Mathew Rosengart No Longer Working With Britney Spears After Helping to End Her Conservatorship

"It's been an honor to serve as Britney’s litigator and primarily to work with her to achieve her goals," the Greenberg Traurig partner says as he shifts focus toward other clients.

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Mathew Rosengart , a powerhouse litigator whose resume includes clerking for U.S. Supreme Court Justice David Souter and a stint as a Department of Justice trial attorney, has a stable of high-profile Hollywood clients like Steven Spielberg, Michael Mann, Sean Penn and Casey Affleck.

But it’s his work with Britney Spears in successfully freeing the pop superstar from a controversial, restrictive and highly scrutinized 13-year conservatorship that catapulted the Greenberg Traurig partner into something of a household name and globally recognized legal eagle. In a swift four months, from July to November 2021, Rosengart dove headfirst into the probate court case after being handpicked by the singer herself with one goal in mind — to free Spears from the arrangement that limited her rights and left all life decisions in the hands of a team led by her father Jamie Spears . Rosengart accomplished that on Nov.



12, 2021, when L.A. County Superior Court Judge Brenda Penny granted a petition to terminate the conservatorship.

Over the past three years, Rosengart remained on the case to settle loose ends while resolving an ongoing legal dispute with the singer’s father, Jamie Spears, over his attorney’s fees. The latter matter was resolved two months ago, bringing a quieter end to the entire ordeal but delivering an exclamation point nonetheless. There’s no active litigation at this time, Rosengart has said.

“As she desired, her freedom now includes that she will no longer n.