First Solar sues JA Solar, AMPS over US TOPCon patent infringement claims

By Public Technologies
  • First Solar filed a patent infringement lawsuit in U.S. District Court in Delaware against JA Solar, alleging infringement of U.S. Patent No. 9,130,074.
  • The patent covers methods for manufacturing TOPCon crystalline silicon photovoltaic solar cells.
  • The complaint also names American Panel Solutions, alleging unauthorized use of the patented technology in the U.S. market.
  • First Solar said it acquired the TOPCon patent portfolio through its 2013 purchase of TetraSun.


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