The US Department of Justice’s antitrust division has urged the Supreme Court not to hear White & Case LLP’s bid to force a decision on whether federal criminal subpoenas trump protective orders in civil cases.

A group of 32 state attorneys general have told the US Supreme Court that they need clarification on the legality of pay-for-delay pharmaceutical settlements - which only the high court can provide.

The US Supreme Court will not hear the appeal of four record companies accused of fixing the price of online music, sending the case back to district court to begin preparation for trial.

Antitrust specialists say a high-profile Supreme Court case may pave the way for more class participation in antitrust lawsuits that go to arbitration.

The American Antitrust Institute has filed a brief asking an appeals court to overturn a lower court ruling and restart the long-running Leegin resale price maintenance case.

A US district court in Seattle has dismissed an antitrust suit brought by purchasers of cargo services against shipping companies accused of price fixing, finding that the plaintiffs had failed to state a claim.

The US Supreme Court has agreed to hear arguments in an antitrust lawsuit accusing AT&T of using its dominant position to squeeze smaller internet service providers out of the market.

The US Supreme Court has accepted two more antitrust cases - meaning by the end of this term it will have heard four.

The Supreme Court of the United States heard arguments on 14 October in Verizon Communications Inc v Law Offices of Curtis V Trinko, widely seen as a landmark antitrust case. Trinko is a class action against telephone company Verizon which was launched by New York lawyer Curtis Trinko. The Supreme Court has not yet announced a decision date.