Tesla Sues Matthews International Over Inventorship Rights (1)

Tesla Inc. accused Matthews International Corp. of breaking a contract concerning the development of a system for manufacturing a dry battery electrode and denying the automotive company inventor status on the disputed patent.

Porter Mitchell, an engineer at Maxwell Technologies Inc., began working on a concept for “Film to Lamination” before the company was acquired by Tesla, according to a complaint filed Thursday in the US District Court for the Northern District of California.

Matthews and Maxwell had an oral contract concerning the development of the technology and patent applications for what later became US Patent No. 12,136,727, according ...