C8..
CANCELLED SEC. 8 (6-YR)
08/14/2026
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Official data from USPTO
BLOCKCHAIN CORE
This trademark appears in the official USPTO history.
Even when the status is closed, the history helps calibrate risk, avoid repeating mistakes, and define a safe naming strategy.
CANCELLED SEC. 8 (6-YR)Type: WordOffice: United States
Quick snapshot
BLOCKCHAIN CORE
ST13
US500000088226784Class
9
Filing
88226784
Registration
5975025
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
CANCELLED SEC. 8 (6-YR)
Case type
Application and registration
Recorded events
25
Latest update
08/14/2026
Trademark type
Word
Nice classes
9
Filing date
12/12/2018
Registration date
02/04/2020
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
08/14/2026
Last transaction
08/14/2026
Responsible office
United States Patent and Trademark Office
Status code
710
Official register
Principal Register
Filing basis
Foreign priority
Drawing code
4
Owner type
03
Owner location
Suwon-si, Gyeonggi-do, KR
Examiner
BELL, MARLENE D
Law office
M90
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
Samsung Electronics Co., Ltd.
Representatives
Diane J. Mason Faegre Drinker Biddle & Reath LLP
Technical classification
Nice Classes
Class 9
Vienna Codes
No Vienna codes available.
Goods and services
Class 9
Smartphones; Downloadable computer software for use with mobile devices and smartphonessoftware for the storage and management of private keys to authenticate blockchain transactions; Recorded computer software for use with mobile devices and smartphonessoftware for the storage and management of private keys to authenticate blockchain transactions; Downloadable computer software platforms for blockchainspublic blockchain platforms for managing cryptocurrency transactions using blockchain technologyto record transactions and execute smart contracts; Recorded computer software platforms for blockchainspublic blockchain platforms for managing cryptocurrency transactions using blockchain technologyto record transactions and execute smart contracts; Downloadable software or software application in the field of blockchain technologyfor verifying and managing cryptocurrency transactions using blockchain technologyfor managing electronic asset exchange transactions; Recorded software or software application in the field of blockchain technologyfor verifying and managing cryptocurrency transactions using blockchain technologyfor managing electronic asset exchange transactions
Publications
History of USPTO decisions and trademark events.
25 publications found
REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
02/04/2025
CORV
REVIEW OF CORRESPONDENCE COMPLETE - ADDRESS UPDATED
06/23/2020
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
06/02/2020
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
06/02/2020
ECDR
TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
06/02/2020
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
06/02/2020
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
06/02/2020
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
06/02/2020
R.PR
REGISTERED-PRINCIPAL REGISTER
02/04/2020
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
11/19/2019
PUBO
PUBLISHED FOR OPPOSITION
11/19/2019
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
10/30/2019
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
10/10/2019
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
09/18/2019
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
09/18/2019
ALIE
ASSIGNED TO LIE
09/18/2019
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
09/12/2019
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
05/10/2019
GPRN
NOTIFICATION OF PRIORITY ACTION E-MAILED
03/13/2019
GPRA
PRIORITY ACTION E-MAILED
03/13/2019
CPRA
PRIORITY ACTION WRITTEN
03/13/2019
DOCK
ASSIGNED TO EXAMINER
03/06/2019
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
01/04/2019
NWAP
NEW APPLICATION ENTERED
12/15/2018
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