2018(Ne)10065

Confirmation of the non-existence of right to demand compensation for damages based on patent right

[Key issue] International jurisdiction and benefit of action (Article 3-2, paragraph (3), Article 3-3, item (viii), Article 3-6, Article 3-9, Article 38, first half of the Code of Civil Procedure)

A case in which, with regard to a claim for confirmation of the non-existence of right to demand compensation for damage based on a patent right between the parties concerned including foreign corporations among both the appellants/appellees, the jurisdiction of the Japanese courts is acknowledged and then, the action was dismissed since the change of the action of adding the product to be the target of the action is not allowed, and the action lacks benefit of action and is illegal.