ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
04/22/2026
Back to search
Official data from USPTO
KEYSTONE
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: 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
32
Latest update
08/06/2026
Trademark type
Word
Nice classes
9, 11
Filing date
03/20/2024
Registration date
12/02/2025
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
12/02/2025
Last transaction
08/06/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
First use anywhere
1945-00-00
First use in commerce
1945-00-00
Drawing code
4
Owner type
16
Owner location
LANSDALE, PA, US
Examiner
ZAWACKI,JOEY LYNN
Law office
N50
Current location
FILE REPOSITORY (FRANCONIA)
Holders and representatives
Holders
KEYSTONE TECHNOLOGIES, LLC
Keystone Technologies International, LLC
Representatives
Rebecca L. Wilson The Dobrusin Law Firm, P.C.
Technical classification
Nice Classes
Class 9Class 11
Vienna Codes
No Vienna codes available.
Goods and services
Class 9
Electrical transformers; Electronic components in the nature of electronic ballastscompact fluorescent ballastsHID ballastselectronic sign ballaststransformersLED driverselectronic sensors; Fluorescent lamp ballast for electric lights; LED and HID light controls; Lighting ballasts; Photocells; Transformers; Lighting controls
Class 11
Electric lamps; Fluorescent electric light bulbs; Fluorescent lamp tubes; Fluorescent lamps; Fluorescent lighting tubes; Lamps; LED lighting systemsLED modulespower supplieswiring; LED lighting fixtures
Publications
History of USPTO decisions and trademark events.
32 publications found
NRCC
NOTICE OF REGISTRATION CONFIRMATION EMAILED
12/02/2025
R.PR
REGISTERED-PRINCIPAL REGISTER
12/02/2025
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
10/14/2025
PUBO
PUBLISHED FOR OPPOSITION
10/14/2025
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
10/08/2025
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
09/17/2025
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
08/13/2025
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
08/13/2025
ERFR
TEAS REQUEST FOR RECONSIDERATION RECEIVED
08/13/2025
GNS1
NOTIFICATION OF SUBSEQUENT FINAL EMAILED
06/02/2025
GNSF
SUBSEQUENT FINAL EMAILED
06/02/2025
CFRC
SUBSEQUENT FINAL REFUSAL WRITTEN
06/02/2025
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
05/09/2025
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
05/09/2025
ERFR
TEAS REQUEST FOR RECONSIDERATION RECEIVED
05/09/2025
XELG
APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED
04/30/2025
XELR
APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED
04/30/2025
GNFN
NOTIFICATION OF FINAL REFUSAL EMAILED
01/31/2025
GNFR
FINAL REFUSAL E-MAILED
01/31/2025
CNFR
FINAL REFUSAL WRITTEN
01/31/2025
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
01/02/2025
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
01/02/2025
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
01/02/2025
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
10/02/2024
GNRT
NON-FINAL ACTION E-MAILED
10/02/2024
CNRT
NON-FINAL ACTION WRITTEN
10/02/2024
DOCK
ASSIGNED TO EXAMINER
09/24/2024
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
04/02/2024
TAEA
TEAS AMENDMENT ENTERED BEFORE ATTORNEY ASSIGNED
03/22/2024
PARI
TEAS VOLUNTARY AMENDMENT RECEIVED
03/22/2024
NWAP
NEW APPLICATION ENTERED
03/20/2024
Continuous trademark protection
Get notified about every new filing that threatens KEYSTONE or your mark.
Professional 24-month watch service: we monitor USPTO for you and alert you in time to oppose — before conflicts become losses.