Fujifilm Kyowa Kirin Biologics Co. Ltd v Abbvie Biotechnology Ltd (a company incorporated under the laws of Bermuda) and another

Patent – Petition for revocation. The Court of Appeal Civil Division, in two joined appeals, answered several issues, including whether a court could properly grant declarations that a product was old or obvious in patent law terms at a particular date or whether such declarations were precluded by s 74 of the Patents Act 1977, because they put the validity of a patent in issue.

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