M-Systems Flash Disk Pioneers Ltd v Trek 2000 International Ltd

摘要

H1Patent—Revocation—Proceedings before Comptroller—Novelty—Inventive step—Insufficiency—Matter in patent extending beyond that in application—Amendment—Revocation ordered—Appeal to Patents Court—Construction of claims—Whether amendments added matter—Claim construction in appellant's favour in foreign jurisdiction—Whether issue estoppel—Whether issue raised timeously—Whether identity of issues in foreign and current proceedings—Whether error in exercise of discretion to refuse amendments