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🔬　Patent Filing Service

Protecting your invention with strong, defensible rights

Patent rights, designed by attorneys who understand your technology.
Our technical-background patent attorneys support you from R&D to commercialization.

What Is a Patent Right — A 20-Year Exclusive Right

A patent right gives you the exclusive right to practice a new invention (a technical idea). For up to 20 years from the filing date, you can exclude unauthorized use by third parties — making it one of the most powerful intellectual property rights for establishing competitive advantage.

Benefits of Holding a Patent

✔ Legally exclude imitation by competitors
✔ Generate licensing revenue (royalties)
✔ Demonstrate technical capability to investors and partners
✔ Strengthen applications for grants and subsidies
✔ Increase enterprise value in M&A and exits

Why Choose EVORIX

🎯 1. Deep Technical Understanding

Our attorneys have backgrounds in mechanical, electrical, software, chemical, and biological fields. Through dialogue with inventors we go beyond surface structure to identify why the invention is superior and where the inventive step truly lies — and design strong claims around that core.

🔍 2. Thorough Prior Art Searches

Pre-filing prior art searches assess registrability. Our attorneys, well-versed in JPO examination practice, identify differentiation points against similar technologies — avoiding wasted filings while improving your odds of grant.

📝 3. High-Quality Specification Drafting

A patent specification is not merely a technical document — it is a 20-year contract for asserting rights. We draft with future business expansion and litigation in mind, securing broad and enforceable claim scope.

🛡 4. Office Action Handling

We handle responses, amendments, and examiner interviews through to grant. Even in difficult cases, we pursue logical arguments to achieve registration.

🌍 5. International Filings (PCT)

One-stop filing in the U.S., Europe, China, Korea, ASEAN and beyond. Through our network of foreign agents we help build global patent portfolios.

Technical Fields We Cover

We handle a wide range of technical fields. In recent years we have built particularly deep experience in IT (software, AI, SaaS, mobile applications).

💻 Software / IT / AI

Business method patents, machine learning algorithms, UI/UX, SaaS architectures, blockchain, IoT systems and more.

⚙️ Mechanical / Devices / Control

Industrial machinery, robotics, automotive components, medical devices, consumer appliances, production equipment, control systems.

⚡ Electrical / Electronics / Communications

Semiconductors, circuit design, wireless communications, sensors, power systems, instrumentation.

🧪 Chemistry / Materials / Biotech

Organic and inorganic chemistry, polymers, pharmaceuticals, food, cosmetics, biotechnology.

Service Process

1

Free consultation & intake

We discuss the invention, business context, and budget.

2

Prior art search

We assess registrability and develop a filing strategy.

3

Specification drafting & review

We draft the application; you confirm the technical content.

4

Filing with the JPO

Filed via the electronic filing system on the same day.

5

Office action response (as needed)

We prepare arguments and amendments to overcome refusals.

6

Registration & annuity management

We manage post-registration annuity payments.

Related Services

Combine patent filing with these services to build a stronger IP portfolio.

Free Initial Consultation

"Will my invention qualify for a patent?" "Could we be infringing a competitor's patent?" "We received an office action — what now?" — every question, however small, is welcome.

The first consultation is free. Our technical-background patent attorneys will propose the optimal protection strategy for your situation. Reach us by phone (+81-6-7777-1884) or via the inquiry form.

Let us help you protect your innovation — starting with the first conversation.

Recent Insights from Our Blog

In-depth articles on Japan trademark and patent practice for foreign counsel.

Frequently Asked Questions (FAQ)

Q : How much does it cost to file a patent application?
The total cost, including the Japan Patent Office fee (14,000 yen) and our firm’s patent attorney fees, typically ranges from 300,000 yen for simple cases to 600,000 yen for technically complex cases. We will provide a free estimate after reviewing the technical details of your case. There are also programs available for small and medium-sized enterprises (SMEs) and startups that reduce application and examination request fees by 1/2 to 1/3.
Q : How long does it take from filing to obtaining a patent?
For standard patent applications, registration typically takes 2 to 3 years. If you utilize the accelerated examination system (standard application or super-accelerated examination), registration is possible within 3 to 6 months. Small and medium-sized enterprises, universities, and green-related inventions are eligible for accelerated examination.
Q Can individuals file for a patent?
Yes, we receive many requests from individual inventors. Sole proprietors and small businesses can take advantage of a program that reduces application and examination request fees by half. Our firm provides attentive support to individual inventors as well.
Q Is a patentability search (pre-filing search) necessary?
We recommend conducting a patentability search to confirm the existence of similar patents before filing. This search helps avoid unnecessary filings and allows us to develop a claim drafting strategy to secure strong intellectual property rights. The cost is approximately 100,000 to 200,000 yen.
Q Can inventions related to AI and software be patented?
Yes, inventions related to AI, software, and business models are eligible for patent protection. Our firm has extensive experience with applications in the IT field and supports the patenting of cutting-edge technological inventions such as AI/ML, blockchain, IoT, and SaaS architecture.
Q Do you handle applications for overseas markets (such as the U.S., Europe, China, and South Korea)?
Yes, we handle both PCT international patent applications and direct filings via the Paris Convention route. We provide comprehensive support for obtaining patents in major countries such as the U.S., Europe (EPO), China, South Korea, Southeast Asia, India, and Brazil. We can also assist with applications for the INPIT Foreign Application Subsidy (covering up to half of the costs).
Q : How do you handle a notice of grounds for refusal?
We provide comprehensive support, from drafting responses and amendments to addressing rejection notices to preparing for oral examinations. Our firm has a proven track record of increasing grant rates through logical rebuttals, and we never give up on even the most challenging cases.
Q : How long is the term of a patent?
The term of a patent is 20 years from the filing date. You can maintain your rights by paying annual maintenance fees (patent fees). Our firm also offers maintenance fee management services to prevent missed payment deadlines.
Q : Do you have a fee structure for small and medium-sized enterprises (SMEs) and startups?
Yes, our retainer agreements start at 30,000 yen per month and offer member rates, providing a 10–30% discount on application fees compared to one-time requests. Retainer agreements are overwhelmingly advantageous for businesses planning to file applications on an ongoing basis.
Q : Is a free consultation available?
Yes, the initial consultation is free. Please feel free to contact us by phone (06-7777-1884), email, or through our contact form. After hearing an overview of your invention, we will provide a free assessment of patentability, filing strategy, and a cost estimate.
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