PTAB Upholds Pozen Patent In Kyle Bass Challenge

The Patent Trial and Appeal Board on Tuesday upheld the validity of a patent on Pozen Inc.’s arthritis and ulcer drug Vimovo in an inter partes review requested by the Coalition for Affordable Drugs, an organization started by hedge fund manager Kyle Bass.

In a final decision, the PTAB said the coalition failed to show that Pozen’s patent would have been obvious at the time of the invention. The patent covers a method of treating patients at risk of developing an ulcer due to the use...

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