US Ends TOPCon Patent Probe Against Trina, Philadelphia Solar
First Solar sought to end the probe against the two companies in June
August 5, 2026
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The U.S. International Trade Commission (USITC) has terminated its investigation against Philadelphia Solar USA and Trina Solar after First Solar withdrew its complaint alleging infringement of its U.S. patent claims related to TOPCon solar cells, modules, and related products.
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Parth Shukla
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