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Patents & Utility Models

Protect your innovations with comprehensive patent protection in Japan

Our Services

  • Patent application drafting and prosecution
  • PCT International Patent applications
  • PCT National Phase entry to Japan
  • Utility Model applications
  • Patent search and clearance
  • Patent portfolio management
  • Office Action responses and appeals

PCT National Phase Entry Fees (Japan)

Total estimated cost: JPY 240,500

Service Attorney Fee Official Fee Total
Filing ¥77,000 ¥14,000 ¥91,000
Exam Request ¥16,500 ¥109,600 ¥126,100
Registration ¥16,500 ¥6,900 ¥23,400
TOTAL ¥240,500

Note: Additional claim fees may apply. Please contact us for a detailed quote.

PCT National Phase Entry Requirements

  • IASR (International Preliminary Examination Report)
  • International Patent Application number
  • Priority document (if applicable)
  • Inventor and Applicant information
  • English translation of claims (if original is not in English)
  • Power of Attorney (POA) in Japanese

Frequently Asked Questions

How long does patent protection last in Japan?

Patent protection in Japan lasts for 20 years from the filing date. Utility Models are protected for 10 years from the filing date.

What is the examination timeline?

The typical examination period is 12-24 months from the examination request. The timeline can vary depending on the technology field and complexity of the application.

What types of drawings are required?

Patent drawings must be submitted in accordance with JPO specifications. We can assist with the preparation and formatting of technical drawings to meet all requirements.

Can I file a provisional patent application?

Japan does not have a provisional patent system, but PCT applications provide similar benefits for obtaining priority dates internationally.

Download Forms

Power of Attorney (POA)

Standard POA form for patent applications in Japan

Download PDF

Applicant Information Form

Form for providing applicant and inventor details

Download PDF

Drawing Specifications

JPO requirements for patent drawings

Download PDF

Ready to Protect Your Innovation?

Contact us for a free consultation on your patent strategy

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