REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
04/13/2026
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Official data from USPTO
KEYLIGHT
Did you know this trademark is already registered in United States?
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Active USPTO registrationType: WordOffice: United States
Quick snapshot
KEYLIGHT
ST13
US500000088607762Class
9, 10, 11
Filing
88607762
Registration
6323265
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
39
Latest update
04/14/2026
Trademark type
Word
Nice classes
9, 10, 11
Filing date
09/06/2019
Registration date
04/13/2021
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
04/13/2021
Last transaction
04/14/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
01/27/2020
First use in commerce
02/04/2020
Drawing code
4
Owner type
03
Owner location
Pittsburgh, PA, US
Examiner
WEIGLE, KATHERINE CONNOLLY
Law office
L10
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
EXCELITAS TECHOLOGIES CORP.
Phoseon Technology, Inc
Representatives
Douglas R. Wolf Wolf Greenfield & Sacks, P.C.
Technical classification
Nice Classes
Class 9Class 10Class 11
Vienna Codes
No Vienna codes available.
Goods and services
Class 9
Imaging light sources for microscopy and fluorescent microscopylight emitting diodes (LEDs)
Class 10
Light sources for endoscopic and robotic surgerylight emitting diode (LED) apparatus for lightingincorporated into medical instruments; Light sources for endoscopic and robotic surgerylight emitting diodes (LEDs) specially adapted for surgical use
Class 11
High intensitynarrow beam lampsLED light engines
Publications
History of USPTO decisions and trademark events.
39 publications found
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
10/08/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
09/23/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
09/23/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
09/23/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
09/23/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
09/23/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
09/19/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
09/19/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
09/19/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
09/19/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
09/19/2025
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
07/11/2024
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
04/18/2023
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
04/18/2023
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
04/18/2023
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
04/18/2023
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
04/18/2023
R.PR
REGISTERED-PRINCIPAL REGISTER
04/13/2021
SUNA
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
03/09/2021
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
03/08/2021
SUPC
STATEMENT OF USE PROCESSING COMPLETE
02/24/2021
AITU
CASE ASSIGNED TO INTENT TO USE PARALEGAL
02/24/2021
IUAF
USE AMENDMENT FILED
02/03/2021
EISU
TEAS STATEMENT OF USE RECEIVED
02/03/2021
NOAM
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
08/04/2020
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
06/09/2020
PUBO
PUBLISHED FOR OPPOSITION
06/09/2020
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
05/20/2020
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
05/01/2020
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
04/30/2020
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
04/29/2020
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
04/29/2020
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
12/10/2019
GNRT
NON-FINAL ACTION E-MAILED
12/10/2019
CNRT
NON-FINAL ACTION WRITTEN
12/10/2019
DOCK
ASSIGNED TO EXAMINER
12/09/2019
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
09/18/2019
NWAP
NEW APPLICATION ENTERED
09/10/2019
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