BackDate of JudgmentDecember 22, 1972Issuing AuthoritySupreme Court of CanadaLevel of the Issuing AuthorityFinal InstanceType of ProcedureJudicial (Administrative)Subject MatterPatents (Inventions)Plaintiff/AppellantTennessee Eastman Company, a division of Eastman Kodak Company: Eastman Kodak Company and Ethicon, Inc.Defendant/RespondentThe Commissioner of Patents Keywords