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Fed. Circ. Revives MSN Challenge To Bausch IBS Drug Patent

By Nadia Dreid ( June 20, 2025, 8:11 PM EDT) -- The Federal Circuit has instructed the Patent Trial and Appeal Board to take another crack at evaluating the validity of a drug patent owned by Bausch Health Ireland Ltd., holding that the PTAB's initial decision lacked the detail needed to determine whether it was right or wrong....

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