Canadian Solar agrees to not sell shingled solar modules in United States for seven years

Canadian solar panels using shingled technology will not be sold in the US market for seven years after an agreement is reached between the company and Solaria. Solaria has agreed to end its patent infringement lawsuit against Canadian Solar in exchange for Canadian Solar’s cessation of distribution of its solar panel modules in the United States.

Solaria solar panels used in a GAF Energy installation

Solaria first filed suit against Canadian Solar in March 2020, alleging that Canadian Solar had stolen Solaria’s US-patented process to separate PV strips from solar cells for use in “shingled” solar panels. Solaria first introduced Canadian Solar with its high-efficiency, high-density module (HDM) technology in 2014 when Canadian Solar representatives evaluated Solaria’s next-generation shingling technology for a potential licensing deal. After further collaborations between the companies the following year, in which Solaria disclosed its proprietary technology and business strategies to Canadian Solar under an NDA, no deal was reached.

In clear reference to Solaria’s proprietary HDM technology, Canadian Solar launched its “HiDM” shingle modules in 2018 and began advertising and selling them in the United States. The modules were on the show floor at Solar Power International 2019. Solaria claimed that Canadian Solar’s HiDM shingled modules infringed Solaria’s patent.

Close-up of Canadian Solar’s shingled module on the show floor at SPI 2019

In October 2021, the US International Trade Commission (ITC) ruled that Canadian Solar had infringed Solaria’s patent. The settlement announced today resolves all patent infringement disputes related to Solaria’s proprietary shingled solar module technology.

“Solaria initially sued Canadian Solar for choosing to ignore and violate Solaria’s core intellectual property (IP). When making his first finding in the ITC investigation, the chief administrative judge recognized that Canadian Solar infringed Solaria’s patents,” said Tony Alvarez, CEO of Solaria. “Solaria remains open to partnering with companies that recognize the value of Solaria’s IP; we licensed Solaria’s technology to other companies in the industry. However, Solaria will actively defend our IP from infringers and protect our technology for ourselves and our valued partners.”

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