Canadian Solar Wins Patent Litigation Dispute Against Maxeon Solar

Canadian Solar (CSIQ) won a U.S. federal patent lawsuit against Maxeon Solar, with all claims ruled invalid. The company's share price has fallen 42.74% year-to-date but rose 8.99% in the past month. Analysts suggest CSIQ is undervalued at $14.55, with a fair value estimate of $18.05, driven by projections of improving margins and storage revenue.

Canadian Solar announced that a US court dismissed Maxeon Solar's patent infringement lawsuit 'without prejudice', resolving the dispute in its favor. The US Court of Appeals also vacated a related PTAB decision. Canadian Solar's CEO welcomed the resolution, affirming the company's technological and manufacturing leadership.

Canadian Solar (NASDAQ: CSIQ) said the remaining U.S. patent case brought by Maxeon Solar Pte. Ltd. over three TOPCon-related patents has been resolved in its favor. Maxeon’s federal court infringement suit was dismissed with prejudice, and the Federal Circuit vacated part of a PTAB decision. PTAB had ruled in Canadian Solar’s favor in January 2026.

Recurrent Energy, a subsidiary of Canadian Solar (NASDAQ: CSIQ), closed $695 million in project financing and tax equity for the Cobalt Solar facility, a 330 MW project in Riverside County, California. The company said construction is underway with expected commercial operation by end-2027. Debt of about $484 million was led by MUFG and Nord/LB, with $211 million tax equity from Wells Fargo.

China’s energy efficiency PV standard, issued by multiple ministries, takes effect 1 Jan 2027 and sets tiered module conversion thresholds by cell type. Modules below Grade 3 will be barred from production and sales. JinkoSolar, LONGi Green and Canadian Solar discussed impacts on procurement criteria and capacity, plus storage expansion plans.

Canadian Solar (CSIQ) shares rose about 6.3% after the company said its U.S.-manufactured TOPCon and HJT Low Carbon HP solar modules received FM Approvals recognition for severe hail zones, aimed at improving insurability and bankability. The firm also set an Aug. 27, 2026 call for Q2 results. Nasdaq and S&P 500 were up.