Corporate Law- View allLast updated: 2026-03-131 min readLawyer-Reviewed

Intellectual Property Basics in Japan: Patents, Trademarks, and Copyrights

Key Takeaways

  • Patent rights last 20 years from filing; trademarks are renewable every 10 years
  • Copyright protection extends to 70 years after the author's death
  • Rights holders can seek injunctions and damages for infringement
  • Fee reduction programs exist for small and medium enterprises
Share this article

Japan's IP rights: patents (20 years from filing, Patent Act), utility models (10 years), designs (25 years, Design Act), trademarks (10 years, renewable), and copyrights (70 years post-death, Copyright Act Art. 51). Remedies for infringement include injunctions, damages (with statutory presumptions), and criminal penalties (up to 10 years/¥10M for patent infringement). SMEs receive fee reductions of 50-67%.

Free Tools for This Area

Share this article
This article provides general legal information and does not constitute legal advice. For specific legal issues, please consult with a qualified attorney.

Related Articles

Entertainment Contract Basics in Japan: Talent, Appearance & Licensing Agreements

An overview of key contract types in Japan's entertainment industry, including talent agreements, appearance contracts, and music/video licensing deals.

Can You Commercially Use Generative AI Output in Japan? Copyright Article 30-4 and Output-Stage Risk

Whether you can commercially use generative AI output in Japan, from a copyright standpoint: how Article 30-4 relaxes the training stage and its proviso, the distinction between training and output, the reliance-plus-similarity test that applies at the output stage, mixed enjoyment purposes, the Agency for Cultural Affairs’ view, and practical steps.

Foreign Company Entering Japan: Choosing an Entity Type and the Governing Law of Your Contracts

How a foreign company can enter Japan: the differences among a representative office, a branch, and a subsidiary; comparing the KK and GK company forms; designing the governing law and dispute resolution of local contracts; inward direct investment filings under the Foreign Exchange Act; industry-specific licenses; and the practical steps.

Japan APPI Data Breach Reporting: A Guide for Foreign Companies (Deadlines & Notification)

How Japan’s APPI data breach reporting obligations apply to foreign companies handling the personal data of individuals in Japan, including extraterritorial reach, the four reportable breach categories, PPC two-stage reporting deadlines, individual notification, penalties, and the 2026 reform.

Starting a Business in Japan: KK vs LLC Comparison

Comparing stock corporations (KK) and limited liability companies (GK/LLC) for business formation in Japan.

Director Liability in Japan: Duties, Obligations, and Risks

Guide to director duties and liability in Japanese corporate law, including fiduciary duties and shareholder derivative suits.

Related Q&A

Related Legal Terms

Recommended Articles

Lawyer-Reviewed

Consult a Legal Professional Early

This article provides general information; outcomes vary by specific circumstances. Contact your local bar association for case-specific advice.

JFBA Consultation Guide