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JinkoSolar files patent infringement lawsuit against LONGi in Germany

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News flash

  • A JinkoSolar subsidiary, has filed a patent infringement lawsuit against LONGi in Munich, Germany. 

The patent infringement relates to selective doping of solar cell passivation which leads to higher efficiency. The patent originally belonged to LG Electronics which was acquired by JinkoSolar.

LONGi Green Energy Technology, its subsidiaries Longi (Netherlands) Trading B.V.,  Toms-Car- hifi, LONGi Solar Technologie GmbH, and the European distributor of PV products Energy 3000 solar GmbH, have been named as respondents in the case.

Link to the full case filing HERE

JinkoSolart initially filed the lawsuit in China in January 2025 regarding IP claims related to TOPCon, later taking it to Japan, and then Australia. Read more

LONGi subsequently countered with their own lawsuit against JinkoSolar in Texas, USA, in February 2025. Read more

Author: Bryan Groenendaal

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Green Building Africa promotes the need for net carbon zero buildings and cities in Africa. We are fiercely independent and encourage outlying thinkers to contribute to the #netcarbonzero movement. Climate change is upon us and now is the time to react in a more diverse and broader approach to sustainability in the built environment. We challenge architects, property developers, urban planners, renewable energy professionals and green building specialists. We also challenge the funding houses and regulators and the role they play in facilitating investment into green projects. Lastly, we explore and investigate new technology and real-time data to speed up the journey in realising a net carbon zero environment for our children.

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