Trademark Overview
On Monday, October 28, 2024, a trademark application was filed for LEAN with the United States Patent and Trademark Office. The USPTO has given the LEAN trademark a serial number of 98824553. The federal status of this trademark filing is RESPONSE AFTER NON-FINAL ACTION - ENTERED as of Monday, June 30, 2025. This trademark is owned by Lean FRO, LLC. The LEAN trademark is filed in the Computer & Software Services & Scientific Services category with the following description:
Providing temporary use of on-line non-downloadable open-source software featuring functional programming language for use in mathematics, proof automation, and verified code synthesis; Research and development in the field of mathematics and open source functional programming language for use in mathematics, proof automation, and verified code synthesis; Providing an online website featuring technology that allows users to access open source functional programming language for use in mathematics, proof automation, and verified code synthesis, and related information about use and best practices for use of open source functional programming language for use in mathematics, proof automation, and verified code synthesis; Researching, developing, maintaining, and providing an online website featuring technology that allows users to access a repository of computer code in the field of mathematics, proof automation, and verified code synthesis; Providing information relating to a functional...
