11. What is the cost of getting patent in Japan for my invention?

What is the cost of getting patent in Japan

The official patent cost for filing a patent application in Japan is JPY 14,000. Attorney fees for drafting a patent application in Japan would be around 143240 JPY to 214860 JPY or (USD 1000 to USD 1500) based on the complexity of the invention.

Table of Contents

How much is the cost of getting a patent in Japan? There is no precise and accurate answer to this question as the cost of obtaining a patent is dependent on multiple factors, however lets discuss approximate range of costs involved at each stage from invention disclosure to grant of patent

There are two elements for the cost of getting a patent in Japan:

  • The costs for Patent Office (JPO) fees for Forms, requests, and renewals.
  • Professional Charges for patent agent / attorney 

Before we proceed, One thing (question) most certainly hits the inventors mind at least once in the process of getting a patent for his invention that is:

“If I am the creator of the invention, I know it inside out and I can describe it in a detailed manner then why does Patent Attorney charge so much fees to write my patent application in the right format ?”

To get a quick and self-evident answer to your question, check our section on Why Patent Attorney charges so much fees just to write my patent application?

As a matter of fact, Patent attorney Professional charges are the most expensive component which drastically varies based on the complexity of the invention to be patented, the field of invention, and the experience of the patent attorney.

The cost of filing a patent application in Japan has two types of fees: Attorney Fee and Official Fee.

official feeAttorney fee
filing a patent application in Japanese14,000 JPY1,00,000 JPY
file a patent application in any foreign language24,000 JPY1,00,000 JPY
Filing a request for examination1,38,000 JPY14,000 JPY
Filing a request for prior examination50,000 JPY10,000 JPY

Selecting the Right patent attorney for your invention at the right cost can be a more complex process than you would have imagined.

Stage 1: invention disclosure

This is the initial phase when you (inventor) disclose your invention to the patent attorney you selected to work with (patent agent) by signing a Non-disclosure agreement. This agreement is to ensure the confidentiality of your invention and there are no charges for signing NDA.

When writing Invention disclosure for your invention you should submit each know fact about your invention, description diagrams, and experimental results (if any). Hold nothing back. The disclosure of the invention must be 

  • described in substantial details
  • includes pictures, flowcharts, diagrams where ever applicable
  • Optionally includes experimental data proving novelty and non-obviousness
  • Charts and tables about research and development 

This helps patent attorney in patent research as well as the drafting process.

In this phase, patent attorney/agent performed an extensive search for prior art in all possible databases for patent, articles, thesis, etc… And builds a patentability search report based on the closest prior art found for your invention.

Although an optional step, Doing a novelty search for your invention can really save you thousands of dollars for involving in the patent process for an invention that is not novel and already known to the public.

The patent attorney generally prefers to have an independent opinion about the novelty search so most of them outsource it to a patent researcher.

Cost: the charges for conducting novelty search are in the range of 35810 JPY to 57300 JYP or (USD 250 to USD 400)
Time required: it takes about 2 to 5 working days for a researcher to complete a novelty search
The patent attorney generally prefers to have an independent opinion about the novelty search so most of them outsource it to a patent researcher.

Stage 3: Opinion about patentability

Upon receiving the novelty search report for your invention, the next step is a critical review by a patent attorney to build an opinion about the patentability of your invention. Here the cost defers based on the complexity of invention and number of closely associated prior arts found in the research. This opinion tells you (inventor) whether it would be wise to proceed with patent filing or not.

On reviewing the patentability search report and discovered the closest prior arts for your invention you can make a decision on whether to go ahead with patent application filing. Your patentability opinion should be positive, that is, your invention needs to have an “inventive step” as compared with existing prior art to be able to qualify for a patent. When you decide to go ahead with patent filing next step is writing a patent application also called patent drafting.

Cost: the cost for providing patentability opinion is in the range of 10000 JPY.
Time required: The time required for providing patentability opinion ranges from 3-4 hours to a couple of days based on the complexity of the invention and prior arts cited in the novelty search report.

Stage 4: Patent writing or patent drafting

Drafting a patent application is a specialized job and requires both technical (field of the invention) and legal (Japan patent law) understanding. Patent is a techno-legal document. Many inventors trying to write a patent application on their own write it from a completely technical perspective. Writing a patent application as a technical document without considering the legal aspect may be a mistake that can make your application not worth a lot. And all the efforts you took for research and development can go waste.

Hence, a right patent attorney with appropriate experience can remarkably add value to patent application.

If you are still thinking, whether you would be saving few thousand of dollars by writing and filing your patent application on your own (without the help of a patent attorney) our secion would help you decide if you can go for patent drafting and filing on your own (Do it yourself) or do I really need to hire a patent attorney for writing and filing patent application ?

Drafting of patent application is a most important step in the entire life cycle of Patent for the protection of your invention. This is the step where the real skills of a patent attorney come into play as patent drafting is: 

  • the most time consuming
  • most complex
  • and skillful task that requires years of experience in technology as well as patent law 

Cost of patent drafting in Japan : The cost for drafting a patent application in Japan varies in a great deal as it is dependent on multiple factors like field of invention and complexity and the cost is approximately 143240 JPY to 214860 JPY or (USD 1000 to USD 1500).

Time required to draft a patent application in Japan : it takes about 1 to 2 weeks time for a patent attorney to draft an application for an invention. It certainly can take more time based on complexity, length of the detailed description, and availability of patent attorney’s time.

Stage 5: Filing Patent application

The official filing fees for patent application in Japan is JPY 14,000

When you are done with the review of the patent drafted and satisfied with the scope and technical details in the patent application, you can file the patent application at JPO, with appropriate forms with appropriate fees. Publication of patent application occurs after the expiration of an 18-month period following the earliest effective filing date or priority date claimed by an application.

Stage 6: Patent Examination

Patent examination fees is as following

Request for Examination

 Attorney’s Fee (JPY)Official Fee (JPY)
Basic Fee (filed before March 31, 2019)14000118000
Basic Fee (filed after April 1, 2019)14000138000

In the examination stage of your patent application at JPO, a decision is made whether the invention should be patnted or not. In the examination the patent application is checked for different requirements of patentability by Patent law:

In this stage, patent examiners at JPO conduct their own search related to your invention (patent application) and issue and office action.

Stage 7: Office action

Office action contains the objections raised about your patent application by the patent examiner, which can range from a variety of objections. You (inventor) has a chance to respond to objection and put your side in front of the examiner, this is something called “response to office actions” in most cases the response is drafted with the help of your patent attorney.

This is a chance for an inventor to communicate his novelty or inventive step over prior arts found in the examination report. The inventor and patent attorney create and send a response to the office action that tries to prove that his invention is indeed patentable and satisfies all patentability criteria.

or optionally modifies the claims accepting objections raised, that is the applicant may amend the patent application as specifically required by the examiner and proceed with the grant of patent.

Professional Fees: The patent attorney fee is 71620 JPY to 143240 JPY or (USD 500 to USD 1000) for response to office action depending upon complexity, subject matter, and the number of objections.

Stage 8: Grant of Patent / Issue of Patent

The patent is granted to you (inventor) if it is found to be meeting all patentability requirements !!! or it may be rejected if it happens to be not meeting patentability criteria.

If a patent application is found to be in the order of grant a Notice of Allowance and Fee(s) Due will be sent to the applicant, or to the applicant’s patent attorney. a fee for issuing the patent and if applicable, for publishing the patent application publication.

As a result of the examination, the examiner will make a decision to grant a patent as the final assessment of the examination stage if no reasons for refusal have been found. The examiner will also make the same decision if the reasons for refusal have been eliminated by an argument or amendment.

If the examiner determines that your application is in satisfactory condition and meets the requirements, you will receive a Notice of Allowance. The notice of allowance will list the issue fee also called registration fees and may also include the publication fee that must be paid prior to the Patent being issued. The patent grant is mailed on the issue date of the patent.

Stage 9: Renewal of patent fees

Once the patent is granted, it will be valid for up to 20 years from the date of filing the application. Inventors are required to pay a maintenance fee periodically to maintain the patent in force. 

refer to the section about patent maintenance fees on JPO  link here

Annual fee / Registration fee

Fees
1-3rd year: annually,¥1,500 + ¥1,000 per claim
4-6th year: annually,¥4,800 + ¥2,900 per claim
7-9th year: annually,¥14,300 + ¥8,800 per claim
10-25th year: annually,¥47,500 + ¥29,600 per claim

For details on steps and procedures for getting patent in Japan refer sections in list below

Prasad Karhad
Latest posts by Prasad Karhad (see all)