Taylor Swift fans will get their day in court on Monday, months after the botched release of tour tickets prompted widespread outcry.

A federal court in Los Angeles will hear arguments in a case brought by fans who allege that Live Nation — and subsidiary company Ticketmaster — violated antitrust and consumer protection laws.

The fall release of tickets for Swift's Eras Tour, her first tour in five years, prompted government scrutiny of antitrust laws, including a Senate hearing in January at which Live Nation President and Chief Financial Officer Joe Berchtold apologized for the fiasco.

The lawsuit, filed in December 2022, claims that the 2010 merger of Live Nation and Ticketmaster illegally stamped out competition in live event ticketing, allowing the company to charge exorbitant prices for tickets.

In a court filing last month, Live Nation tried to end the court proceedings and force the dispute into private arbitration, claiming that ticket buyers had agreed on multiple occasions over the course of online shopping to resolve any claims through arbitration.

Live Nation and Ticketmaster did not immediately respond to ABC News' request for comment.

"We are not going to just settle," Julie Barfuss, a lead plaintiff, told Good Morning America. "We want to see some change."

Swift fans are expected to hold a rally outside the courthouse on Monday.

Days after the tickets were released in November, Swift spoke out about the difficulties ticket purchasers faced.

"There are a multitude of reasons why people had such a hard time trying to get tickets and I'm trying to figure out how this situation can be improved going forward," she said.

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