87.Annual renewal fees must be paid over the lifetime of a granted patent to keep the patent in force. When a patent is revoked, the payment of these renewal fees is unnecessary. For a European (UK) patent granted by the European Patent Office (“EPO”) which is then revoked during proceedings before the EPO Board of Appeal, it is possible to restore the patent following an appeal to the Enlarged Board of Appeal. However, while the appeal is considered, the patent remains revoked and annual renewal fees are not payable. If the appeal is successful and the patent is restored, the payment of annual renewal fees resumes but there has been legal uncertainty as to whether it is necessary to pay the outstanding renewal fees that would have been due while the appeal was being considered and the patent was considered as being revoked.
88.This paragraph clarifies the position by inserting a requirement for the payment of any such outstanding renewal fees where a European (UK) patent which has been revoked by the Board of Appeal is subsequently restored after a successful appeal to the Enlarged Board of Appeal.
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