The Swedish investigation may well expire (parts have already). This has never really been about the Swedish charges.
The English charges (relating to failing to comply with bail) do not expire. Very few offences in English law expire - something I'm sure will surprise Americans who are used to relatively short statute of limitations on even some serious crimes (e.g. the Bill Cosby sexual assault allegations). England routinely prosecutes and jails people for alleged offences 50 & 60 years ago; many are elderly men in their 80's & 90's with little chance of mounting any sort of defence due to their age, but that's another issue.
Arrange cannot wait out the English charges and England is well documented as an enthusiastic participant in torture and rendition of both it's own citizens and foreign nationals. The UK-US extradition treaty is a shocking travesty of justice and is routinely used to send people from the UK to the US for activity carried out in the UK and considered lawful in the UK but which has upset US authorities. [1]
He has good reason to remain in the Embassy. Unfortunately he's likely to be there for many years to come and either be grabbed when he requires hospital treatment at some point in the future, or, the UK will decide it can live with some diplomatic protests and expulsion of UK diplomats after sending the SAS in to grab him from the embassy and hand him over to the US.
[1] http://www.bbc.com/news/uk-scotland-tayside-central-14339901
Don't know about Sweden, but in the U.S. the statute of limitations is not granted to those fleeing from the law.
> No statute of limitations shall extend to any person fleeing from justice.
- 18 U.S.C 3290 (https://www.law.cornell.edu/uscode/text/18/3290):
https://en.m.wikipedia.org/wiki/Extraordinary_rendition#Swed...
When the US barks, Europe rolls over.
New Zealand is just as much a lapdog of the USA as Sweden, and Dotcom actually has had charges laid.
I don't like the guy, but let's not lie about it.
This doesn't sound like something a lapdog would do (February 2016): http://www.radionz.co.nz/news/national/296076/us-requests-fa...
Lawyers for the US were at the High Court in Auckland today, where they asked Justice Asher to give the appeal priority and set an early date for the hearing.
Justice Asher declined that request but set a date for August.
On the other hand, insisting that superfluous assurances are made by bodies that don't have any legal authority to make them is a very good excuse for not going anywhere.
Sweden's government can't give any assurances beforehand, since every case must be judged independently. Sweden can't extradite Assange anywhere after he's been extradited to Sweden from the UK without the UK's permission [0, 1]. If the US needs Sweden and the UK to cooperate, why wouldn't they just ask the UK from the start, who's a much closer allied?
[0] http://jtl.columbia.edu/wp-content/uploads/sites/4/2015/04/F...
[1] http://edition.cnn.com/2010/US/12/07/wikileaks.assange/index...
The laws are created by those in power to serve those in power. They do not stand on their own, because they are enforced by cops, lawyers and judges, who are people. These people choose to enforce the law based on the situation at hand, and this can lead to a large disparity in outcomes given technically similar cases.
Assange and Snowden will both rot in Guantanamo the second they leave their safe houses. If you think otherwise, you are absurdly naive to the geopolitics of the world we live in.
You state that Sweden can't extradite him to the US. Given the fact that most of the laws created in most western countries (ranging from tax law to civil law) are often not extremely well defined (or frankly not even well thought out / put together), and can often easily be interpreted in very different ways by different judges, I can totally understand his point of view.
At the end of the day, as long as Ecuador doesn't kick him out, all he has to do is wait for the statute of limitations to expire. He's got leverage. If Sweden really wanted a solution to this, they would've done this years ago.