subsidiary or affiliate of a publicly owned corporation? No 2. Is there a publicly owned corporation, not a party to the appeal, with a financial interest in the outcome? Intercontinental Exchange, Inc. (ICE) is a publicly traded company owning more than 10% of Blockratize Inc. Blockratize Inc. is the sole owner of QCX LLC Certificate of Service: 06/26/2026. [26-1552] (THD) [Entered: 06/26/2026 08:48 AM]
June 25, 2026 Filing 3 APPEARANCE filed for Appellant QCX, LLC by Jacob T. Spencer. Certificate of Service: 06/25/2026. [26-1552] (JTS) [Entered: 06/25/2026 07:55 PM]
June 25, 2026 Filing 2 APPEARANCE filed for Appellant QCX, LLC by Thomas H. Dupree, Jr.. Certificate of Service: 06/25/2026. [26-1552] (THD) [Entered: 06/25/2026 07:46 PM]
June 25, 2026 Filing 1 Civil Case Docketed. Notice filed by Appellant QCX, LLC. Transcript needed: n. (ASM) [Entered: 06/25/2026 08:58 AM]

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Search for this case: QCX, LLC v. Dana Nessel, et al
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Plaintiff: QCX, LLC, dba Polymarket US
Represented By: Jacob T. Spencer
Represented By: Derek Jeffrey Linkous
Represented By: Thomas Henderson Dupree Jr.
Represented By: Patrick Gerard Seyferth
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Defendant: DANA NESSEL, in her official capacity as Attorney General of Michigan
Represented By: Lauren E. Fitzsimons
Represented By: Felepe H. Hall
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Defendant: JIM ANANICH, in his official capacity as Board Chair of the Michigan Gaming Control Board
Represented By: Lauren E. Fitzsimons
Represented By: Felepe H. Hall
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Defendant: JONI M. THROWER DAVIS, in her official capacity as Member of the Michigan Gaming Control Board
Represented By: Lauren E. Fitzsimons
Represented By: Felepe H. Hall
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Defendant: ANDREW T. PALMS, in her official capacity as Member of the Michigan Gaming Control Board
Represented By: Lauren E. Fitzsimons
Represented By: Felepe H. Hall
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Defendant: DEIDRE A. LAMBERT-BOUNDS, in her official capacity as Member of the Michigan Gaming Control Board
Represented By: Lauren E. Fitzsimons
Represented By: Felepe H. Hall
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Defendant: MARK EVENSON, in his official capacity as Member of the Michigan Gaming Control Board
Represented By: Lauren E. Fitzsimons
Represented By: Felepe H. Hall
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Defendant: HENRY L. WILLIAMS, JR., in his official capacity as Executive Director of the Michigan Gaming Control Board
Represented By: Lauren E. Fitzsimons
Represented By: Felepe H. Hall
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