In the first instance, the Düsseldorf Regional Court in Germany ruled in favor of Hanwha Q-Cells, but Longi Solar has appealed the judgment. There is also still a struggle for the validity of the patent between the photovoltaic companies at the European Patent Office. In addition to Longi Solar, REC is also reporting another partial success in the legal dispute with the South Korean photovoltaic manufacturer.
Longi Solar had filed two lawsuits in China against the validity of two patents of the photovoltaic manufacturer from South Korea. Hanwha Q-Cells sees now a good chance of being successful in proceedings before the European Patent Office.
The Chinese-Canadian manufacturer acknowledged the latest legal filing, which it said will be instituted next month.
Californian solar module manufacturer Solaria Corporation has asked the U.S. International Trade Commission to issue an exclusion order to prevent the sale in the United States of Canadian Solar shingled solar modules it claims infringe its patents.
Huawei said the Guangzhou Intellectual Property Court in China has ruled in its favor in a patent dispute with its Israeli rival.
The patent infringement claim concerns a process for separating photovoltaic strips from silicon solar cells for use in more-efficient tiled or “shingled” solar panels.
The patentability of Korean company Hanwha’s technology is being examined by a U.S. commission, according to Jinko. The Chinese manufacturer said it expects a final decision by December. Hanwha responded by announcing its decision to appeal.
In the petition, the manufacturers claim their Korean rival’s patent assertions should be declared invalid as there is evidence the innovations they refer to were either not new or were obvious steps forward.
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