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Wed, Apr 29, 2026

2 articles published on this day, newest first.

First Solar asks US to review alleged TOPCon patent infringement by 10 competitors
PatentsUSA

First Solar Initiates ITC Probe Against Ten Rivals Over Alleged TOPCon Patent Violations

Section 337 complaint targets major crystalline silicon panel makers, seeking broad exclusion of infringing TOPCon solar cells from U.S. market

First Solar has filed a Section 337 complaint with the U.S. International Trade Commission, alleging that ten leading solar panel manufacturers have infringed its patent covering tunnel oxide passivated contact (TOPCon) technology. The company seeks a general exclusion order to block imports of any TOPCon solar cells…

Wednesday, April 29, 2026
IIPLA News Desk
Trina Solar TOPCon patents invalidated in U.S. ruling involving Canadian Solar
PatentsUSA

USPTO Overturns Trina Solar’s TOPCon Patents in Legal Clash with Canadian Solar

All Claims in Two Trina Solar Patents Invalidated Amid Broader International Patent Disputes

The United States Patent and Trademark Office has issued final written decisions invalidating all claims of two TOPCon solar cell patents previously asserted by Trina Solar against Canadian Solar subsidiaries. This development marks a significant turn in the ongoing legal battles between the two solar manufacturers, w…

Wednesday, April 29, 2026
IIPLA News Desk
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USAPatents

First Solar Initiates ITC Probe Against Ten Rivals Over Alleged TOPCon Patent Violations

First Solar has filed a Section 337 complaint with the U.S. International Trade Commission, alleging that ten leading solar panel manufacturers have infringed its patent covering tunnel oxide passivated contact (TOPCon) technology. The company seeks a general exclusion order to block imports of any TOPCon solar cells…

Wednesday, April 29, 2026
2
USAPatents

USPTO Overturns Trina Solar’s TOPCon Patents in Legal Clash with Canadian Solar

The United States Patent and Trademark Office has issued final written decisions invalidating all claims of two TOPCon solar cell patents previously asserted by Trina Solar against Canadian Solar subsidiaries. This development marks a significant turn in the ongoing legal battles between the two solar manufacturers, w…

Wednesday, April 29, 2026
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IIPLA News Desk
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