- Appeal challenges the ruling that Florida lacked jurisdiction over Mark Cuban and Dallas.
- The lawsuit centers on a Voyager sponsorship reportedly worth more than $25 million.
- A 2024 settlement removed three celebrity defendants after payments totaling $2.4 million.
Voyager Investors have appealed the dismissal of their lawsuit against Mark Cuban and the Dallas Mavericks. A notice filed Tuesday asks the Eleventh Circuit to review the December 2025 ruling that removed the remaining defendants from the case.
At the time, U.S. District Judge Roy K. Altman dismissed the claims after finding insufficient Florida-based contacts involving the defendants. The appeal also challenges his May 27 refusal to reopen the case.
Appeal Tests Florida’s Jurisdiction Over Cuban and Mavericks
The Florida court did not decide whether Mark Cuban or the Dallas Mavericks misled customers. Instead, Altman ruled that the plaintiffs had not shown why a Florida court could exercise authority over them.
Basically, a jurisdictional dismissal determines whether a court can hear a dispute, rather than whether the underlying allegations are valid.
The original complaint, Robertson et al. v. Cuban et al., was filed in August 2022. Voyager sought Chapter 11 bankruptcy protection one month earlier.
Voyager described its crisis as a short-term “run on the bank.” The company also cited Three Arrows Capital’s default on a $650 million loan.
Voyager Promotion Claims Move to the Eleventh Circuit
The complaint centers on an October 27, 2021, Mavericks press conference where Cuban said he had personally invested through Voyager. The Dallas franchise also held a sponsorship agreement reportedly valued at above $25 million.
Voyager Investors argues that those endorsements encouraged retail customers to use the platform without adequate explanations of the risks. Their lawsuit alleges securities-law and consumer-protection violations connected to customer losses.
However, the present appeal does not ask judges to decide whether those claims are proven. It asks whether the Florida case should have survived the jurisdictional challenge. A favorable appellate ruling could return the dispute to the district court for further proceedings.
The filing also seeks review of related interlocutory orders folded into Altman’s decisions. Several celebrity defendants previously left the litigation through settlement. Rob Gronkowski, Victor Oladipo, and Landon Cassill agreed to pay investors $2.4 million in 2024.
That settlement left Mark Cuban and the Dallas Mavericks as the only remaining defendants. The Eleventh Circuit will now consider whether the claims against them may continue in Florida.
Related: 3 American Celebrities Agree to Pay $2.42M in Voyager Lawsuit Settlement
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