Pax Labs Inc. sued competitor Stiiizy Inc. and its manufacturer ALD Group Ltd. for allegedly infringing four patents with vape pens they make and sell.
Stiiizy and Hong Kong-based ALD make vaporizing devices, including a cartridge and battery, that utilize similar methods as Pax Labs’ patents, according to separate complaints filed Monday in the US District Court for the Central District of California. Pax Labs said the companies infringed US Patent Nos. 11,369,756, 11,369,757, 11,766,527 and 11,759,580 which deal with methods for leak-resistant vaporizer cartridges and apparatuses.
Pax Labs developed the Juul e-cigarette before spinning off Juul as ...
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