OPTIS CELLULAR TECHNOLOGY LLC v APPLE RETAIL UK LTD (TRIAL B)

Abstract

H1 Patents — European Patents — Telecommunications — Standards essential patents — Infringement — Essentiality — Validity — Common general knowledge — Construction — Scope of Protection — Anticipation — Anticipation by equivalence — Obviousness — Workshop modifications — Proprietary estoppel — Acquiescence —”Inaction or silence — Reliance — Detriment — Telecommunications standards development processes and procedures — ETSI IPR policy — Construction — French law — Timing of declarations of essentiality — “Patent ambush” — Bona fide purchaser for value without notice