Praxair Distribution, Inc. v. Mallinckrodt Hospital Products IP Ltd.

(United States Federal Circuit) – Affirming in part and reversing in part the inter partes review decision of the US Patent and Trademark Office Patent Trial and Appeal Bard holding claims for methods of distributing nitric oxide gas cylinders for pharmaceutical applications used in treating respiratory failure as unpatentable as obvious because, while the Board didn’t err as to most of the rulings, it did as to one.