In Amerigen Pharmaceuticals Limited v. UCB Pharma GmbH, [2017-2596] (January 11, 2019), the Federal Circuit claims affirmed the PTAB’s determination that claims 1–5 and 21–24 of U.S. Patent 6,858,650 on an antimuscarinic drug marketed as Toviaz® to treat urinary incontinence … Continue reading Working Backwards with the Benefit of Hindsight, Does not Render Compound Obvious