Japan National Phase Entry

Q&A: Multi-Multi Claims in Japanese Patent Applications

1. What is a “Multi-Multi Claim”? “Multi-multi claim” means “any dependent claim that refers to more than one other claim in the alternative (‘multiple dependent claim’) which depends from any other multiple dependent claim”.[1] A multi-multi claim hence exponentially increases…
Read more

New Rule, April 2023: Reinstatement for Patent Applications to Meet “Unintentional” Instead of “Due Care” Standards

April 1, 2023 marks an important shift for those who might realize, with dread, that a key patent deadline in Japan has been missed. The standard for Reinstatement (Revival with a late filing) is softening from “Justifiable” to “Unintentional” Delay….
Read more

Japan IP: Stricter Trademark Import Rules, Looser Late Filing Standards

In 2021, the Japanese Diet (parliament) passed various amendments to intellectual property law. Two major changes were made, and this month, Prime Minister Kishida’s Cabinet issued executive ordinances to implement the amendments. Here is a summary of the two major…
Read more

Japan Patent Office Simplifies “Small Entity” Discount Procedure

Under the “Act to Revise a part of the Unfair Competition Prevention Act (May 30, 2018 Article 33)”, the JPO has greatly simplified the existing procedure to reduce fees, for the purpose of helping small and micro entities. As previously,…
Read more

Post-Disclosure Application Grace Period Extended for Japanese Patent, Model, and Design Applications

In spring 2018, Japan implemented a Revision to Unfair Competition Prevention Act that includes a change to the disclosure grace period (exception to lack of novelty of invention period) for filers of Japanese patent, utility model, or industrial design applications….
Read more