Canon patent on remanufacturing revoked following opposition by ETIRA
July 30, 2021
![](https://www.etira.org/wp-content/uploads/2021/07/Canon-headquarters-Netherlands-e1627648134137.jpg)
A remanufacturing patent, granted to Canon in 2014, has been revoked after a lengthy opposition campaign by the European Toner and Inkjet Remanufacturers Association (ETIRA).