The UK already has SOPA.

United Kingdom internet service providers must block The Pirate Bay, that nation’s High Court said Monday.

Most people in the UK don't really understand this. It did not come about because of legislation pushed by the Copyright Power. It started as an anti-child pornography measure. The scope creep to copyright occurred this summer as a consequence of a court decision.

British ISPs Ordered to Block The Pirate Bay | Threat Level | Wired.com