A California Superior Court judge has struck down state regulations aimed at the cardroom industry, ruling that the Bureau of Gambling Control exceeded its authority by adopting rules that would have restricted table games licensed cardrooms have offered for decades. San Francisco Superior Court Judge Richard Darwin found the Bureau, a division of the California Department of Justice, lacked authority to impose the statewide restrictions through the challenged regulations, according to the California Gaming Association. The group said the decision confirms the Bureau is responsible for enforcing California gaming laws rather than rewriting them through administrative action. The ruling follows months of legal battles over regulations finalized in February that were scheduled to take effect in April. Earlier this year, Judge Darwin temporarily blocked enforcement while the lawsuit moved forward, finding the association was likely to succeed and that implementation could cause significant economic harm. The disputed rules targeted blackjack-style games and tightened requirements governing player-banked tables and third-party proposition player providers. Tribal gaming organizations had supported the changes, arguing they clarified existing law and …