Canon Brings Toner-Cartridge Patent-Infringement Battle to South Korea

Canon Inc. of Tokyo, Japan, today announced that it’s filed a complaint with the Seoul Central District Court of Korea against Tonet Inc., which sells and distributes third-party toner cartridges through its own Web site (see here) and other open-market Web sites, for infringement of Canon’s Korean Patent Nos. 10-1182006 and 10-1101654 (the “Patents”).

Canon stated it “has reasonable grounds” to believe that certain models of toner cartridges sold on the Korean market by Tonet Inc. infringe upon these patents.

Although Canon has filed toner-cartridge patent infringement lawsuits in the United States, Western Europe, Brazil, and Russia, this appears to be the first time that it’s filed a lawsuit against a company in South Korea.

Earlier this month, Canon filed massive legal action against 49 sellers and distributors of third-party toner cartridges in the United States (see here).

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