“…In Generics (UK) Ltd v Yeda Research & Development Co Ltd [2013] EWCA Civ 925, [2014] RPC 4 the patent concerned an improved composition of a synthetic mixture of polypeptides known as copolymer-1. Mylan attacked the validity of the pate…”
“…With the substitution of “uncertain” for “ambiguous” I agree. This court approved this passage on the appeal from Arnold J: [2013] EWCA Civ 925 at [193] where Floyd LJ also said:…”