Kesha performance
Kesha has accused Dr Luke of sexual assault Angela Weiss/Getty

Kesha has demanded that a judge seal her medical records as her ongoing legal dispute with former mentor Dr Luke continues. The 29-year-old singer fears that the producer, who she accused of sexually assaulting her, will use her gynaecological, psychiatric and rehabilitation issues to discredit her.

In February, Kesha lost a bid to end her contract with the music producer after Manhattan Supreme Court Judge Shirley Werner Kornreich refused to let her walk away from a six-album deal with Sony. Dr Luke, who has worked with the likes of Britney Spears and Katy Perry, has always maintained his innocence, describing the allegations as "defamatory" – claiming they have been contrived in an attempt to obtain a new recording contract.

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According to Buzzfeed, Gottwald's legal team is refusing to keep confidential the 913 pages of medical records for the TiK ToK hitmaker that they were given access to during the trial.

"Gottwald, who is purported to be worth an excess of $100m (£81m), has made clear his intent to make the litigation as expensive as possible for the single defendant Ms Sebert who is currently unable to publish music without Gottwald's involvement," court documents state. "Gottwald's strategy in the litigation has been to subject Ms Sebert to extreme embarrassment and harassment going as far as to raise questions in depositions regarding whether Ms Sebert is 'sexually aggressive'."

However, Gottwald's lawyer, Christine Lepara, argues that the Los Angeles native's waived her right to protect her medical records by "publicly disclosing details of her alleged medical diagnoses and treatments" in an effort to support her allegations against Dr Luke.

"Because Kesha made public accusations and in the case that she was allegedly harmed by Dr Luke, the court ordered her to produce her medical records,"Gottwald's team said. "Now, Kesha wants to hide her records, while continuing to make self-serving, selective and misleading statements to hurt my client's publicly. Our position is that the court – and not Kesha's lawyers – should decide whether Kesha's medical information remains confidential given her public disclosures."

A hearing is scheduled for 26 October.

Timeline of Kesha / Dr Luke drama

October 2014 − Kesha launches a lawsuit against the top music producer after accusing him of rape, sexual, verbal and emotional abuse.

December 2015 − Fans launch #FreeKesha campaign with petition asking Sony to release her from a contract that forces her to work alongside Dr Luke.

Dr Luke denies the allegations, stating: "All of their horrific allegations of abuse, threats and other purported misconduct by me against Kesha are completely untrue and deeply hurtful."

February 2016 − She loses her bid to end her contract with the music producer after Manhattan Supreme Court Judge Shirley Werner Kornreich handed down a ruling refusing to let her walk away from a six-album deal with Sony.

Days later, superstar Taylor Swift donated $250,000 (£176,000) to the singer to help with her financial troubles.

April 2016 − The Tik Tok hitmaker hints in an Instgram post that she was offered her freedom from Sony if she publicly apologised and recanted her rape allegations against Dr Luke.

May 2016 − Kesha apologises to her fans after being 'banned' from performing a cover of Bob Dylan's song It Ain't Me Babe at the Billboard Music Awards 2016. She later performs it onstage with Ben Folds in LA.

August 2016 − Kesha drops assault claims against Dr Luke in Los Angeles, but not New York