LIVE

Serial Number

86485569

Owner

Littelfuse, Inc.

Attorney

Karen Feisthamel

First Use Date

Feb 19, 2019

Filing Date

Dec 18, 2014

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LF Trademark

Serial Number: 86485569 • Registration: 5709934

LF is a trademark filed by Littelfuse, Inc. on December 18, 2014. The trademark is classified under Class 9 (Computers & Electronics). The application is currently registered and active.

Trademark Classes

Class 9 - Computers & Electronics

Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments

Owner Contact Info

Littelfuse, Inc. (142 trademarks)

Chicago, IL 60631

Entity Type: 03

Legal Representation

Attorney of Record

Karen Feisthamel

684 trademarks filed View all →

Correspondence Address

Karen Feisthamel KDW Firm PLLC

2601 Weston Parkway, Suite 103

Cary, NC 27513

United States

Trademark Details

Filing Date

December 18, 2014

Registration Date

March 26, 2019

First Use Anywhere

February 19, 2019

First Use in Commerce

February 19, 2019

Published for Opposition

December 29, 2015

Goods & Services

Fuses; electrical 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 devices, namely, fuses; gas discharge tubes; metal oxide varistors; multi-layer varistors; polymeric electrostatic discharge (ESD) suppressors; surge protection modules

Filing History

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

Aug 11, 2025 NA85

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

Aug 11, 2025 C15A

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 25, 2025 APRE

TEAS SECTION 8 & 15 RECEIVED

Mar 25, 2025 E815

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

Mar 26, 2024 REM1

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Nov 22, 2021 CHAN

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 22, 2021 TCCA

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Nov 22, 2021 EWAF

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 22, 2021 ARAA

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

Nov 22, 2021 REAP

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Nov 22, 2021 COAR

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 17, 2019 TCCA

REGISTERED-PRINCIPAL REGISTER

Mar 26, 2019 R.PR

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Feb 22, 2019 SUNA

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Feb 21, 2019 CNPR

STATEMENT OF USE PROCESSING COMPLETE

Feb 21, 2019 SUPC

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 19, 2019 TCCA

USE AMENDMENT FILED

Feb 19, 2019 IUAF

TEAS STATEMENT OF USE RECEIVED

Feb 19, 2019 EISU

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Aug 7, 2018 EXRA

SOU EXTENSION 5 GRANTED

Aug 6, 2018 EX5G

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Aug 6, 2018 AITU

SOU EXTENSION 5 FILED

Jul 30, 2018 EXT5

SOU TEAS EXTENSION RECEIVED

Jul 30, 2018 EEXT

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 30, 2018 TCCA

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Feb 20, 2018 EXRA

SOU EXTENSION 4 GRANTED

Feb 17, 2018 EX4G

SOU EXTENSION 4 FILED

Feb 17, 2018 EXT4

SOU TEAS EXTENSION RECEIVED

Feb 17, 2018 EEXT

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 17, 2018 TCCA

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Aug 24, 2017 EXRA

SOU EXTENSION 3 GRANTED

Aug 22, 2017 EX3G

SOU EXTENSION 3 FILED

Aug 22, 2017 EXT3

SOU TEAS EXTENSION RECEIVED

Aug 22, 2017 EEXT

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 23, 2017 TCCA

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Feb 15, 2017 EXRA

SOU EXTENSION 2 GRANTED

Feb 13, 2017 EX2G

SOU EXTENSION 2 FILED

Feb 13, 2017 EXT2

SOU TEAS EXTENSION RECEIVED

Feb 13, 2017 EEXT

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 8, 2017 TCCA

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Aug 23, 2016 EXRA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 19, 2016 TCCA

SOU EXTENSION 1 GRANTED

Aug 19, 2016 EX1G

SOU EXTENSION 1 FILED

Aug 19, 2016 EXT1

SOU TEAS EXTENSION RECEIVED

Aug 19, 2016 EEXT

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Feb 23, 2016 NOAM

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Dec 29, 2015 NPUB

PUBLISHED FOR OPPOSITION

Dec 29, 2015 PUBO

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Dec 9, 2015 NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 7, 2015 CNSA

TEAS/EMAIL CORRESPONDENCE ENTERED

Sep 16, 2015 TEME

CORRESPONDENCE RECEIVED IN LAW OFFICE

Sep 15, 2015 CRFA

TEAS REQUEST FOR RECONSIDERATION RECEIVED

Sep 15, 2015 ERFR

NOTIFICATION OF FINAL REFUSAL EMAILED

Sep 11, 2015 GNFN

FINAL REFUSAL E-MAILED

Sep 11, 2015 GNFR

FINAL REFUSAL WRITTEN

Sep 11, 2015 CNFR

TEAS/EMAIL CORRESPONDENCE ENTERED

Aug 21, 2015 TEME

CORRESPONDENCE RECEIVED IN LAW OFFICE

Aug 20, 2015 CRFA

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Aug 20, 2015 TROA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 20, 2015 TCCA

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Feb 20, 2015 GNRN

NON-FINAL ACTION E-MAILED

Feb 20, 2015 GNRT

NON-FINAL ACTION WRITTEN

Feb 20, 2015 CNRT

ASSIGNED TO EXAMINER

Feb 6, 2015 DOCK

NOTICE OF PSEUDO MARK E-MAILED

Dec 24, 2014 MPMK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 23, 2014 NWOS

NEW APPLICATION ENTERED

Dec 22, 2014 NWAP

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