REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
12/22/2025
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Official data from USPTO
CCS CHAINSTAMP
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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
33
Latest update
12/23/2025
Trademark type
Combined
Nice classes
42
Filing date
02/16/2018
Registration date
12/22/2020
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
12/22/2020
Last transaction
12/23/2025
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
2018-00-00
First use in commerce
2018-00-00
Drawing code
3
Owner type
16
Owner location
West Hartford, CT
Examiner
JOHNSON II,COLLIER L
Law office
N50
Current location
PUBLICATION AND ISSUE SECTION
Mark description
The mark consists of the word "CHAINSTAMP" with two "C" letters connected to represent a chain and to form the letter "S".
Holders and representatives
Holders
Chainstamp LLC
Chainstamp LLC
Representatives
Alexandra Summers Sausser Summers, PC
Technical classification
Nice Classes
Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 42
Application service provider (ASP) featuring software for electronic messaging and electronic data storage for computerslaptopsmobile electronic devices for use with blockchain technology; Providing temporary use of an online non-downloadable web-based or peer-to-peer software application for data and digital file uploadsfor database managementfor recording and maintaining the securityintegritytimestamp of digital files and datafor capturing various types of digital files and datafor transferring data and digital filesall the foregoing for use with blockchain technology; Application service provider (ASP) featuring application programming interface (API) software for integration of contentdatainformation or records into websites and mobile applications for use with blockchain technology; Electronic document and e-mail time-stamping services for use with blockchain technology; Evidence storage serviceselectronic data storage for use with blockchain technology; Providing a website and or network featuring technology that provides users with cryptographic hash services and functions for use with blockchain technology; Providing a website or network featuring technology that enable users to maintain the security and integrity of digital files and data for use with blockchain technology
Publications
History of USPTO decisions and trademark events.
33 publications found
R.PR
REGISTERED-PRINCIPAL REGISTER
12/22/2020
SUNA
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
11/17/2020
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
11/16/2020
SUPC
STATEMENT OF USE PROCESSING COMPLETE
10/22/2020
AITU
CASE ASSIGNED TO INTENT TO USE PARALEGAL
10/22/2020
IUAF
USE AMENDMENT FILED
10/08/2020
EISU
TEAS STATEMENT OF USE RECEIVED
10/08/2020
NOAM
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
05/19/2020
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
03/24/2020
PUBO
PUBLISHED FOR OPPOSITION
03/24/2020
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
03/04/2020
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
02/18/2020
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
01/28/2020
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
01/28/2020
ERSI
TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED
01/23/2020
RCSC
REPORT COMPLETED SUSPENSION CHECK CASE STILL SUSPENDED
10/09/2019
RCSC
REPORT COMPLETED SUSPENSION CHECK CASE STILL SUSPENDED
03/28/2019
ALIE
ASSIGNED TO LIE
03/26/2019
GNS3
NOTIFICATION OF LETTER OF SUSPENSION E-MAILED
09/06/2018
GNSL
LETTER OF SUSPENSION E-MAILED
09/06/2018
CNSL
SUSPENSION LETTER WRITTEN
09/06/2018
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
08/15/2018
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
08/15/2018
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
08/15/2018
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
06/08/2018
GNRT
NON-FINAL ACTION E-MAILED
06/08/2018
CNRT
NON-FINAL ACTION WRITTEN
06/08/2018
DOCK
ASSIGNED TO EXAMINER
06/01/2018
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
04/03/2018
MDSM
NOTICE OF DESIGN SEARCH CODE E-MAILED
02/27/2018
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
02/24/2018
NWAP
NEW APPLICATION ENTERED
02/20/2018
Continuous trademark protection
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