We will introduce case studies regarding pharmaceutical use inventions.
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Summary of the incident
Case type: Cancellation of decision (invalidated/established)
Name of invention, etc.: Forearm fracture prevention agent containing eldecalcitol
Case number: Reiwa 3 (Gyo-Ke) No. 10066
Date of trial: December 13, 2022
Judgment: Claim dismissed (invalidation decision upheld → invalidity confirmed)
Plaintiff: Chugai Pharmaceutical Co., Ltd.
Defendants: Sawai Pharmaceutical Co., Ltd., Nichi-Iko Pharmaceutical Co., Ltd.
