Japan
Patent Filing in Japan
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Why File a Patent in Japan
Filing a patent application in Japan is a strategic move for inventors and companies aiming to protect their innovations in one of the world’s largest and most technologically advanced markets. Japan consistently ranks among the top countries for patent filings.
A Japanese patent secures exclusive rights in an economy known for robust manufacturing and consumer demand, and it can strengthen a company’s position in key industries like electronics, automotive, and chemicals. Additionally, Japanese patents are respected for their strong enforcement and quality examination. The JPO is renowned for granting reliable
patents that are trusted worldwide.
With Japan’s participation in the Patent Cooperation Treaty (PCT) and the Patent Prosecution Highway (PPH) program, obtaining protection in Japan can also streamline patent strategies in other jurisdictions. In short, Japan patent registration is an essential component of any global IP portfolio, ensuring you cover a market of over 125 million consumers and a hub of innovation.
If you need additional information do not hesitate to contact us!
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Patent Application Process in Japan
The patent application process in Japan is managed by the JPO and follows clear procedural steps to ensure full protection of your invention. Applicants can file different types of patents in Japan, each with its own process and requirements.
Invention Patent
(Paris Route or PCT)
Design Patent
Filling Timelines
The time limit for the PCT national phase entry in Japan is 30 months from the earliest date of priority and 12 months for Direct Paris Route application. This term can be restored, the applicant must explain the “legitimate reason” for failing within two months from the resolution of the “legitimate reason”.
The time limit for filing a design is 6 months from the earliest date of priority. This time limit ca be restored, the applicant must explain the “legitimate reason” for failing and the procedure for recovery must be completed within two months from the resolution of the “legitimate reason”.
Required Documents
Signed POA, inventor declaration, assignment and Original certified copy of priority, if applicable.
Signed POA, inventor declaration, assignment and Original certified copy of priority, if applicable. A drawing set of the different views of the design.
Examination
The examination fees must be paid within 3 years from the international filing date for PCT national phases and within 3 years from the local filing date for Paris direct route applications. It is possible to request accelerated examination under PPH under certain circumstances.
No request for examination has to be filed, formal and substantive examination is included in the filing fees.
Granting
Granting fees must be paid within 30 days from the date of receipt of the Notice of Allowance. The maintenance fees for the fourth and subsequent years must be paid annually before the anniversary of the original grant date.
Once the design is accepted for registration the applicant must proceed with the payment of the granting fees within 30 days from the allowance notice. Annual maintenance fees are due from the second year of the validity term and should be paid by the end of the previous year.
Why Choose Patentarea for
Patent Filing in Japan
Patentarea simplifies the entire patent registration process, from prior art search to grant, and provides expert support for PCT national phase entries in Japan and worldwide. Our process is efficient, transparent, and designed to help you secure protection for your invention in just three simple steps:
01
Choose the Countries
Let us know the jurisdictions where your client needs patent support. Whether it’s a single country or a complex multi-national strategy, we have a strong foreign experience to handle filings, prosecutions, analysis and renewals efficiently.
02
Receive a Tailored Fee Schedule
We provide a customized and transparent fee schedule based on the selected countries, ensuring cost-effective and predictable pricing. Once you confirm the terms, we take care of everything, keeping you and your client informed throughout the process.
03
We Manage Your Portfolio,
Gain full access to all documents, deadlines, and key filings through our advanced online system. We handle everything from submissions to ongoing maintenance, ensuring compliance with local requirements while keeping you updated—at no additional cost.
FAQ’s
How long does it take to get a patent granted in Japan?
The average time from filing to grant in Japan is about 2 to 3 years, depending on when you request examination. The Japan Patent Office (JPO) typically issues the first office action within 9 to 10 months after the examination request. Applicants can also use accelerated examination or the Patent Prosecution Highway (PPH) to shorten this period to just a few months.
Can I file a patent in Japan in English?
Yes. You can initially file in English under both the Paris Convention route and the PCT national phase in Japan, but you must submit a Japanese translation within a specific period of 16 months from the priority date for Paris-route filings and 2 months from national phase entry for PCT filings. The Japanese version ultimately governs, so accuracy is essential.
When should I consider filing a patent in Japan?
Japan is a top market for technology and innovation, making it a key jurisdiction in any international patent strategy. You should consider filing in Japan if you plan to manufacture, license, or market your invention in Asia, or if competitors operate there. Timely Japan patent filing, either within 12 months of a foreign priority or 30 months under the PCT, ensures your innovation is protected in one of the world’s strongest IP environments.
Why Patentarea.com?
We have a team of patent attorneys and engineers, with years of experience making patent searches, filing patent applications and following up on the patent process in more than 30 countries, which allows us to assure you:
-Competent professionals will perform all the necessary procedures for filing and following up your patent application.
-You will receive timely information regarding updates for the application process.
-If objections or rejections arise in the patent application process, knowledgeable attorneys will advise you on the appropriate course of action.
-All information provided to us will be kept in absolute confidentiality. Before entering any business relationship we electronically sign a confidentiality agreement with you that protects your interests (View our confidentiality agreement).
Who will be in charge of my application?
In countries where services are offered, Patentarea.com relies on teams of recognized and experienced patent attorneys, allowing us to assure a high-quality service.
To learn about the attorney directly in charge of your request select the link “Attorney in charge” located on the toolbar or in the “About Us” section.
