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Intellectual Property Litigation › Japan

Jones Day

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

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On March 3, 2025, the Japanese Supreme Court held that building a network-based system comprised of a server located in the United States, connected via a network to user terminals in Japan, constitutes "producing a product"...more

Hogan Lovells

Japan: Supreme Court Decision — Closing a loophole for patent infringements in cross-border network systems

Hogan Lovells on

On March 3, 2025, the Supreme Court of Japan upheld the original judgment that found patent infringement in respect of the acts performed on a server located outside Japan, virtually affirming the extraterritorial application...more

McDermott Will & Schulte

[Webinar] IP Focus | US Patent Law Under the New Trump Administration - February 5th, 10:00 am JST

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McDermott is committed to providing insightful commentary on intellectual property (IP) developments from around the world to our Japanese clients. During these sessions, a variety of speakers from McDermott’s offices in the...more

Hogan Lovells

COVID-19 IP update: impact on litigation (UPDATED)

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Japan - On 7 April 2020, the Japanese government declared a state of emergency in seven prefectures, due to the on-going COVID-19 pandemic. Subsequently, on 16 April 2020, the Japanese government declared a state of...more

Hogan Lovells

Covid-19 IP Update: Impact on litigation (UPDATED)

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Court of Justice of the European Union (CJEU) - The CJEU has announced? temporary changes to its working arrangements. Judicial activity will continue, but priority will be given to those cases that are particularly...more

Skadden, Arps, Slate, Meagher & Flom LLP

Skadden's 2020 Insights

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Despite political and economic uncertainties, markets and deal activity were resilient in 2019, and strong fundamentals remain in place heading into 2020. Companies continue to face a challenging litigation and enforcement...more

Hogan Lovells

Brand Benchmarking 2018: Trademark challenges and opportunities in China

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In the first of a series of articles looking in more depth at the findings of the Brand Benchmarking 2018 report, we examine trends in China and East Asia....more

Hogan Lovells

Japan: Defendant shelved – IP High Court judgement finds for unfair competition

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The Intellectual Property High Court (IPHC) rendered a judgement on 29 March 2018, granting a permanent injunction on the sale of shelving units marketed by the defendant....more

Morrison & Foerster LLP

Litigation and enforcement in Japan: overview

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MAIN DISPUTE RESOLUTION METHODS - 1. What are the main dispute resolution methods used in your jurisdiction to resolve large commercial disputes? Litigation Litigation is the most frequently used dispute...more

Mintz - Intellectual Property Viewpoints

Prepare for the Japanese Patent Opposition System Coming Soon

Mintz - Intellectual Property Viewpoints on

The Japanese Patent Act was revised on May 14, 2014 to provide for post-grant oppositions within one year of the rule change, i.e., by May 14, 2015 (the exact effective date has not yet been set). Under the new opposition...more

Morrison & Foerster LLP

Litigation and enforcement in Japan: overview

Morrison & Foerster LLP on

What are the main dispute resolution methods used in your jurisdiction to settle large commercial disputes? Litigation - Litigation is the most frequently used dispute resolution method to settle large...more

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