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First Solar Sues JinkoSolar Over Alleged TOPCon Patent Infringement

In a major legal battle in the solar industry, First Solar has filed a lawsuit against JinkoSolar in a US federal court in Delaware, alleging that the Chinese solar giant infringed on US Patent No. 9,130,074, which covers tunnel oxide passivated contact (TOPCon) solar technology.

Patent Dispute in Advanced Solar Tech

TOPCon technology is a high-efficiency solar cell innovation that improves power output and durability. With global manufacturers racing to enhance module efficiency, intellectual property (IP) rights over such advancements have become a key competitive factor.

First Solar’s lawsuit aims to protect its proprietary TOPCon technology and potentially restrict JinkoSolar’s sales of affected products in the US market. The legal action signals growing tensions between US and Chinese solar manufacturers, especially amid increasing trade and IP disputes in the renewable energy sector.

Broader Implications for the Solar Industry

• Potential Impact on JinkoSolar’s US Operations – If the court rules in favor of First Solar, JinkoSolar may face import restrictions, licensing costs, or product recalls in the US market.
• Increased Focus on Solar Patents – As solar technology evolves, companies may intensify their IP protection strategies, leading to more legal battles in the industry.
• Market Disruptions – Legal disputes could impact the pricing, availability, and competitiveness of TOPCon modules in the US and global markets.

This case will be closely watched by the solar manufacturing sector, as its outcome could influence future innovations, patent enforcement, and global trade dynamics in the renewable energy space.