Patent Infringement

DWANGO Vs. FC2 Decision by IP High Court, Japan, Means Protection for Patented Programs “Imported” from Foreign Servers

Japan’s IP High Court (IPHC) is setting a trend to deny patented programs even if sent from servers outside of Japan, with its May 26, 2023 case DWANGO v. FC2. The IPHC rejects immunity to FC2 simply on grounds that…
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Japan Considering Specialist Entry and Search as Last Resort for Disclosure in Patent Infringement Litigation

Following reports of a considered revision to the Japanese Patent Act to enable “discovery” of data on patent infringement earlier this year, the proposal has been officially made. A patent attorney’s informational meeting on July 23, 2019, gave explanation. The…
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Proposal to Implement Specialist-Enforced “Discovery” for Patent Litigation Under Consideration in Japan Patent Act Revision Deliberations

The Japanese government’s Subcommittee on the Patent Act System has been working on revisions to the patent litigation system in Japan since October last year. The Japanese patent system does not have a requirement like the United States power of…
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Toray Challenges Generic Pharmaceuticals over What It Claims Are Overly Narrow Restrictions to Extended Use Patent

Japanese chemical giant Toray announced on December 19, 2018 that it is striking out at two competitors that it claims are violating its extended medical use patent for an anti-itch product, Remitch®. The Japanese business paper Nikkei Shimbun took up…
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