Patent
Federal Circuit upholds EV charger patent against Tesla challenge
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A split panel of the U.S. Court of Appeals for the Federal Circuit has affirmed a decision upholding the validity of Charge Fusion Technologies' electric vehicle charging patent, rejecting Tesla's appeal. The ruling supports the Patent Trial and Appeal Board's finding that Tesla failed to prove the claims unpatentable. The patent is also at issue in a related infringement lawsuit against Tesla.
A Tesla patent application published on February 19, 2026, outlines a dual-battery system for electric vehicles, including a trailer-mounted auxiliary pack. Filed in August 2024, it details integration with the primary battery via advanced management modes. The design addresses past issues with the cancelled Cybertruck range extender.
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Tesla has patented a revolutionary one-piece composite seat frame for its upcoming next-generation Roadster. The design replaces traditional multi-part assemblies with a single continuous structure, aiming to reduce complexity and improve support. The patent emerges ahead of the vehicle's expected reveal on April 1, 2026.