V4INK May Default in Canon Lawsuit, LD to Amend Answer and Counterclaims


In the first half of 2019, Canon Inc. filed a pair of lawsuits alleging that online cartridge sellers LD Products and V4INK have infringed a family of Canon toner cartridge patents that claim a pair of protrusions that are moveable between a projected position and a stand-by position and that control how the developer roller

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