Battery technology — US PTAB Patent Cases
6 decisions indexed
Page 1 of 1 · 6 total
Zhuhai CosMX Battery Co., Ltd. v.Ningde Amperex Technology Ltd.
The PTAB denied Zhuhai CosMX Battery’s petition for inter partes review of Ningde Amperex’s lithium‑battery electrolyte patent, finding no reasonable likelihood of success on any claim.
Zhuhai CosMX Battery Co., Ltd. v.Ningde Amperex Technology Ltd.
CosMX seeks Director Review to overturn the Board’s decision instituting an IPR on Ningde’s battery patent. The request argues that conflicting claim constructions in two parallel petitions require denial under the Director’s guidance and discretionary authority.
Zhuhai CosMX Battery Co., Ltd. v.Ningde Amperex Technology Ltd.
Zhuhai CosMX Battery challenges Ningde Amperex Technology's lithium‑ion battery patent, arguing that the claimed electrolyte ratios and electrode compaction ranges are obvious in view of Zeng, Sunose, Matsuoka, Kim and other references. The petitioner seeks a finding that all 17 claims are unpatentable.
Zhuhai CosMX Battery Co., Ltd. v.Ningde Amperex Technology Ltd.
Zhuhai CosMX Battery petitions the PTAB to invalidate claims 1‑7, 12 and 14‑17 of Ningde Amperex’s ’131 lithium‑ion battery patent, asserting obviousness over multiple foreign and U.S. references.
Zhuhai CosMX Battery Co., Ltd. v.Ningde Amperex Technology Ltd.
The PTAB denied Zhuhai CosMX Battery’s petition to invalidate Ningde Amperex’s 2020 electrolyte patent, finding no reasonable likelihood of success. The Board held that the prior art did not adequately disclose all claim elements, especially the propyl propionate ratio.
Shenzhen Fbtech Electronics Ltd. et al. v.LithiumHub Technologies, LLC
Shenzhen Fbtech and LiTime have petitioned the PTAB to invalidate LithiumHub’s 9,954,207 solid‑state lithium battery patent. They rely on prior art such as Pevear, Porsche, Poff, Grant and Koebler to argue obviousness and lack of novelty across all 21 claims.
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