Abstract

H1 Patents — European patents — Revocation — Infringement — Cochlear implants — Common general knowledge — Construction — Amendment — Technical contribution — Infringement on normal construction — Doctrine of equivalents — Indirect infringement — Means relating to an essential element — Staple commercial product — Means suitable for putting invention into effect — Spare parts — Right to repair — Replacement headsets and batteries — Knowledge — Validity — Obviousness — Hindsight — Long-felt want

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