Regulatory insight: Tadalafil UKSC decision – evolution of the multi-factorial approach
The Supreme Court unanimously dismissed an appeal from the Court of Appeal in Actavis Group PTC EHF & Ors v ICOS Corporation & Anor, upholding its decision that a patent relating to the use of tadalafil in a 1 to 5mg dosage form is invalid for lack of inventive step.…