Soei Patent & Law Firm is a Japanese patent, trademark, design and law firm supporting engineers, inventors and designers creating valuable intellectual property.

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2022.05.17
IP NEWS

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 […]
2018.06.13
IP NEWS

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.

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