January 21, 2026

FIRST SOLAR, INC.
US Patent & Trademark Office Rejects Attempts by Canadian Solar, JinkoSolar, and Mundra Solar to Challenge Validity of First Solar TOPCon Patents

January 21, 2026
First Solar, Inc. (Nasdaq: FSLR) ("First Solar") today (Jan 20) announced that the Director of the United States Patent and Trademark Office (U. . .

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