EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
08/19/2026
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Official data from USPTO
BLOCKCHAIN OF CUSTODY
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Active USPTO registrationType: WordOffice: United States
Quick snapshot
BLOCKCHAIN OF CUSTODY
ST13
US500000086577170Class
35, 42
Filing
86577170
Registration
5950375
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
88
Latest update
08/20/2026
Trademark type
Word
Nice classes
35, 42
Filing date
03/26/2015
Registration date
12/31/2019
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
12/31/2019
Last transaction
08/20/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
First use anywhere
05/15/2015
First use in commerce
12/16/2016
Drawing code
4
Owner type
01
Owner location
Queensway, US
Examiner
BURNS, ELLEN
Law office
M70
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
J. F. (pessoa física)
J. F. (pessoa física)
Representatives
Marc Kaufman Potomac Law Group, PLLC
Technical classification
Nice Classes
Class 35Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 35
Records management servicesmaintaining and recording the ownership of digital files and datamaintaining the integrity of digital files and datatime-stamping of physical documentsproviding proof of ownership of digital files and data; Evidence records management servicesmaintaining and recording the ownership of digital files and datamaintaining the integrity of digital files and datatime-stamping of physical documentsproviding proof of ownership of digital files and data; Providing a secured access database via the Internet through which digital files and data transactions can be viewedcopiedprinted for purposes of verifying a chain of custody
Class 42
Electronic storage of files and documents; Evidence storage serviceselectronic storage of files and documents; Evidence serviceselectronic document and e-mail authentication services; Electronic document and e-mail authentication and time-stamping services using the time stamp of a national post office; Providing temporary use of onlinenon-downloadable software for interfacing with peer-to-peer networksfor data and digital file uploadsfor maintaining the security and integrity of digital files and data and for capturing various types of digital files and datafor transferring data and digital filesfor use in verifying a chain of custody; Software as a service (SAAS) services featuring software for interfacing with peer-to-peer networksfor data and digital file uploadsfor maintaining the security and integrity of digital files and data and for capturing various types of digital files and datafor transferring data and digital filesfor use in verifying a chain of custody
Publications
History of USPTO decisions and trademark events.
88 publications found
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
08/19/2026
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
08/19/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
08/19/2026
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
08/19/2026
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
08/19/2026
ES8R
TEAS SECTION 8 RECEIVED
06/30/2026
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/09/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/09/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/09/2025
REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
12/31/2024
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
04/15/2021
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
04/15/2021
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
04/15/2021
R.PR
REGISTERED-PRINCIPAL REGISTER
12/31/2019
SUNA
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
11/23/2019
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
11/22/2019
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
11/20/2019
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
11/20/2019
ERFR
TEAS REQUEST FOR RECONSIDERATION RECEIVED
11/20/2019
GNFN
NOTIFICATION OF FINAL REFUSAL EMAILED
10/31/2019
GNFR
FINAL REFUSAL E-MAILED
10/31/2019
CNFR
SU - FINAL REFUSAL - WRITTEN
10/31/2019
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
10/15/2019
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
10/14/2019
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
10/14/2019
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
05/27/2019
GNRT
NON-FINAL ACTION E-MAILED
05/27/2019
CNRT
SU - NON-FINAL ACTION - WRITTEN
05/27/2019
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
05/07/2019
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
05/07/2019
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
05/07/2019
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
11/07/2018
GNRT
NON-FINAL ACTION E-MAILED
11/07/2018
CNRT
SU - NON-FINAL ACTION - WRITTEN
11/07/2018
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
10/17/2018
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
10/17/2018
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
10/15/2018
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
10/15/2018
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
10/15/2018
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
10/14/2018
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
04/22/2018
GNRT
NON-FINAL ACTION E-MAILED
04/22/2018
CNRT
SU - NON-FINAL ACTION - WRITTEN
04/22/2018
SUPC
STATEMENT OF USE PROCESSING COMPLETE
03/16/2018
IUAF
USE AMENDMENT FILED
02/22/2018
EISU
TEAS STATEMENT OF USE RECEIVED
02/22/2018
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/22/2018
WOAG
WITHDRAWAL OF ATTORNEY GRANTED
12/07/2017
WOAR
TEAS WITHDRAWAL OF ATTORNEY RECEIVED
12/07/2017
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
11/02/2017
EX3G
SOU EXTENSION 3 GRANTED
10/31/2017
EXT3
SOU EXTENSION 3 FILED
10/31/2017
EEXT
SOU TEAS EXTENSION RECEIVED
10/31/2017
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
06/30/2017
EX2G
SOU EXTENSION 2 GRANTED
06/29/2017
NREV
NOTICE OF REVIVAL - E-MAILED
06/20/2017
TPEX
SOU EXTENSION RECEIVED WITH TEAS PETITION
06/19/2017
PETG
PETITION TO REVIVE-GRANTED
06/19/2017
PROA
TEAS PETITION TO REVIVE RECEIVED
06/19/2017
MAB6
ABANDONMENT NOTICE MAILED - NO USE STATEMENT FILED
06/19/2017
ABN6
ABANDONMENT - NO USE STATEMENT FILED
06/19/2017
EXT2
SOU EXTENSION 2 FILED
05/17/2017
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
01/18/2017
EX1G
SOU EXTENSION 1 GRANTED
01/17/2017
AITU
CASE ASSIGNED TO INTENT TO USE PARALEGAL
01/13/2017
NREV
NOTICE OF REVIVAL - E-MAILED
11/28/2016
TPEX
SOU EXTENSION RECEIVED WITH TEAS PETITION
11/27/2016
PETG
PETITION TO REVIVE-GRANTED
11/27/2016
PROA
TEAS PETITION TO REVIVE RECEIVED
11/27/2016
EXT1
SOU EXTENSION 1 FILED
11/17/2016
NOAM
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
05/17/2016
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
03/22/2016
PUBO
PUBLISHED FOR OPPOSITION
03/22/2016
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
03/02/2016
PREV
LAW OFFICE PUBLICATION REVIEW COMPLETED
02/16/2016
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
02/06/2016
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
02/03/2016
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
02/03/2016
ALIE
ASSIGNED TO LIE
01/28/2016
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
01/15/2016
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
07/15/2015
GNRT
NON-FINAL ACTION E-MAILED
07/15/2015
CNRT
NON-FINAL ACTION WRITTEN
07/15/2015
DOCK
ASSIGNED TO EXAMINER
06/29/2015
MPMK
NOTICE OF PSEUDO MARK E-MAILED
04/04/2015
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
04/03/2015
NWAP
NEW APPLICATION ENTERED
03/30/2015
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