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Restrictions on Multiple-multiple Dependent Claims

On February 25, 2022, the Japan Patent Office published a notice regarding restrictions on multiple-multiple dependent claims.

The notice draws attention to the fact that after the law partially revising the Ordinance for Enforcement of the Patent Act and the Ordinance for Enforcement of the Utility Model Act comes into effect on April 1, 2022, multiple-multiple dependent claims will no longer be permitted.

The term "multiple-multiple dependent claim" indicates "a claim that alternatively depends from two or more other claims including one or more multiple dependent claims".

In addition, the JPO is providing a tool for detecting multiple-multiple dependent claims, which can be downloaded from its website.


https://www.jpo.go.jp/system/patent/shinsa/letter/multimultichecker.html













































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