A high-stakes legal showdown is brewing for President Donald Trump, as a woman who said he groped her has subpoenaed all documents from his campaign pertaining to “any woman alleging that Donald J. Trump touched her inappropriately.”

The subpoena — whose contents have not been previously reported — was issued in March but entered into the court file last month. The White House did not respond to a request for comment, nor did Trump’s attorney.

Summer Zervos, a former contestant on the Trump’s reality TV show The Apprentice, accused Trump of kissing and grabbing her when she went to his bungalow at the Beverly Hills Hotel in 2007 to discuss a possible job at the Trump Organization. After Zervos made the accusation last October, just weeks before the election, Trump denied her accusation and called it a lie.

She responded by suing him for defamation. As part of that suit, her lawyers served a subpoena on his campaign, asking that it preserve all documents it had about her.