Live Nation Entertainment Inc.’s Ticketmaster was so dominant in the US live concert business that rival SeatGeek Inc. was offering arenas “retaliation insurance” for any events they lost by switching ticket sellers, according to testimony at a landmark antitrust trial.

The Federal Circuit revived a patent dispute against Microsoft Corp.'s cloud platform Azure by reversing the tech giant’s summary judgment win while reversing a Texas federal judge’s decision to exclude opposing damages testimony.

Verrica Pharmaceuticals Inc. investors can proceed as a class in their suit over allegedly concealed ongoing drug production problems that delayed FDA approval, a federal court ruled.

Google LLC’s deal to pay $135 million to settle a proposed class action alleging it illegally consumes the cellular data consumers have purchased from their providers was preliminarily approved by a federal court.

A former Madison Square Garden Entertainment Corp. employee sued the company for failing to protect personal information of approximately 130,000 current and former employees that was exposed in a data breach targeting Oracle Corp.'s E-Business Suite software.

Comerica Bank escaped a proposed class action alleging it illegally withheld interest on accounts maintained for recipients of Social Security and other federal benefits.