The case could reach the UK Supreme Court in London, if appeals go ahead. The higher up the appeal process you go, the longer it takes for a court date, meaning an appeal could run on for years, according to Bloomberg.
The presiding judge said that the Swedish extradition warrant was valid 'on the face of it', but the witnesses Assange's legal team put forward were poor, not credible and 'fed responses', according to BBC sources.
The judge also said that Assange had not made himself available for questioning in Sweden, though it was not for him to decide whether Assange had deliberately fled, and that he has 'no doubt' that Assange is wanted in Sweden for prosecution,
Assange is wanted for questioning, not a trial in Sweden, to answer questions relating to two events which occurred in Sweden last year.
The argument put forward by Assange's lawyers is that the European Arrest Warrant was invalid as the Wikileaks founder not only has not been charged with any offence, but that rape and sexual assault are not grounds for extradition.
One of the main concerns for Assange is that he will not receive a fair trial in Sweden, and that the US authorities will attempt to extradite him to face trial relating to his work with Wikileaks.
The UK would have to be asked permission to extradite him further to the United States, however. Assange himself argued that it would be 'politically impossible' for the UK to give permission to extradite him to the US on charges of espionage.