‘This was a claim by Akebia Therapeutics Inc.(“Akebia”) and Otsuka Pharmaceutical Co. Ltd. (“Otsuka”) to revoke 6 patents held by FibroGen Inc. (“FibroGen”). The reason why they sought the revocation of those patents is that they wished to market their own product vadadustat. FibroGen’s exclusive licensee, Astellas Pharma Inc (“Astellas”) brought quia timet infringement proceedings against Akebia, Otsuka and FibroGen. The proceedings came on before Lord Justice Arnold between 2 and 19 March 2020. His lordship delivered judgment on 20 April 2020.’
NIPC Law, 5th May 2020
Source: nipclaw.blogspot.com
