Add2 Research and Development Ltd V Dspace Digital Signal Processing & Control Engineering GmbH

Abstract

H1 Patents — European Patents — Automotive simulation circuitry — Validity — Infringement — Secondary Infringement — Means essential — Construction — Common general knowledge — Mindset — Obviousness — Insufficiency — Amendment — Added matter — Statutory defence to damages and/or profits under s.62(3) of the Patents Act 1977 — Ownership — Assignments without consideration — Whether assignment ultra vires as an unlawful distribution — Effect of later confirmatory assignment — Pre-action conduct