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'Duffin' battle over the doughnut-muffin hybrid

9 October 2013 Last updated at 21:41 BST

The owner of Bea's of Bloomsbury said she was shocked to discover that one of her most popular products has now been trademarked by a supplier for the coffee giant Starbucks.

The product has been nicknamed the "duffin" - a cross between a doughnut and a muffin.

Tarah Welsh spoke to Bea's of Bloomsbury founder Bea Vo and Carrollanne Lindley, trademark attorney at Kilburn & Strode.

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