http://www.number-10.gov.uk/output/Page11077.asp
<quote> We [The Prime Minister's Office, UK] received a petition asking:
"We the undersigned petition the Prime Minister to make software patents clearly unenforcible." ... ...
The Government remains committed to its policy that no patents should exist for inventions which make advances lying solely in the field of software. Although certain jurisdictions, such as the US, allow more liberal patenting of software-based inventions, these patents cannot be enforced in the UK. ... ... </quote>