California’s cardroom operators secured a significant legal victory on Thursday when a San Francisco Superior Court judge blocked state officials from implementing controversial new blackjack regulations that industry representatives warned could devastate their businesses.
Judge Richard Darwin granted a preliminary injunction preventing the state Bureau of Gambling Control from enforcing regulations that would have dramatically altered how traditional blackjack is played in cardrooms across California. The rules, which took effect on April 1 with enforcement scheduled to begin June 1, would have prohibited the current method of offering blackjack games that cardrooms have used for decades.
The central issue in the case revolves around which state agency possesses the authority to establish and modify gambling regulations. Darwin determined that the Bureau of Gambling Control, operating under the state Justice Department, exceeded its statutory authority when it attempted to implement the new rules.
“The structure of the Gambling Control Act is not a thing of beauty,” Darwin remarked during the proceedings, drawing laughter from those present. However, he emphasized that the legislation clearly does not grant the bureau the power it claimed to exercise in restricting or prohibiting specific games.
The disputed regulations would have fundamentally transformed how blackjack operates in cardrooms. Under the new rules, the traditional dealer role would be replaced by a “player-dealer” position that must be offered to other players at the beginning of each hand. This position would need to rotate among at least two different players every 40 minutes, or the game would be required to end. Furthermore, third-party proposition player services, which currently function as the house bank, would be prohibited from serving as player-dealer in consecutive rounds.
Attorney Sharon O’Grady, representing the Justice Department, maintained that her department holds the authority to determine which games can legally be played within the state. She argued that the bureau has the power to define what constitutes a “controlled” game, such as blackjack, and to ensure cardroom operations comply with state law.
Jeremy Kreisberg, representing the California Gaming Association, countered that the Legislature specifically granted rule-making authority to the California Gambling Control Commission, not the bureau. He noted that commission members are appointed by the governor and confirmed by the state Senate, providing a different level of oversight than the bureau, which operates under the attorney general’s office.
Kreisberg also pointed out that the games affected by the new regulations have operated with state approval for decades, and only recently have cardrooms faced this regulatory challenge.
The dispute reflects long-standing tensions between tribal casinos and cardrooms over banked games like blackjack. In traditional casino operations, the house serves as the bank, but California cardrooms employ third-party proposition players to fill this role. Tribal gaming interests have long contested this practice as illegal.
The preliminary injunction will remain in effect for a maximum of 45 days, expiring on July 5. Judge Darwin scheduled additional written arguments and another hearing for June 30 to further address the underlying legal questions.
Kyle Kirkland, president of the California Gaming Association, characterized the ruling as validation of the cardrooms’ position. “These regulations were driven by pressure from powerful tribal gaming interests that have long sought to eliminate lawful competition from California’s cardrooms,” Kirkland stated following the decision.
The ruling provides temporary relief for cardroom operators and their employees who faced potential job losses and business closures if the new regulations had been enforced. The decision allows cardrooms to continue offering traditional blackjack games while the legal challenges proceed through the court system.

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