Fish & Fish Ltd v Sea Shepherd UK and Others (The "Steve Irwin") - Supreme Court (Lord Neuberger PSC, Lord Mance JSC, Lord Kerr JSC, Lord Sumption JSC and Lord Toulson JSC) [2015] UKSC 10 - 4 March 2015

Tort - Accessory liability - Marine conservation charity alleged to have used vessel to attack claimant's bluefin tuna cages - Claimant suing US charity, UK charityand master of attacking vessel - Whether UK charity legally responsible for conduct of attack - Whether attack carried out pursuant to common design

The claimant farmed bluefin tuna off Malta. The second defendant, Sea Shepherd Conservation Society (SSCS), was a charity based in the USA which used “direct-action tactics ... to expose and confront” what it considered to be illegal activities on the high seas.