"We are hopeful their engagement will provide further encouragement for Congress to take the steps necessary to create a regulated sports betting marketplace in the United States".
Currently, the federal Professional and Amateur Sports Protection Act (PAPSA) of 1992 bans all but four states - Nevada, Delaware, Montana and OR - from taking bets from gamblers on baseball, football, basketball and other sporting events. The court chose to accept the state's appeal even after the Trump administration urged the justices not to get involved.
Congress gave New Jersey a one-time opportunity to become the fifth state before the ban was enacted, but the state failed to pass a sports betting law in the required time window.
Last August, the en banc Philadelphia-based 3rd U.S. Circuit Court of Appeals had upheld the federal law, the Professional and Amateur Sports Protection Act, in the consolidated New Jersey cases.
The NCAA, NFL, NBA, NHL and Major League Baseball sued Christie in 2012 to keep his ink-stained gambling mitts out of their houses.
But the state has lost several legal battles to legalize sports wagering over the years.
The justices will review a federal appeals court's ruling a year ago that the 2014 New Jersey statute permitting sports betting at casinos and racetracks violated a 1992 federal law that prohibits such gambling in all states except Nevada, Delaware, Montana and Oregon.
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The justices say Tuesday they will review a lower court ruling against the state.
But the five major sports leagues are against it.
"This is the day that New Jersey has been waiting for for years", said Wallach, who has been closely following New Jersey's legal efforts to overturn the ban. But it has loosened restrictions on in-stadium casino advertising, and its teams have directly partnered with daily fantasy sports companies.
After a state referendum, New Jersey Gov.in 2014 signed a law to to allow sports betting in the state.
The issue in the two consolidated cases before the court is whether the federal law impermissibly commandeers the regulatory power of the states in violation of the Constitution's federal structure and the 10th Amendment, according to the cert petitions here and here (PDF). The NFL and National Hockey League are in Las Vegas now, after all - something that would have been unthinkable five years ago.
New Jersey state Sen.
Rep. Frank Pallone (D-6) said both Congress and the Supreme Court should respect New Jersey voters who chose to legalize sports betting.