Delta Air Lines Inc., the world's second-biggest carrier, won the dismissal of a Virgin Atlantic Airways Ltd. U.K. lawsuit over a patent for flat-bed seats.

Virgin, the long-haul carrier controlled by billionaire Richard Branson, sued Atlanta-based Delta in 2008 over claims that its seats, designed by Premium Aircraft Interiors Group Ltd., infringed Virgin's patent. The British carrier “has no real prospect of establishing infringement,” Judge Richard Arnold in London said in a judgment today.

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