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U.S. Patent Trial and Appeal Board Invalidates Trina's TOPCon Patents
Last canadian solar inc. - common shares earnings: 3/26 06:00 am
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US:NASDAQ Investor Relations: investors.canadiansolar.com
KITCHENER, ON, April 17, 2026 /PRNewswire/ -- Canadian Solar Inc. (the "Company" or "Canadian Solar") (NASDAQ: CSIQ) today announced that the Patent Trial and Appeal Board ("PTAB") of the U.S. Patent and Trademark Office ("USPTO") has issued Final Written Decisions invalidating all claims of two TOPCon (Tunnel Oxide Passivated Contact) solar cell patents. These patents were previously asserted by Trina Solar Co., Ltd. ("Trina") against certain subsidiaries of Canadian Solar.This ruling reinforces Canadian Solar's long-standing, successful track record of managing international disputes. As a global leader in solar and energy storage technology innovation, the Company has always prioritized organic R&D and has established a comprehensive and effective system to manage, commercialize, and defend its global IP rights which cover all key aspects of the industry value chain.Colin Parkin, President of Canadian Solar and President of e-STORAGE, commented, "Canadian Solar has always remained
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