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 […]
[IP Case Summary: Japan-Patent]2020 (Gyo-Ke) No. 10123-Intellectual Property High Court (October 7, 2021)
“Fuel Cell System” Overview: The Intellectual Property (IP) High Court overturned a decision rendered by the Board of Examiners of the Japan Patent Office (JPO) to maintain the rejection of an application on the grounds that the claimed subject matter would have been easily achieved. Main Issue: Whether or not the “short-circuit control circuit” of […]
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.