U.S. Patent Trial and Appeal Board Invalidates Trina’s TOPCon Patents

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 […]