News & Analysis as of

Patent Infringement Japan Intellectual Property Protection

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

Kilpatrick

Follow-up Report: Recent IP High Court Decision on Cross-Border Patent Infringement

Kilpatrick on

As reported in the previous Japan IP Watch (June 2023), a high-profile lawsuit involving a network-related invention was decided by the IP High Court....more

Orrick, Herrington & Sutcliffe LLP

Intellectual Property - Patents - The World in U.S. Courts: Summer 2019

Direct and Indirect Infringement Claims Allowed to Proceed Against Japanese Parent that Neither Imported nor Sold Allegedly Infringing Cellphones in the US - Semcon IP Inc. v. Kyocera Corp., US District Court for the...more

Morgan Lewis

Recent Japanese IP High Court Ruling May Increase Future Patent Damages Awards

Morgan Lewis on

A grand panel of the Japanese Intellectual Property High Court recently clarified the criteria for calculating damages awards in Japanese patent infringement cases in a manner that is favorable to plaintiff patentees. This...more

Morgan Lewis

Japan’s 2019 Patent Law Aims to Strengthen the Patent Litigation System

Morgan Lewis on

The Japanese Patent Office is trying to strengthen its patent litigation system, with 2019 revisions to the Japanese Patent Act recently approved by the Japanese Diet. With this reform now written into law, Japan could be on...more

Hogan Lovells

Patents - Patent litigation - Japan

Hogan Lovells on

In Japan, the Intellectual Property High Court (IPHC) established in 2005 has jurisdiction to handle intellectual property cases as second instance, and registered IP cases appealed against trial decisions of the Japan Patent...more

Hogan Lovells

Japan: Nikkei interviews Theodore Essex – ITC puts weight on the actual situation of patentees

Hogan Lovells on

Last month, Nikkei interviewed Senior Counsel Theodore (Ted) Essex on the importance of The United States International Trade Commission (“ITC”) for Japanese companies....more

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