LEAN
LIVE

Serial Number

98824553

Owner

Lean FRO, LLC

Attorney

Stacy E. Don

First Use Date

Jul 24, 2013

Filing Date

Oct 28, 2024

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LEAN Trademark

Serial Number: 98824553 • Registration: 8106422

LEAN is a trademark filed by Lean FRO, LLC on October 28, 2024. The trademark is classified under Class 42 (Computer & Scientific). The application is currently registered and active.

Owner Contact Info

Lean FRO, LLC (6 trademarks)

160 Alewife Brook Pkwy #1212
Cambridge, MA 02138

Entity Type: 16

Trademark Details

Filing Date

October 28, 2024

Registration Date

January 20, 2026

First Use Anywhere

July 24, 2013

First Use in Commerce

July 24, 2013

Published for Opposition

December 2, 2025

Goods & Services

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 computer programming language and its development environment in the field of mathematics, proof automation and verified code synthesis; Providing temporary use of online, non-downloadable software for implementing a computer programming language, computer software development tools, and computer software collections in the field of mathematics, proof automation, and verified code synthesis; Providing temporary use of online, non-downloadable software for use in mathematics, proof automation, and code verification

Filing History

NOTICE OF REGISTRATION CONFIRMATION EMAILED
Jan 20, 2026 NRCC
REGISTERED-PRINCIPAL REGISTER
Jan 20, 2026 R.PR
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Dec 2, 2025 NPUB
PUBLISHED FOR OPPOSITION
Dec 2, 2025 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Nov 26, 2025 NONP
APPROVED FOR PUB - PRINCIPAL REGISTER
Nov 5, 2025 CNSA
EXAMINER'S AMENDMENT ENTERED
Nov 5, 2025 XAEC
NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
Nov 5, 2025 GNEN
EXAMINERS AMENDMENT E-MAILED
Nov 5, 2025 GNEA
EXAMINERS AMENDMENT -WRITTEN
Nov 5, 2025 CNEA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Sep 3, 2025 TCCA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Sep 3, 2025 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Sep 3, 2025 REAP
TEAS/EMAIL CORRESPONDENCE ENTERED
Jun 30, 2025 TEME
CORRESPONDENCE RECEIVED IN LAW OFFICE
Jun 30, 2025 CRFA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
Jun 30, 2025 TROA
NOTIFICATION OF NON-FINAL ACTION E-MAILED
Mar 31, 2025 GNRN
NON-FINAL ACTION E-MAILED
Mar 31, 2025 GNRT
NON-FINAL ACTION WRITTEN
Mar 31, 2025 CNRT
ASSIGNED TO EXAMINER
Mar 26, 2025 DOCK
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Oct 28, 2024 NWOS
NEW APPLICATION ENTERED
Oct 28, 2024 NWAP