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Otsuka Pharmaceutical Co Ltd v Sun Pharma ANZ Pty Ltd [2025] FCAFC 161, Australia

Back Date of Judgment December 1, 2025 Issuing Authority Full Court of the Federal Court of Australia Level of the Issuing Authority Appellate Instance Type of Procedure Judicial (Civil) Subject Matter Patents (Inventions) Plaintiff/Appellant Otsuka Pharmaceutical Co., Ltd Defendant/Respondent Sun Pharma ANZ Pty Ltd Keywords
Validity, claims limited by result, clarity, claims defining the invention, extension of patent term, pharmaceutical substance, formulations, active pharmaceutical ingredient, active substance
Judgment/Decision English Otsuka Pharmaceutical Co Ltd v Sun Pharma ANZ Pty Ltd [2025] FCAFC 161  PDF Relevant Legislation WIPO Lex No. AU123-j