The Chinese photovoltaic manufacturer said the recent invalidation procedure for its patent at the Chinese Patent Office’s examination and invalidity department is only an administrative examination procedure that only examines whether or not the authorized Chinese patent complies with patent law requirements.
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 SunPower spinoff claims that Canadian Solar has infringed its Japan Patent No. JP6642841B2 for shingled solar modules.
The Chinese-Canadian manufacturer acknowledged the latest legal filing, which it said will be instituted next month.
Huawei said the Guangzhou Intellectual Property Court in China has ruled in its favor in a patent dispute with its Israeli rival.
The Chinese monocrystalline module maker said it had not been notified of the legal action by its Korean rival. Longi claimed there is considerable uncertainty over the validity of the patents at the root of the lawsuits, which the Chinese defendant says relate to ALD technology. Longi says it uses PECVD technology for cell production.
Following the claim filed in June, SolarEdge now alleges Huawei has infringed two more of its patents. With its HD-wave inverter topology the subject of the first lawsuit, the Israeli manufacturer now says its Chinese rival also copied its power optimizer technology.
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