BLOCKSTACK
DEAD

Serial Number

86712640

Owner

HALFMOON LABS INC.

Attorney

Charlene A. Azema

First Use Date

Feb 18, 2015

Filing Date

Aug 3, 2015

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BLOCKSTACK Trademark

Serial Number: 86712640 • Registration: 5052528

BLOCKSTACK is a trademark filed by HALFMOON LABS INC. on August 3, 2015. The trademark is classified under Class 9 (Computers & Electronics), Class 42 (Computer & Scientific). The application is currently no longer active.

Owner Contact Info

HALFMOON LABS INC. (2 trademarks)

#6N-15
NEW YORK, NY 10013

Entity Type: 03

BLOCKSTACK PBC (13 trademarks)

101 West 23rd Street, #224
New York, NY 10011

Entity Type: 99

BLOCKSTACK INC. (2 trademarks)

37 GREAT JONES STREET, 2ND FLOOR
NEW YORK, NY 10012

Entity Type: 03

Trademark Details

Filing Date

August 3, 2015

Registration Date

October 4, 2016

First Use Anywhere

February 18, 2015

First Use in Commerce

May 1, 2015

Published for Opposition

February 16, 2016

Cancellation Date

April 14, 2023

Goods & Services

Computer software for encryption; Software for enterprise blockchain development and implementation, execution and management of secure data transactions, management of data escrow, and provisioning of shared and/or distributed ledgers; Software for representation of data involved in and/or described in data transactions; Computer software platforms for enterprise blockchains; Application programming interface (API) software for development, testing, and integration of blockchain software applications to shared and/or distributed ledgers

Application service provider featuring application programming interface (API) software for providing a platform for the development, testing, and integration of blockchain software applications; Computer services, namely, acting as an application service provider in the field of information management to host computer application software for the purpose of developing, testing, and integrating blockchain applications and software

Filing History

CANCELLED SEC. 8 (6-YR)
Apr 14, 2023 C8..
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Dec 8, 2022 CHAN
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Dec 8, 2022 TCCA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Dec 8, 2022 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Dec 8, 2022 REAP
TEAS CHANGE OF OWNER ADDRESS RECEIVED
Dec 8, 2022 COAR
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
Oct 4, 2021 REM1
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Apr 19, 2019 CHAN
TEAS CHANGE OF OWNER ADDRESS RECEIVED
Apr 19, 2019 COAR
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Mar 20, 2019 ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Apr 18, 2018 ASGN
REGISTERED-PRINCIPAL REGISTER
Oct 4, 2016 R.PR
ASSIGNMENT OF OWNERSHIP UPDATED MANUALLY
Sep 6, 2016 AOUM
EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED
Aug 30, 2016 ETOP
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
Aug 10, 2016 ASCK
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Aug 8, 2016 CHAN
TEAS CHANGE OF OWNER ADDRESS RECEIVED
Aug 8, 2016 COAR
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Aug 8, 2016 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Aug 8, 2016 REAP
EXTENSION OF TIME TO OPPOSE RECEIVED
Mar 14, 2016 ETOF
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Feb 16, 2016 NPUB
PUBLISHED FOR OPPOSITION
Feb 16, 2016 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Jan 27, 2016 NONP
APPROVED FOR PUB - PRINCIPAL REGISTER
Dec 7, 2015 CNSA
TEAS/EMAIL CORRESPONDENCE ENTERED
Nov 23, 2015 TEME
CORRESPONDENCE RECEIVED IN LAW OFFICE
Nov 23, 2015 CRFA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
Nov 23, 2015 TROA
NOTIFICATION OF NON-FINAL ACTION E-MAILED
Nov 20, 2015 GNRN
NON-FINAL ACTION E-MAILED
Nov 20, 2015 GNRT
NON-FINAL ACTION WRITTEN
Nov 20, 2015 CNRT
ASSIGNED TO EXAMINER
Nov 14, 2015 DOCK
NOTICE OF PSEUDO MARK E-MAILED
Aug 8, 2015 MPMK
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Aug 7, 2015 NWOS
NEW APPLICATION ENTERED
Aug 6, 2015 NWAP