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Official data from USPTO

LF

Did you know this trademark is already registered in United States?

Before investing in name, identity, and promotion, validate collision risk and registration strategy to avoid wasting time and budget.

Active USPTO registrationType: WordOffice: US

Quick snapshot

LF

ST13

US500000086485576

Class

9

Filing

86485576

Registration

5709935

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

Attention: there is active risk

USPTO status

Active USPTO registration

Case type

Application and registration

Recorded events

66

Latest update

07/26/2025

Classification

Registered

Trademark type

Word

Nice classes

9

Filing date

12/18/2014

Registration date

03/26/2019

Expiration date

-

Recommended action

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Next step

These are the details of the registration process. Even so, constant monitoring is what ensures peace of mind that your main asset remains protected.

Complete case details

Structured fields from the responsible authority and the official record.

Status date

07/25/2025

Last transaction

07/26/2025

Responsible office

United States Patent and Trademark Office

Status code

702

Official register

Principal Register

Filing basis

Intent to use

First use anywhere

02/19/2019

First use in commerce

02/19/2019

Drawing code

4

Owner type

03

Owner location

Chicago, IL

Examiner

LAVACHE, LINDA

Current location

Historical data usage

Holders and representatives

Holders

Littelfuse, Inc.

Representatives

Karen Feisthamel KDW Firm PLLC

Technical classification

Nice Classes

Class 9

Vienna Codes

No Vienna codes available.

Goods and services

Class 9

Fuses; fuses for automobiles; fuse clips; mounting devices for fuses; semiconductors; rectifiers; circuit overload protector devices; automotive fuses; fuse blocks; fuse holders; surge protectors; diodes; diode arrays; LED circuit protection devices; varistors; polymer resettable fuses; polymer positive temperature coefficient devicesfuses; gas discharge tubes; metal oxide varistors; multi-layer varistors; polymeric electrostatic discharge (ESD) suppressors; surge protection modules; power distribution modules

Publications

History of USPTO decisions and trademark events.

66 publications found

NA85

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

07/25/2025

C15A

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

07/25/2025

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

07/25/2025

E815

TEAS SECTION 8 & 15 RECEIVED

03/25/2025

REM1

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

03/26/2024

CHAN

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

11/22/2021

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

11/22/2021

EWAF

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

11/22/2021

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

11/22/2021

REAP

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

11/22/2021

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

11/22/2021

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

04/17/2019

R.PR

REGISTERED-PRINCIPAL REGISTER

03/26/2019

SUNA

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

02/22/2019

CNPR

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

02/21/2019

SUPC

STATEMENT OF USE PROCESSING COMPLETE

02/21/2019

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

02/19/2019

IUAF

USE AMENDMENT FILED

02/19/2019

EISU

TEAS STATEMENT OF USE RECEIVED

02/19/2019

EXRA

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

08/07/2018

EX5G

SOU EXTENSION 5 GRANTED

08/06/2018

AITU

CASE ASSIGNED TO INTENT TO USE PARALEGAL

08/06/2018

EXT5

SOU EXTENSION 5 FILED

07/30/2018

EEXT

SOU TEAS EXTENSION RECEIVED

07/30/2018

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

07/30/2018

EXRA

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

02/20/2018

EX4G

SOU EXTENSION 4 GRANTED

02/17/2018

EXT4

SOU EXTENSION 4 FILED

02/17/2018

EEXT

SOU TEAS EXTENSION RECEIVED

02/17/2018

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

02/17/2018

EXRA

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

08/24/2017

EX3G

SOU EXTENSION 3 GRANTED

08/22/2017

EXT3

SOU EXTENSION 3 FILED

08/22/2017

EEXT

SOU TEAS EXTENSION RECEIVED

08/22/2017

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

03/23/2017

EXRA

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

02/15/2017

EX2G

SOU EXTENSION 2 GRANTED

02/13/2017

EXT2

SOU EXTENSION 2 FILED

02/13/2017

EEXT

SOU TEAS EXTENSION RECEIVED

02/13/2017

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

02/08/2017

EXRA

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

08/23/2016

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

08/19/2016

EX1G

SOU EXTENSION 1 GRANTED

08/19/2016

EXT1

SOU EXTENSION 1 FILED

08/19/2016

EEXT

SOU TEAS EXTENSION RECEIVED

08/19/2016

NOAM

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

02/23/2016

NPUB

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

12/29/2015

PUBO

PUBLISHED FOR OPPOSITION

12/29/2015

NONP

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

12/09/2015

CNSA

APPROVED FOR PUB - PRINCIPAL REGISTER

10/07/2015

TEME

TEAS/EMAIL CORRESPONDENCE ENTERED

09/16/2015

CRFA

CORRESPONDENCE RECEIVED IN LAW OFFICE

09/15/2015

ERFR

TEAS REQUEST FOR RECONSIDERATION RECEIVED

09/15/2015

GNFN

NOTIFICATION OF FINAL REFUSAL EMAILED

09/11/2015

GNFR

FINAL REFUSAL E-MAILED

09/11/2015

CNFR

FINAL REFUSAL WRITTEN

09/11/2015

TEME

TEAS/EMAIL CORRESPONDENCE ENTERED

08/21/2015

CRFA

CORRESPONDENCE RECEIVED IN LAW OFFICE

08/20/2015

TROA

TEAS RESPONSE TO OFFICE ACTION RECEIVED

08/20/2015

GNRN

NOTIFICATION OF NON-FINAL ACTION E-MAILED

02/20/2015

GNRT

NON-FINAL ACTION E-MAILED

02/20/2015

CNRT

NON-FINAL ACTION WRITTEN

02/20/2015

DOCK

ASSIGNED TO EXAMINER

02/12/2015

MPMK

NOTICE OF PSEUDO MARK E-MAILED

12/24/2014

NWOS

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

12/23/2014

NWAP

NEW APPLICATION ENTERED

12/22/2014

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