LEAN

LIVE

Serial Number

98824552

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: 98824552 • Registration: 8106421

LEAN is a trademark filed by Lean FRO, LLC on October 28, 2024. The trademark is classified under Class 41 (Education & Entertainment). The application is currently registered and active.

Trademark Classes

Class 41 - Education & Entertainment

Education; providing of training; entertainment; sporting and cultural activities

Owner Contact Info

Lean FRO, LLC (6 trademarks)

160 Alewife Brook Pkwy #1212
Cambridge, MA 02138

Entity Type: 16

Legal Representation

Attorney of Record

Stacy E. Don

1,033 trademarks filed View all →

Correspondence Address

Stacy E. Don LAW OFFICE OF STACY E. DON

8203 SIERRA COLLEGE BLVD.

ROSEVILLE, CA 95661

United States

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 a website featuring resources, namely, non-downloadable publications in the nature of guides, tutorials, articles, and technical documentation in the field of mathematics and open source functional programming language for use in mathematics, proof automation, and verified code synthesis; Providing online publications in the nature of guides, tutorials, articles and technical documentation guides for using open source functional programming language in the field of mathematics, proof automation and verified code synthesis

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

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