Chinese solar manufacturers LONGi and Jinko Solar, along with Indian PV manufacturer Waaree Energies, have been named in a series of patent disputes filed in China and the US.
According to Qcells, the recipient companies are allegedly producing and selling products using laser enhanced contact optimization technology, for which it holds the patent.
Chinese solar module manufacturer JinkoSolar has filed a patent infringement action in the US District Court for the Northern District of California (San Francisco) against VSUN Solar USA, Toyo and its affiliates in the US and abroad.
They relate to the tunnel oxide passivated contact (TOPCon)solar cells used in Runergy and Adani’s products sold in the US and the manufacturing processes for those cells.
The company filed two complaints in the Munich and Hamburg local divisions of the UPC, regarding tunnel oxide passivated contact (TOPCon) solar cell patent infringements.
US solar manufacturer First Solar has started an investigation into several crystalline-silicon cell solar manufacturers for potential infringement of its patents.
