Canadian Solar Comments on Complaint Filed by Maxeon Solar

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Canadian Solar Inc. faces a patent infringement lawsuit from Maxeon Solar Pte. regarding tunnel oxide passivated contact solar photovoltaic module technology. Despite the lawsuit, Canadian Solar denies the claims and plans to defend itself vigorously, confident in the validity of its TOPCon technology.
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From a legal perspective, the patent infringement lawsuit filed by Maxeon Solar against Canadian Solar is significant due to the potential implications for intellectual property (IP) control within the solar industry. The focus on Tunnel Oxide Passivated Contact (TOPCon) technology is noteworthy, as it represents a key area of innovation in solar module efficiency and performance. Should Maxeon's claims be upheld, Canadian Solar could face injunctions against the sale of infringing products, damage awards and the need to alter its manufacturing processes, which could disrupt operations and affect market share. Conversely, if Canadian Solar successfully defends its position, it could reinforce the company's standing as a leader in solar technology and deter future litigation.

Investors should monitor the progression of this case, as outcomes of such litigation can influence company valuation due to the costs associated with legal defense, potential settlements, or damages paid. Additionally, the market's perception of Canadian Solar's ability to innovate without infringing on patents could impact investor confidence. The solar industry is highly competitive and IP is a critical asset that can provide a competitive edge. Therefore, the resolution of this case could have broader implications for the industry's approach to IP management and litigation risk.

Examining the financial implications, a patent lawsuit of this nature can have material effects on Canadian Solar's financial health. Legal disputes, especially in high-tech sectors like solar energy, can be costly and protracted. Investors should be aware that litigation expenses can weigh on earnings and in the event of an unfavorable outcome, Canadian Solar might incur substantial penalties or be forced to pay royalties. This could affect the company's profitability and potentially lead to a revision of future earnings projections.

Furthermore, the uncertainty surrounding the lawsuit may introduce volatility in Canadian Solar's stock price as the market reacts to news updates and legal developments. Market sentiment can be particularly sensitive to IP disputes in the technology sector, where a company's valuation is closely tied to its innovation capabilities and patent portfolio. It's also pertinent to consider the possibility of a settlement, which could involve a one-time payment or ongoing licensing fees, impacting Canadian Solar's cash flow and financial strategy.

From a market standpoint, the lawsuit underscores the importance of TOPCon technology in the competitive landscape of the solar industry. This technology is pivotal for the next generation of high-efficiency solar panels and companies holding key patents can secure a technological lead. The outcome of this litigation could affect not only Canadian Solar's market position but also set precedents affecting the strategies of other players in the industry.

Should Canadian Solar's TOPCon technology be vindicated, it could potentially strengthen the company's market position and enhance its reputation for innovation. On the flip side, if Maxeon's claims are successful, it could shift the competitive dynamics, possibly leading to increased market share for Maxeon or other companies with similar technologies not encumbered by litigation. Stakeholders, including competitors, suppliers and customers, will be observing the case closely, as it may influence partnership decisions, technology adoption rates and the direction of research and development investments within the sector.

GUELPH, ON, March 28, 2024 /PRNewswire/ -- Canadian Solar Inc. (the "Company", or "Canadian Solar") (NASDAQ: CSIQ), today issued the following comment:

Canadian Solar recently became aware that Maxeon Solar Pte. Ltd. ("Maxeon") has filed a patent infringement lawsuit against Canadian Solar, Inc. in the U.S. District Court in the Eastern District of Texas, entitled Maxeon Solar Pte. Ltd. v. Canadian Solar, Inc., Civil Action No. 2:24-cv-210 (E.D. Tex.). The suit alleges that Canadian Solar, Inc., via its affiliates, is directly or indirectly infringing on three patents now held by Maxeon relating to tunnel oxide passivated contact solar photovoltaic module technology (commonly referred to in the solar industry as "TOPCon" technology).

As one of the largest solar product manufacturers in the world, Canadian Solar manufactures and sells many different types of solar products, both in the United States and elsewhere in the world, including TOPCon solar modules. As a technology company, Canadian Solar respects and takes very seriously its own intellectual property rights and those of third parties. Canadian Solar has itself filed and received thousands of patents in various jurisdictions for solar cells and related technology.

Although Canadian Solar is continuing to consult its lawyers and study Maxeon's complaint, the Company's preliminary assessment is that the claims in the complaint are entirely without merit. Canadian Solar denies that its TOPCon technology infringes on Maxeon's patents and intends to vigorously defend itself against Maxeon's claims. Canadian Solar is confident that its TOPCon technology and processes will be vindicated in court at the appropriate time. Meanwhile, Canadian Solar will continue to sell high quality solar products in the United States and elsewhere, as it has done since its founding in Canada more than 20 years ago.

About Canadian Solar Inc.

Canadian Solar was founded in 2001 in Canada and is one of the world's largest solar technology and renewable energy companies. It is a leading manufacturer of solar photovoltaic modules, provider of solar energy and battery energy storage solutions, and developer of utility-scale solar power and battery energy storage projects with a geographically diversified pipeline in various stages of development. Over the past 22 years, Canadian Solar has successfully delivered over 118 GW of premium-quality, solar photovoltaic modules to customers across the world. Likewise, since entering the project development business in 2010, Canadian Solar has developed, built, and connected around 10 GWp of solar power projects and 3.3 GWh of battery energy storage projects across the world. Currently, the Company has approximately 1 GWp of solar power projects in operation, 7.4 GWp of projects under construction or in backlog (late-stage), and an additional 19.9 GWp of projects in advanced and early-stage pipeline. In addition, the Company has 600 MWh of battery energy storage projects in operation and a total battery energy storage project development pipeline of approximately 55 GWh, including approximately 3.5 GWh under construction or in backlog, and an additional 51 GWh at advanced and early-stage development. Canadian Solar is one of the most bankable companies in the solar and renewable energy industry, having been publicly listed on the NASDAQ since 2006. For additional information about the Company, follow Canadian Solar on LinkedIn or visit

Safe Harbor/Forward-Looking Statements

Certain statements in this press release are forward-looking statements that involve a number of risks and uncertainties that could cause actual results to differ materially. These statements are made under the "Safe Harbor" provisions of the U.S. Private Securities Litigation Reform Act of 1995. In some cases, you can identify forward-looking statements by such terms as "believes," "expects," "anticipates," "intends," "estimates," the negative of these terms, or other comparable terminology. Factors that could cause actual results to differ include general business, regulatory and economic conditions and the state of the solar and battery storage market and industry; geopolitical tensions and conflicts, including impasses, sanctions and export controls; volatility, uncertainty, delays and disruptions related to the COVID-19 pandemic; supply chain disruptions; governmental support for the deployment of solar power; future available supplies of high-purity silicon; demand for end-use products by consumers and inventory levels of such products in the supply chain; changes in demand from significant customers; changes in demand from major markets, such as Japan, the U.S., China, Brazil and Europe; changes in effective tax rates; changes in customer order patterns; changes in product mix; changes in corporate responsibility, especially environmental, social and governance ("ESG") requirements; capacity utilization; level of competition; pricing pressure and declines in or failure to timely adjust average selling prices; delays in new product introduction; delays in utility-scale project approval process; delays in utility-scale project construction; delays in the completion of project sales; continued success in technological innovations and delivery of products with the features that customers demand; shortage in supply of materials or capacity requirements; availability of financing; exchange and inflation rate fluctuations; litigation and other risks as described in the Company's filings with the Securities and Exchange Commission, including its annual report on Form 20-F filed on April 18, 2023. Although the Company believes that the expectations reflected in the forward-looking statements are reasonable, it cannot guarantee future results, level of activity, performance, or achievements. Investors should not place undue reliance on these forward-looking statements. All information provided in this press release is as of today's date, unless otherwise stated, and Canadian Solar undertakes no duty to update such information, except as required under applicable law.

Canadian Solar Inc. Investor Relations Contact

Wina Huang
Investor Relations
Canadian Solar Inc. 

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SOURCE Canadian Solar Inc.


What is the patent infringement lawsuit against Canadian Solar Inc. about?

The lawsuit involves Maxeon Solar Pte. alleging that Canadian Solar, Inc. is infringing on three patents related to tunnel oxide passivated contact solar photovoltaic module technology.

How does Canadian Solar respond to the lawsuit?

Canadian Solar denies that its TOPCon technology infringes on Maxeon's patents and plans to vigorously defend itself against the claims.

What types of solar products does Canadian Solar manufacture?

Canadian Solar manufactures and sells various types of solar products, including TOPCon solar modules, in the United States and globally.

How long has Canadian Solar been in operation?

Canadian Solar has been in operation for over 20 years since its founding in Canada.

Canadian Solar Inc.


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About CSIQ

canadian solar inc. (csi) designs, develops, manufactures and sells solar cell and module products that convert sunlight into electricity for a variety of uses. the company conducts all of its manufacturing operations in china. the company's products include a range of standard solar modules built to general specifications for use in a range of residential, commercial and industrial solar power generation systems. it also designs and produces specialty solar modules and products based on its customers' requirements. specialty solar modules and products consist of customized modules that its customers incorporate into their own products, such as solar-powered bus stop lighting, and complete specialty products, such as solar-powered car battery chargers. it sells its products under its canadian solar brand name and to original equipment manufacturing (oem) customers under their brand names.