TOKYO -- Chinese EV giant BYD has filed 16 times more patents over the past 20 years than industry leader Tesla, using legal frameworks to protect its battery technology while its U.S. competitor relies on production advances that are difficult to imitate.
Electric cars in China
BYD outpaces Tesla 16-fold in patent filings
EV rivals take different roads to protect proprietary technology
BYD's e-platform 3.0 chassis incorporates the EV battery, cutting production costs. (Photo by Takashi Kawakami)
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