"Early this year, the UK passed modifications to ban extradition without charge, to insist on if you want to speak with someone you have to come to the UK or charge them. You can't just say, 'I want to speak to that person and I am not willing to use any standard mechanisms.'"
Meanwhile, the situation has also been changing in Sweden, with general elections taking place over the weekend. According to Assange, there is a shift in attitude there, which could mean a significant change for him as early as next year.
"The Swedish election was on Sunday. We don't know yet what the formation of the government will be. It will probably be a center-left government. And there is attitude changes there. We have appeal in Sweden in just two weeks' time."
Assange filed an appeal against a Swedish warrant for his arrest earlier in September. His lawyers are arguing that the prosecutors are acting "in gross breach of Swedish law."
"We argue against the district court's decision and believe they do not properly take account of the situation," said Assange's Swedish attorney, Thomas Olssen, according to Swedish daily Svenska Dagbladet.
READ MORE: Julian Assange lodges appeal against Swedish arrest warrant
The WikiLeaks founder is wanted for questioning in Sweden, for allegedly sexually assaulting two women in Stockholm in 2010.
Assange denies the allegations, but will not travel to Sweden to be questioned because he says the charges are politically motivated for his work with WikiLeaks and he will be extradited to the US. WikiLeaks enraged Washington by publishing thousands of leaked diplomatic cables in 2010.
Meanwhile, Assange has released a new book titled "When Google Met WikiLeaks." In the book, the WikiLeaks founder describes his vision for the future of the internet and recounts a meeting with Google chairman Eric Schmidt in 2011.
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