Japan: Intellectual Property

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Intellectual property law and copyright law thought leadership, articles, podcasts, videos and webinars from expert sources across the legal world. Explore insights covering topics such as licensing and syndication, patent law, trade secrets and trademark law.

Japanese Court Shatters Previous Record For Damages Award In A Patent Infringement Case

On May 27, 2025, the Intellectual Property High Court of Japan awarded plaintiff Toray Industries, Inc. ("Toray") ¥21.76 billion (US$151 million; €133 million) in damages for patent infringement by defendants Sawai Pharmaceutical Co., Ltd. ("Sawai") and Fuso Pharmaceutical Industries, Ltd. ("Fuso").

JD

Jones Day

The CRISPR Patent Wars Hit Japan: A High-Stakes Battle Over Gene-Editing's Future

"This brings us to Japan, where patent law has its own unique peculiarities—and where this particular battle just reached a crucial milestone. . . ."

YMF Law Tokyo

まさかの特許バトル：たったこれだけの投与変更が数十億ドルに

「でも、これは単なる投与スケジュールの話じゃない。実は、裁判所が特許無効を主張する側に「自明性ショートカットボタン」を与える

YMF Law Tokyo

Not So Obvious: You Won't Believe How This Simple Dosing Change Became Worth Billions

Imagine you're a generic drug manufacturer, and you've spotted what looks like a billion-dollar opportunity. There's a blockbuster psychiatric medication called "paliperidone palmitate" that...

YMF Law Tokyo

Made In Japan: Two Tasty Trade Mark Disputes

E

ENS

Japan Releases Phase 2 Of Its ¥1 Trillion, 10-year Strategic Space Fund

MC

Marks & Clerk

Japanese Supreme Court: Building A System That Includes A Server Located Outside Japan Constitutes Patent Infringement

JD

Jones Day

Japan's Strengthened Trade Secrets Law: A Gateway To Litigation And IP Protection

C

Caldwell

Trade Mark Similarity – Monsters And Rat Pacs

E

ENS

How To Streamline The Patent Process With AI

Q

Questel

Overview Of Protection Character And Recent Cases In Japan

Oh-Ebashi LPC & Partners

Combining References In IPRs: Lessons From The Federal Circuit's Latest Rulings

YMF Law Tokyo

When Inherency Meets Obvious-to-Try: How Cytiva V. JSR Clarifies The Patent Obviousness Analysis

YMF Law Tokyo

Speaking Too Soon: How An Early Price Quotation Cost Crown A Patent

YMF Law Tokyo

Webinar: Arbitration Landscape In Japan: Has The Sun Risen?

Worldwide Litigation

MH

Mori Hamada & Matsumoto

Employer Essentials For Japan's Working Time Regulations

Japan Employment

IL

Ius Laboris

The CRISPR Patent Wars Hit Japan: A High-Stakes Battle Over Gene-Editing's Future

YMF Law Tokyo

Keeping Workers Safe In Japan: What Employers Need To Know

Japan Employment

IL

Ius Laboris

Is Japan About To Redefine The Global Crypto Rulebook? (Video)

Japan Technology

G

Gamma Law

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Are You Underestimating Japan's Video Game Legal Landscape?

Japan has long been a cornerstone of the global gaming industry.

Japan Media & IT

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Overview Of Protection Character And Recent Cases In Japan

This case concerns the similarity of characters that appear in online games. Although several characters were the subject of this litigation, the court ruled...

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Some Legal Issues Concerning The Use Of Copyrighted Works In The Development And Learning Phases Of Generative AI

In recent years, generative AI has rapidly advanced and become widespread. However, legal interpretations and practical implementations related to this field have struggled to keep pace with its rapid evolution.

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知的財産戦略本部、AI時代の知的財産権検討会〔中間とりまとめ〕の公表

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The Intellectual Property Strategy Headquarters Held The "6th Session Of The Intellectual Property Rights Study Group In The Age Of AI" And Presented The Interim Summary (Draft)

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Japanese Court Shatters Previous Record For Damages Award In A Patent Infringement Case

On May 27, 2025, the Intellectual Property High Court of Japan awarded plaintiff Toray Industries, Inc. ("Toray") ¥21.76 billion (US$151 million; €133 million) in damages for patent infringement by defendants Sawai Pharmaceutical Co., Ltd. ("Sawai") and Fuso Pharmaceutical Industries, Ltd. ("Fuso").

JD

Jones Day

The CRISPR Patent Wars Hit Japan: A High-Stakes Battle Over Gene-Editing's Future

"This brings us to Japan, where patent law has its own unique peculiarities—and where this particular battle just reached a crucial milestone. . . ."

YMF Law Tokyo

まさかの特許バトル：たったこれだけの投与変更が数十億ドルに

「でも、これは単なる投与スケジュールの話じゃない。実は、裁判所が特許無効を主張する側に「自明性ショートカットボタン」を与える

YMF Law Tokyo

Not So Obvious: You Won't Believe How This Simple Dosing Change Became Worth Billions

YMF Law Tokyo

Japan Releases Phase 2 Of Its ¥1 Trillion, 10-year Strategic Space Fund

MC

Marks & Clerk

Japanese Supreme Court: Building A System That Includes A Server Located Outside Japan Constitutes Patent Infringement

JD

Jones Day

How To Streamline The Patent Process With AI

Q

Questel

Overview Of Protection Character And Recent Cases In Japan

Oh-Ebashi LPC & Partners

No Drug? No Dice! Clarifying Orange Book Eligibility For Drug-Device Patents

Japan Healthcare

YMF Law Tokyo

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Made In Japan: Two Tasty Trade Mark Disputes

We like to report on issues of confusing similarity between trade marks, and we also like to discuss foreign IP cases. In this article, we manage to tick both boxes...

E

ENS

Trade Mark Similarity – Monsters And Rat Pacs

Regular readers know that we like to write about trade mark similarity and likelihood of confusion cases from around the world.

E

ENS

Overview Of Protection Character And Recent Cases In Japan

This case concerns the similarity of characters that appear in online games. Although several characters were the subject of this litigation, the court ruled...

Oh-Ebashi LPC & Partners

Doing Business In... 2024 - Law & Practice

Japan Commercial

AM

Anderson Mori & Tomotsune

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YMF Law Tokyo

IP News Bulletin For Japan And China (July 2024)

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知的財産戦略本部、AI時代の知的財産権検討会〔中間とりまとめ〕の公表

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