Ascend wins lithium-ion battery additive patent case against Samsung SDI

Green Car Congress
By mmillikinAug 6, 2021, 5:30 am300 pts
Ascend Performance Materials has successfully challenged a lithium-ion battery technology patent held by Samsung SDI. In a final written decision, the US Patent Trial and Appeal Board held that all of the challenged claims were invalid for multiple reasons. The board’s decision broadly enables manufacturers…

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