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Overview of 2025 Patent Activity: Li-ion Batteries

Thriving patenting activity is dominated by applications in China and well-known Asian battery manufacturers. Top 4 of 2025 patent applicants LGES, CATL, Gotion, Samsung) hold about 9% of 2025 patent families. General Motors is the sole non-asian company among main 2025 patent applicants.

A patent family is a set of patent applications filed in multiple countries to protect a single invention by a common inventor(s). A first patent application is filed in one country – the priority country – and is then extended to other countries. Source: Patent search was done in December 2025 by KnowMade, using keywords and IPC/CPCs H01M, H02J007) in Orbit Questel) which provides 100+ million patent documents from 100 patent offices USA, Japan, Europe, China, Korea, Taiwan, Hong Kong, Singapore, etc.).

Extracted from the PDF; charts and images may read imperfectly.