Abstract

Abstract H1 Patents – European Patents – Pharmaceuticals – Tadalafil – Dosing regimens – Revocation – Obviousness – Obvious to try – Fair expectation of success – Relevant factors – Dose ranging studies – Routine tests – Whether permissible to take into account information not available at priority date – The “patent bargain” – The “problem-and-solution” approach – Role of the appellate court – Appeal to Supreme Court

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