This is an image of media mogul Oprah Winfrey

Did TV star ignore results of a trademark search before adopting slogan for media venture? ... »

This is an image of Florentijn Hofman's sculpture Rubber Duck

Original work is poultry in motion, but do fakes show that Chinese design protection is quacking up? ... »

This is an image of the World of Warcraft logo

The market for pixel-crafted products in online communities has become an economic powerhouse. But who really owns them ... »

This is an image of a computerised face

A major software patents case and an academic article have stirred questions over the scope of patentability in the US. ... »