ITC Shoots Down Canon's Patent Fight Over Toner Imports

By Dani Kass (May 21, 2019, 7:53 PM EDT) -- The U.S. International Trade Commission has ended an investigation into whether several companies infringed seven Canon Inc. toner patents with their imports, agreeing with a judge that there were no Tariff Act violations.

Administrative Law Judge Dee Lord correctly granted summary determinations to Ninestar Corp., Print-Rite NA and Aster Graphics Inc. and their subsidiaries, the ITC said Monday. The case had hinged on claim construction, with Canon admitting it wouldn't win under the construction adopted by the judge.

More specifically, the companies were arguing over whether the claims in the cartridge patents required a "pivotable coupling member." Canon said there was...

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