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Intellectual Property Litigation › Patents › Japan

Jones Day

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

Jones Day on

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 & Emery

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

McDermott Will & Emery on

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

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

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