{"id":1823,"date":"2026-01-16T10:00:00","date_gmt":"2026-01-16T01:00:00","guid":{"rendered":"https:\/\/canadiansolar-energy.co.jp\/en\/news_release\/?p=1823"},"modified":"2026-01-16T18:18:19","modified_gmt":"2026-01-16T09:18:19","slug":"u-s-patent-trial-and-appeal-board-invalidates-maxeon-patents-in-favor-of-canadian-solar","status":"publish","type":"post","link":"https:\/\/canadiansolar-energy.co.jp\/en\/news_release\/2026\/1823.html","title":{"rendered":"U.S. Patent Trial and Appeal Board Invalidates Maxeon Patents in Favor of Canadian Solar"},"content":{"rendered":"\n

KITCHENER, ON,\u00a0Jan. 15, 2026\u00a0\/PRNewswire\/ —\u00a0Canadian Solar Inc.<\/a>\u00a0(NASDAQ: CSIQ) (the “Company”, or “Canadian Solar”) today announced a decisive victory in litigation proceedings against\u00a0Maxeon Solar Pte. Ltd.\u00a0(“Maxeon”) before the Patent Trial and Appeal Board (“PTAB”) of the United States Patent and Trademark Office (“USPTO”). In Final Written Decisions, the PTAB ruled in\u00a0Canadian Solar’s\u00a0favor, holding that all claims asserted by Maxeon against\u00a0Canadian Solar\u00a0relating to\u00a0alleged\u00a0infringement of patents at issue in the federal court litigation are invalid.

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As a global leader in solar and energy storage technology,\u00a0Canadian Solar\u00a0has built its competitive position on proprietary R&D and sustained innovation. The Company has developed a robust global intellectual property portfolio spanning the entire value chain. This victory not only reflects the fairness and soundness of the international intellectual property protection framework, but also demonstrates\u00a0Canadian Solar’s\u00a0solid technological foundation and its mature legal capabilities.

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Colin Parkin, President of Canadian Solar,\u00a0<\/strong>commented: “The final decision issued by the USPTO once again affirms that\u00a0Canadian Solar’s\u00a0technology and legal teams have always respected and placed great importance on protecting both our own and our peers’ intellectual property. At the same time, we firmly oppose the misuse or weaponization of patents\u2014particularly those lacking patentability or practical value\u2014which can distort competition and impede genuine innovation.”

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To date,\u00a0Canadian Solar Group\u00a0has filed more than 5,000 patent applications and has been granted more than 4,000 patents.

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About Canadian Solar Inc.<\/strong><\/p>\n\n\n\n

Canadian Solar\u00a0is one of the world’s largest solar technology and renewable energy companies. Founded in 2001 and headquartered in\u00a0Kitchener, Ontario, the Company is a leading manufacturer of solar photovoltaic modules; provider of solar energy and battery energy storage solutions; and developer, owner, and operator of utility-scale solar power and battery energy storage projects. Over the past 24 years,\u00a0Canadian Solar\u00a0has successfully delivered nearly 170 GW of premium-quality, solar photovoltaic modules to customers across the world. Through its subsidiary e-STORAGE,\u00a0Canadian Solar\u00a0has shipped over 16 GWh of battery energy storage solutions to global markets as of\u00a0September 30, 2025, boasting a\u00a0$3.1 billion\u00a0contracted backlog as of\u00a0October 31, 2025. Since entering the project development business in 2010,\u00a0Canadian Solar\u00a0has developed, built, and connected approximately 12 GWp of solar power projects and 6 GWh of battery energy storage projects globally. Its geographically diversified project development pipeline includes 25 GWp of solar and 81 GWh of battery energy storage capacity in various stages of development.\u00a0Canadian Solar\u00a0has been publicly listed on the NASDAQ since 2006.

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Safe Harbor\/Forward-Looking Statements<\/strong><\/p>\n\n\n\n

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\u00a0U.S.\u00a0Private Securities Litigation Reform Act of 1995. In some cases, you can identify forward-looking statements by such terms as “may”, “will”, “expect”, “anticipate”, “future”, “ongoing”, “continue”, “intend”, “plan”, “potential”, “prospect”, “guidance”, “believe”, “estimate”, “is\/are likely to” or similar expressions, the negative of these terms, or other comparable terminology. These forward-looking statements include, among other things, our expectations regarding global electricity demand and the adoption of solar and battery energy storage technologies; our growth strategies, future business performance, and financial condition; our transition to a long-term owner and operator of clean energy assets and expansion of project pipelines; our ability to monetize project portfolios, manage supply chain fluctuations, and respond to economic factors such as inflation and interest rates; our outlook on government incentives, trade measures, regulatory developments, and geopolitical risks; our expectations for project timelines, costs, and returns; competitive dynamics in solar and storage markets; our ability to execute supply chain, manufacturing, and operational initiatives; access to capital, debt obligations, and covenant compliance; relationships with key suppliers and customers; technological advancement and product quality; and risks related to intellectual property, litigation, and compliance with environmental and sustainability regulations. Other risks were described in the Company’s filings with the Securities and Exchange Commission, including its annual report on Form 20-F filed on\u00a0April 30, 2025. 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\u00a0Canadian Solar\u00a0undertakes no duty to update such information, except as required under applicable law.

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CANADIAN SOLAR INC. INVESTOR RELATIONS CONTACT
<\/strong>Wina Huang
Investor Relations
Canadian Solar Inc.
investor@canadiansolar.com<\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"

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