A judge has refused to grant legal anonymity to Julian Assange’s partner after hearing claims the US had tried to obtain their children’s DNA.

Representatives of the Wikileaks founder submitted evidence to Westminster Magistrates’ Court claiming that American agencies had expressed interest in testing nappies discarded when Mr Assange’s partner and children visited him at the Ecuadorian embassy.

District Judge Vanessa Baraitser found that, even if the allegation were true, there was no reason to believe US agencies meant to harm his young family.

She referred to the claim while rejecting the bid to anonymise Mr Assange’s partner, who the court heard wishes to live “quietly” with her young children away from publicity.

Following a submission by the Press Association news agency to the court, Judge Baraitser ruled that the woman’s right to a private family life was outweighed by the need for open justice.

Key moments for Julian Assange Show all 9 1 /9 Key moments for Julian Assange Key moments for Julian Assange The situation today Assange was arrested after Metropolitan Police officers were invited into the Ecuadorian embassy on April 11 2019. How did it come to this? Ruptly TV Key moments for Julian Assange The break Assange shows the front page of the Guardian on July 26 2010, the day that they broke the story of the thousands of military files leaked by WikiLeaks AFP/Getty Key moments for Julian Assange Wanted A warrant for Assange's arrest was issued in August 2010 for counts of rape and molestation in Sweden AFP/Getty Key moments for Julian Assange Ruling The UK's Supreme Court ruled in 2012 that Assange should be extradited to Sweden to face trial Getty Key moments for Julian Assange Sanctuary Following the ruling, Assange was given asylum by the Ecuadorian governement over fears that his human rights would be violated if he were extradited, he has since remained in the embassy in London Getty Key moments for Julian Assange A friend in Pam Friend Pamela Anderson delivers lunch to Assange at the embassy in October 2016. She has since spoken against his arrest Getty Key moments for Julian Assange Arbitrarily detained A UN panel found in 2016 that Assange had been arbitrarily detained and that he had not been able to claim his full right to asylum. It urged Sweden to withdraw the charges against him Getty Key moments for Julian Assange The cat ultimatum Last year, the Ecuadorian embassy threatened to revoke Assange's internet access unless he stopped making political statements online and started taking better care of James, his pet cat. Assange accused Ecuador of violating his rights Reuters Key moments for Julian Assange Arrest Assange was arrested on April 11 2019. Ecuador revoked his asylum status and invited the Metropolitan Police in to the embassy to arrest him. Reuters

But the judge delayed making the woman’s identity public until 4pm on 14 April, pending a possible judicial review at the High Court.

Mr Assange was previously denied bail amid concerns over the spread of coronavirus in British jails, and the application had been supported by the unnamed woman.

The 48-year-old is being held on remand at HMP Belmarsh, in south-east London, ahead of an extradition hearing on 18 May.

During the virtual hearing, the judge also rejected a bid to delay the hearing because of the coronavirus crisis.

Mr Assange’s barrister, Edward Fitzgerald QC, said there were “insuperable” difficulties preparing his case because of the pandemic, and requested an adjournment until September.

He told the court that he had not been able to see Mr Assange in jail and could see “no viable” way his client could be present in court to hear witnesses.

On Mr Assange’s mental state, he told the judge: “There are difficulties of the pandemic with the defendant himself. You are aware … he has well documented problems of clinical depression.”

Mr Assange’s treatment was on hold during the lockdown and he had been unable to see his family.

Mr Fitzgerald said: “In those circumstances, in his vulnerable condition, to force him to enter a full evidential hearing in May, we respectfully submit it would be unjust. We respectfully submit it would be oppressive.”

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He stressed it was an “exceptional circumstance”, adding: “This is not a case where second best will do, where we should just try to muddle through. The difficulties are insuperable in the current crisis.”

Ruling against him, Judge Baraitser said the extradition hearing was still five weeks away and it was expected courts would resume in a fortnight despite the continuing lockdown.

She added: “I cannot assume the courts will not be operating normally by then.

“Mr Assange is in custody and there is some urgency of this case being heard to its conclusion.”

If there was a need for a third and final hearing after the hearing on 18 May, it will be held in July.

Mr Assange is fighting extradition to the US, where he would face 17 charges under the Espionage Act and conspiracy to commit computer intrusion, over the publication of hundreds of thousands of classified documents in 2010 and 2011.

He has been held in custody since being arrested at the Ecuadorian embassy in London almost exactly a year ago.

He sought asylum there in 2012 while wanted under a European Arrest Warrant for interview in a Swedish rape investigation which has since been dropped.