Office
Japan Patent Office (JPO)
Guide · Trademarks · Japan
Trademark search and watch in Japan
Trademarks in Japan are registered with the Japan Patent Office (JPO). Opposition period for newly published applications: 2 months from registration. Ulawk compares each new application with the marks you watch, showing the last day to oppose. Every result links to the official record.
- Official records
- Deadlines from the law
- Enterprise module
· Ulawk editorial team · Last reviewed 12.11.2026
Office
The register for Japan.
Japan Patent Office (JPO): what Ulawk reads and how.
Bulletin watched
公開商標公報 (applications, early warning) and 商標公報 (registrations).
Opposition deadline
2 months from publication of the registration in the trademark gazette 商標公報 (Trademark Act art. 43-2, post-registration opposition). There is no extension. Applications published in 公開商標公報 cannot be opposed: a finding there is an early warning, and information can be submitted while examination is pending (情報提供).
How to
Search and watch, step by step.
From the first search to an opposition filed in time.
2 months from registration.
Opposition deadline in Japan.
Add the marks you watch
Enter each word mark with its Nice classes; related classes are compared too.
Review each finding
New applications similar to your marks are listed with a risk level: high, medium, low.
Act before the deadline
Each finding shows the last day to oppose, counted from the publication date.
Share the list
Export findings to Excel for your attorney or client.
Limits
What is not included.
Said plainly.
Base deadline only
The last day shown is the base period; extensions you obtain are not added.
Local agent
Applicants outside Japan act through a local representative.
Not legal advice
Findings support your attorney; whether to oppose is a legal decision.
What is the trademark opposition deadline in Japan?
2 months from publication of the registration in the trademark gazette 商標公報 (Trademark Act art. 43-2, post-registration opposition). There is no extension. Applications published in 公開商標公報 cannot be opposed: a finding there is an early warning, and information can be submitted while examination is pending (情報提供).
Does Ulawk watch new trademark applications in Japan?
Yes. Ulawk reads the 公開商標公報 (applications, early warning) and 商標公報 (registrations) and compares each new mark with the marks you watch, class by class. Each finding gets a risk level and the last day to oppose.
Sources
Related guides
- How to check a company in JapanOfficial register, identifiers, officers and owners.→
- Sanctions screening in JapanLists, authorities and how screening works.→
- Trademark search in TürkiyeOffice, bulletin and opposition deadline.→
- Trademark search in the USOffice, bulletin and opposition deadline.→
- Ulawk for JapanCountry page in the local language.→
- Trademark search and watch: all countriesEvery country guide for this product.→
- TürkçeJaponya marka arama ve izleme→
Law firm, in-house legal or accounting team?
Bring your list of customers, suppliers and counterparties; in an intro meeting we show Ulawk with your own companies.
Protect your marks in Japan with the official record.
Trademark search and watch come with enterprise packages; ask for a quote.
Enterprise · 100+ companies
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For more than 100 companies, team work, an API integration or the trademark and regulatory modules, we prepare a price for you.
- Try it with your own companies in a demo
- We upload your Excel list
- Help setting up API and webhook
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