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.

The Vanishing $10 Million Verdict In Rex Medical v. Intuitive Surgical

"The math is stark: infringement victory + validity win + $10 million jury award = $1, if you cannot apportion value to the patented invention. . . ."

YMF Law Tokyo

Patent Utilization Strategies: Patent Funds And Key Contractual Considerations

In recent years, there has been growing recognition of the strategic importance of intellectual property ("IP") rights—particularly patents—in corporate business strategy.

Oh-Ebashi LPC & Partners

Registering A Trademark In Japan: What International Businesses Need To Know

Because Japan applies a strict first-to-file rule, opportunistic filers often racing to register brands before the rightful owners can act. If you don't secure protection early, you risk rebranding...

HS

Harris Sliwoski

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

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

YMF Law Tokyo

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

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

Japan's M&A Boom: A Private Equity Powerhouse In 2025

Japan Commercial

FL

Foley & Lardner

Recent Developments At The Japanese Fair Trade Commission

Japan Anti-trust

SJ

Steptoe LLP

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

Japan Technology

G

Gamma Law

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

Worldwide Litigation

MH

Mori Hamada & Matsumoto

Betting Big: Global Asset Managers And Japan

Worldwide Finance

MG

Maples Group

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Trademark Disputes

Patent Litigation

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To Opt Out Or Not To Opt Out? – The Question Of The "Opt-Out Model" For AI Training

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Haldanes

Artists vs AI – The Fight Continues

HS

Haldanes

What Goes Around Comes Around – Luxury Resellers On Thin Ice?

HS

Haldanes

For Your Attention, Please: Virtual Marking Of Patented Software

OA

Obhan & Associates

Fast Tracking Through The Patent Prosecution Highway In India

OA

Obhan & Associates

Divisional Applications And Plurality Of Invention In India

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Obhan & Associates

Do Scientific Publications Exempt Patent Applications From Anticipation?: The Indian Position

OA

Obhan & Associates

Preparing For Invention Disclosure Meetings: A Guide For Inventors

OA

Obhan & Associates

Patenting 3d Bioprinting In India

OA

Obhan & Associates

Under The Skin: Patentability Of Cosmetic Compositions And Treatments In India

OA

Obhan & Associates

Copyright

Are You Underestimating Japan's Video Game Legal Landscape?

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

Japan Media & IT

G

Gamma Law

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

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.

Oh-Ebashi LPC & Partners

Artificial Intelligence 2024 (Japan Chapter) - Trends And Developments

Japan Technology

AM

Anderson Mori & Tomotsune

SH5067 'US Copyright Office Has Released The First Part Of Its Report On Copyright And Artificial Intelligence (AI), Recommending The Enactment Of The Federal Digital Replica Act.'

AM

Anderson Mori & Tomotsune

Japanese Government Published Checklist And Guidance Related To AI And Copyrights

KG

K&L Gates LLP

Doing Business In... 2024 - Law & Practice

Japan Commercial

AM

Anderson Mori & Tomotsune

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

AM

Anderson Mori & Tomotsune

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)

AM

Anderson Mori & Tomotsune

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Patent

The Vanishing $10 Million Verdict In Rex Medical v. Intuitive Surgical

"The math is stark: infringement victory + validity win + $10 million jury award = $1, if you cannot apportion value to the patented invention. . . ."

YMF Law Tokyo

Patent Utilization Strategies: Patent Funds And Key Contractual Considerations

In recent years, there has been growing recognition of the strategic importance of intellectual property ("IP") rights—particularly patents—in corporate business strategy.

Oh-Ebashi LPC & Partners

Registering A Trademark In Japan: What International Businesses Need To Know

Because Japan applies a strict first-to-file rule, opportunistic filers often racing to register brands before the rightful owners can act. If you don't secure protection early, you risk rebranding...

HS

Harris Sliwoski

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

JD

Jones Day

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

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

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

See more

Trademark

Registering A Trademark In Japan: What International Businesses Need To Know

Because Japan applies a strict first-to-file rule, opportunistic filers often racing to register brands before the rightful owners can act. If you don't secure protection early, you risk rebranding...

HS

Harris Sliwoski

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

Oh-Ebashi LPC & Partners

Doing Business In... 2024 - Law & Practice

Japan Commercial

AM

Anderson Mori & Tomotsune

Trademark Law And The Unlawful Use Doctrine: The Federal Circuit Confirms—the Doctrine Is A Defense To Trademark Infringement

YMF Law Tokyo

IP News Bulletin For Japan And China (July 2024)

SK

Sonoda & Kobayashi Intellectual Property Law

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

AM

Anderson Mori & Tomotsune

国家知識産権局による外資系企業知的財産権保護座談会、北京で実施

K

Kangxin

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Latest Videos

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Lawyers vs Algorithms: AI Is Not The Enemy Of IP Industry – It Is A Wake-Up Call (Video)

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Schweiger & Partners

Documents Required For Patent Registration In India (Video)

V

Vakilsearch

WIPO's Patent Cooperation Treaty (PCT) Yearly Review 2023 (Video)

Kita-Aoyama International Patent Bureau

Mobile Phone – An Unending Innovation! (Video)

Pl

Photon legal

Sheppard Mullin China Monthly IP Seminar – Nov. 2021: Different Ways To Invalidate Patents (Video)

SM

Sheppard Mullin Richter & Hampton

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