E815
TEAS SECTION 8 & 15 RECEIVED
05/21/2026
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Official data from USPTO
TDK-LAMBDA
Did you know this trademark is already registered in United States?
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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
17
Latest update
05/22/2026
Trademark type
Combined
Nice classes
9
Filing date
04/23/2020
Registration date
11/10/2020
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
11/10/2020
Last transaction
05/22/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
First use anywhere
10/01/2008
First use in commerce
10/01/2008
Drawing code
5
Owner type
03
Owner location
Tokyo, JP
Examiner
OLANDRIA, WARREN
Law office
M30
Current location
PUBLICATION AND ISSUE SECTION
Mark description
The mark consists of the wording "TDK-Lambda" in stylized type.
Holders and representatives
Holders
TDK KABUSHIKI KAISHA (TDK CORPORATION)
Representatives
John Mueller Baker & Hostetler LLP
Technical classification
Nice Classes
Class 9
Vienna Codes
No Vienna codes available.
Goods and services
Class 9
power suppliesswitching power supplies and parts and fittings thereforelectrical plugs; DC-DC converters and DC-AC inverters and parts and fittings thereforelectrical plugs; electrical noise filters and parts and fittings thereforadapter plugs; electrical power controllers; electrical power distribution blocks; rotary converters; phase modifiers; electric load modules; electronic load modules; electrical noise measuring apparatus; ripple voltage noise meter; electronic devices for measuring electrical current ; electronic devices for measuring voltage; electric meters; temperature measuring apparatusthermometer; downloadable computer software for controlling electric power supplies; downloadable computer software for controlling DC-DC converters; downloadable computer software for controlling DC-AC inverters
Publications
History of USPTO decisions and trademark events.
17 publications found
REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
11/10/2025
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
02/10/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/10/2025
ECDR
TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
02/10/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/10/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/10/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
02/10/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
02/10/2025
R.PR
REGISTERED-PRINCIPAL REGISTER
11/10/2020
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
08/25/2020
PUBO
PUBLISHED FOR OPPOSITION
08/25/2020
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
08/05/2020
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
07/18/2020
DOCK
ASSIGNED TO EXAMINER
07/16/2020
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
05/04/2020
NWAP
NEW APPLICATION ENTERED
04/27/2020
Continuous trademark protection
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