NRCC
NOTICE OF REGISTRATION CONFIRMATION EMAILED
01/20/2026
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Official data from USPTO
LEAN
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Active USPTO registrationType: CombinedOffice: United States
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
19
Latest update
01/20/2026
Trademark type
Combined
Nice classes
42
Filing date
10/28/2024
Registration date
01/20/2026
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
01/20/2026
Last transaction
01/20/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
First use anywhere
11/16/2013
First use in commerce
11/16/2013
Drawing code
5
Owner type
16
Owner location
Cambridge, MA, US
Examiner
MCNAMARA, SHANA MARIE
Law office
N70
Current location
FILE REPOSITORY (FRANCONIA)
Mark description
The mark consists of the word LEAN in stylized uppercase letters with the letter "E" turned backwards and the letter "A" upside down.
Holders and representatives
Holders
Lean FRO, LLC
Representatives
Stacy E. Don Law Office of Stacy E. Don
Technical classification
Nice Classes
Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 42
Providing temporary use of on-line non-downloadable open-source software featuring functional programming language for use in mathematicsproof automationverified code synthesis; Research and development in the field of mathematics and open source functional programming language for use in mathematicsproof automationverified code synthesis; Providing an online website featuring technology that allows users to access open source functional programming language for use in mathematicsproof automationverified code synthesisrelated information about use and best practices for use of open source functional programming language for use in mathematicsproof automationverified code synthesis; Researchingdevelopingmaintainingproviding an online website featuring technology that allows users to access a repository of computer code in the field of mathematicsproof automationverified code synthesis; Providing information relating to a functional computer programming language and its development environment in the field of mathematicsproof automation and verified code synthesis; Providing temporary use of onlinenon-downloadable software for implementing a computer programming languagecomputer software development toolscomputer software collections in the field of mathematicsproof automationverified code synthesis; Providing temporary use of onlinenon-downloadable software for use in mathematicsproof automationcode verification
Publications
History of USPTO decisions and trademark events.
19 publications found
R.PR
REGISTERED-PRINCIPAL REGISTER
01/20/2026
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
12/02/2025
PUBO
PUBLISHED FOR OPPOSITION
12/02/2025
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
11/26/2025
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
11/05/2025
XAEC
EXAMINER'S AMENDMENT ENTERED
11/05/2025
GNEN
NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
11/05/2025
GNEA
EXAMINERS AMENDMENT E-MAILED
11/05/2025
CNEA
EXAMINERS AMENDMENT -WRITTEN
11/05/2025
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
07/23/2025
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
07/22/2025
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
07/22/2025
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
05/28/2025
GNRT
NON-FINAL ACTION E-MAILED
05/28/2025
CNRT
NON-FINAL ACTION WRITTEN
05/28/2025
DOCK
ASSIGNED TO EXAMINER
04/29/2025
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
04/28/2025
NWAP
NEW APPLICATION ENTERED
10/28/2024
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