Prohibition Against “Multi-Multi” Dependent Claims
For patent and utility model applications filed on or after April 1, 2022, multiple dependent claims that depend on another multiple dependent claim in the alternative (“multi-multi” dependent claims) are no longer acceptable in Japan. Upon examination, such multiple dependent claims are opposed to without being examined for novelty, inventive step, sufficiency, etc. You can […]
Grace Period after the 2018 Revision of Japanese Patent Act
Table of Contents: Basics of “Grace Period” in Japan Scope of “Grace Period” in Japan Comparison between Japan and the U.S. Statement and Proof required in Japan Conclusion Appendix: Detailed Comparison between “Exceptions to Loss of Novelty” in Japan and “Grace Period” in the U.S. Please download the PDF file for details.