News
JPO Status Report 2026
The Japan Patent Office (JPO) has issued the “Status Report 2026,” which presents statistical data and policy outcomes for 2025. We have i
03/24/2026
The Blog.
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Japanese patent practice tip
Recent Trends Concerning Disclaimers (Negative Limitations) in Japan
Recent Trends Concerning Disclaimers (Negative Limitations) in Japan: Background; Previous Trends; Recent Trends; and Future Practice. Recent Trends
01/29/2026
Japanese patent practice tip
Exceptions to Lack of Novelty of Invention Requirement for PCT National Phase Application in Japan
Overview: There is a regulation in Japan concerning exceptions to lack of novelty (12-month grace period); The regulation applies to a PCT national ph
12/28/2025
News
Trends in Japanese patent applications – JPO Annual Report 2025
The Japan Patent Office (JPO) released its annual report for 2025, which discusses recent Japanese intellectual property trends. We have selected topi
07/30/2025
News
AIPPI World Congress | Yokohama 13-16 September
2025 AIPPI World Congress | Yokohama 13-16 September As you may know, the 2025 International Association for the Protection of Intellectual Property (
06/13/2025
Japanese Patent Law Revision
Restriction of Multiple-Multiple Dependent Claims [Update on March 9, 2025]
Overview: For applications filed on or after April 1, 2022, “Multiple-Multiple Dependent Claims”* are restricted in Japan. *Please note that the JPO
03/09/2025
Japanese patent practice tip
Who should sign a Power of Attorney document to be submitted to the Japan Patent Office?
Signatory of Power of Attorney in Japan: Previous Practice; Recent Problems; and New Practice. Who should sign a Power of Attorney document to be subm
01/30/2025
Japanese patent practice tip
Recordal of Assignment of Pending Application/Registered Patent in Japan
Overview: Please be aware that the documents and costs required to record an assignment of a patent application or a registered patent before the Japa
07/04/2024
News
Trends in Japanese patent applications – JPO Annual Report 2024
The Japan Patent Office (JPO) released an annual report 2024 on the recent situation of Japanese intellectual property trends. We have picked up some
04/14/2024
Japanese Patent Law Revision
Non-disclosure of Patent Applications in Japan
Overview: On or after May 1, 2024, procedures such as application publication, decision to grant, and decision of rejection will be withheld for paten
03/24/2024
Japanese patent practice tip
New Digitization Procedures in Japan – Submission of Priority Document
Overview: On or after January 1, 2024, even if a DAS code is not available, it is no longer necessary to file a certified copy of priority document wi
01/17/2024
Japanese patent practice tip
New Digitization Procedures in Japan – Electronic Copy of Patent Certificate
Overview: On or after April 1, 2024, several documents, including a Certificate of Patent and a Certificate of Trademark Registration, will be availab
12/29/2023
News
Trends in Japanese patent applications – JPO Annual Report 2023
The Japan Patent Office (JPO) released an annual report 2023 on the recent situation of Japanese intellectual property trends. We have picked up some
07/26/2023
Japanese patent practice tip
Suspension of Examination for Divisional Application [Update on April 1, 2024]
Suspension of Examination for Divisional Application filed after Decision of Rejection against Parent Application: Overview: For a divisional applicat
03/18/2023
Topics
Abolition of Second Part Fee for International Trademark Registrations
Overview: The JPO will change the payment of individual fees for international trademark registrations from a “two-step” remittance to a “lump-sum” re
03/03/2023