Japan's Canon won a patent lawsuit against a recycled ink cartridge supplier as the country's Supreme Court on Thursday dismissed an appeal against a lower court decision in favor of the camera and office gear maker.
Canon filed a suit at a Tokyo court in 2004, asking a court injunction to block imports and sales by Tokyo-based Recycle Assist of recycled Canon ink cartridges that are refilled with non-Canon ink, claiming the products infringe Canon patents. The Supreme Court decision is significant for Canon and other printer makers as sales of ink and other consumables represent a substantial portion of their profits.
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