Trademark Opposition or Invalidation, Which Is Useful in Japan?


A trademark opposition is a proceeding in which a third party can oppose a newly registered trademark under Article 43bis of the Japan Trademark Law. For example, once a trademark is newly registered by JPO, this fact is published in the Official Gazette of Trade Marks immediately after it is actually registered. This kicks off a two (2) month period known as the ‘opposition period’ during which other parties are then given an opportunity to ‘oppose’ the registration of the trademark.


Trademark invalidation is an inter-partes proceeding in which a party has a legal interest in the result that can null a trademark registration under Article 46 of the Japan Trademark Law. If the registration is less than five years old, the party challenging the trademark rights can rely on any ground that could have prevented registration initially.


Conflict with earlier registration (similarity of mark and goods/service), a likelihood of confusion with famous mark, and descriptiveness are the most common grounds asserted both in opposition and invalidation action.

 Trademark OppositionTrademark Invalidation
Statute of limitations2 months from the publication date5 years from the registration date
Official feeJPY11,000 for 1 class
JPY19,000 for 2 classes
JPY55,000 for 1 class
JPY95,000 for 2 classes
StandingLegal interest is not requiredLegal interest is required
CounterargumentNo obligation to counterargue unless the JPO notifies a cancellation ground to a registrant.Mandatory for a registrant to counterargue, otherwise it may adversely affect.
Pendency period7.9 months11.5 months
Appeal to decisionOnly the registrant can file an appeal against an unfavorable decisionEither party can file an appeal against the JPO decision

Which action to take?

From a cost-saving point of view, opposition undoubtedly looks more attractive than invalidation, however, when you look at the success rate of opposition (see below table), it may change your mind. There has been a big gap in the success rate between opposition and invalidation for years.

YearThe success rate of the OppositionThe success rate of Invalidation

Therefore, in terms of probability theory, invalidation action is by far preferable to opposition for the purpose of removing trademark registration in Japan.