"It has not confirmed or denied whether charges against Julian Assange exist, which is what the plaintiff seeks to learn through this application," the document stated.
The government said it was not obligated by the US Constitution or US common law to admit whether criminal charges against Assange exist. Moreover, federal prosecutors said they would rather conceal any possible charges as they would not want to undermine the legal process or allow persons involved in any case to destroy evidence or escape.
READ MORE: US Determined to Get Assange, So His Prospects Look Pretty Bleak — Activist
Earlier in November, WikiLeaks said that US authorities inadvertently revealed the existence of sealed criminal charges against Assange, citing a filing in an unrelated case that used Assange's name in an "apparent cut-and-paste error."