Who owns the BLOCKSTACK trademark?

The BLOCKSTACK trademark is owned by BLOCKSTACK PBC.

What is the serial number for BLOCKSTACK?

The USPTO serial number for BLOCKSTACK is 86712640.

What is the registration number for BLOCKSTACK?

BLOCKSTACK is registered under USPTO registration number 5052528.

BLO

USPTO Trademark Record

ABANDONED

BLOCKSTACK

Q: What class is the BLOCKSTACK trademark registered in?

The BLOCKSTACK trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 042 (Scientific, technology & SaaS services).

SN 86712640·Reg 5052528·Filed Aug 03, 2015

Owner BLOCKSTACK PBC

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.; Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

BLOCKSTACK (Serial No. 86712640), Registration No. 5052528, is a abandoned US trademark filed on Aug 03, 2015 by BLOCKSTACK PBC. This trademark covers Class 009 (Electronics, software & scientific instruments), Class 042 (Scientific, technology & SaaS services).

Mark Intelligence

BLOCKSTACK (Reg. #5052528) is an abandoned US trademark that was filed in 2015 but has since been abandoned. The mark covers Class 009 (Electronics, software & scientific instruments) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 03, 2015

SERIAL

86712640

REG#

5052528

REGISTERED

Oct 04, 2016

Owner

Applicant

BLOCKSTACK PBC

Entity

Religious Organization

State

Address

101 West 23rd Street, #224, NEW YORK, NY, 10011

Country

Attorney

NameCharlene A. Azema

Law firm

Charlene A. Azema Knobbe, Martens, Olson & Bear, LLP

Docket

BSTKT.051T

Address

2040 Main Street, 14th Floor, Irvine, CA 92614, UNITED STATES

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Filing Information

StatusABANDONED

Filing DateAug 03, 2015

Serial Number86712640

Registration No.5052528

Registration DateOct 04, 2016

Status DateApr 14, 2023

Published for OppositionFeb 16, 2016

Mark TypeStandard characters

Attorney DocketBSTKT.051T

Status DescriptionDead and cancelled, Section 8

Filing Signals

FILED

2015

YEARS AGO

11y

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

First use anywhere: Feb 18, 2015

First use in commerce: May 01, 2015

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Feb 18, 2015

First use in commerce: May 01, 2015

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

This description is as filed with the USPTO and defines the scope of trademark protection.

Status History

34 events

CANCELLED SEC. 8 (6-YR)

Apr 14, 2023

CANCELLED SEC. 8 (6-YR)

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Dec 08, 2022

TEAS CHANGE OF OWNER ADDRESS RECEIVED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Dec 08, 2022

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Dec 08, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Dec 08, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Dec 08, 2022

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Oct 04, 2021

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Apr 19, 2019

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Apr 19, 2019

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Mar 20, 2019

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Apr 18, 2018

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

REGISTERED-PRINCIPAL REGISTER

Oct 04, 2016

REGISTERED-PRINCIPAL REGISTER

ASSIGNMENT OF OWNERSHIP UPDATED MANUALLY

Sep 06, 2016

ASSIGNMENT OF OWNERSHIP UPDATED MANUALLY

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

Aug 30, 2016

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Aug 10, 2016

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Aug 08, 2016

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 08, 2016

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Aug 08, 2016

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Aug 08, 2016

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

EXTENSION OF TIME TO OPPOSE RECEIVED

Mar 14, 2016

EXTENSION OF TIME TO OPPOSE RECEIVED

PUBLISHED FOR OPPOSITION

Feb 16, 2016

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Feb 16, 2016

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 27, 2016

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 07, 2015

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Nov 23, 2015

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Nov 23, 2015

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Nov 23, 2015

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Nov 20, 2015

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Nov 20, 2015

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Nov 20, 2015

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Nov 14, 2015

ASSIGNED TO EXAMINER

NOTICE OF PSEUDO MARK E-MAILED

Aug 08, 2015

NOTICE OF PSEUDO MARK E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 07, 2015

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Aug 06, 2015

NEW APPLICATION ENTERED

BLOCKSTACK

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