Who owns the BLOCKCHAIN WEEK NYC trademark?

The BLOCKCHAIN WEEK NYC trademark is owned by Coindesk, Inc..

What is the serial number for BLOCKCHAIN WEEK NYC?

The USPTO serial number for BLOCKCHAIN WEEK NYC is 87920534.

What is the registration number for BLOCKCHAIN WEEK NYC?

BLOCKCHAIN WEEK NYC is registered under USPTO registration number 5678377.

Sealvo

Home Search: BLOCKCHAIN WEEK NYCBLOCKCHAIN WEEK NYC #87920534

Back

Updated Sep 20, 2026·17 searches this week

View on USPTO TSDR Find similar marks

BLO

USPTO Trademark Record

ABANDONED

BLOCKCHAIN WEEK NYC

Q: What class is the BLOCKCHAIN WEEK NYC trademark registered in?

The BLOCKCHAIN WEEK NYC trademark is registered in Class 035 (Advertising, business management & retail services), Class 041 (Education & entertainment services).

SN 87920534·Reg 5678377·Filed May 14, 2018

Owner Coindesk, Inc.

Advertising; business management, organization and administration; office functions.; Education; providing of training; entertainment; sporting and cultural activities.

BLOCKCHAIN WEEK NYC (Serial No. 87920534), Registration No. 5678377, is a abandoned US trademark filed on May 14, 2018 by Coindesk, Inc.. This trademark covers Class 035 (Advertising, business management & retail services), Class 041 (Education & entertainment services).

Conflict Analysis

Full conflict analysis for BLOCKCHAIN WEEK NYC (SN 87920534) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

BLOCKCHAIN WEEK NYC (Reg. #5678377) is an abandoned US trademark that was filed in 2018 but has since been abandoned. The mark covers Class 035 (Advertising, business management & retail services) and Class 041 (Education & entertainment services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Education; providing of training; .... The mark faced 1 opposition proceeding during prosecution.

FILED

May 14, 2018

SERIAL

87920534

REG#

5678377

REGISTERED

Feb 19, 2019

Filing Information

StatusABANDONED

Filing DateMay 14, 2018

Serial Number87920534

Registration No.5678377

Registration DateFeb 19, 2019

Status DateAug 29, 2025

Published for OppositionDec 04, 2018

Filing Basis & Declarations

Filed as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: May 11, 2018

First use in commerce: May 11, 2018

Advertising; business management, organization and administration; office functions.

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: May 11, 2018

First use in commerce: May 11, 2018

Education; providing of training; entertainment; sporting and cultural activities.

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

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

24 events

CANCELLED SEC. 8 (6-YR)

Aug 29, 2025

CANCELLED SEC. 8 (6-YR)

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

Feb 19, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 10, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

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

May 10, 2022

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

May 10, 2022

TEAS CHANGE OF OWNER ADDRESS RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

May 10, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

May 10, 2022

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

REGISTERED-PRINCIPAL REGISTER

Feb 19, 2019

REGISTERED-PRINCIPAL REGISTER

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Dec 04, 2018

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

PUBLISHED FOR OPPOSITION

Dec 04, 2018

PUBLISHED FOR OPPOSITION

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Nov 14, 2018

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO LIE

Oct 27, 2018

ASSIGNED TO LIE

LAW OFFICE PUBLICATION REVIEW COMPLETED

Oct 27, 2018

LAW OFFICE PUBLICATION REVIEW COMPLETED

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 16, 2018

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 11, 2018

TEAS/EMAIL CORRESPONDENCE ENTERED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 10, 2018

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Oct 10, 2018

TEAS RESPONSE TO OFFICE ACTION RECEIVED

NON-FINAL ACTION WRITTEN

Sep 05, 2018

NON-FINAL ACTION WRITTEN

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Sep 05, 2018

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NON-FINAL ACTION E-MAILED

Sep 05, 2018

NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Sep 05, 2018

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

May 22, 2018

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 21, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

May 17, 2018

NEW APPLICATION ENTERED

Other Marks by Coindesk, Inc.

Additional USPTO filings from the same owner.

COI

COINDESK

86252585

COINDESK, INC.

REGISTERED

LOG

LogoMark

87559718

Coindesk, Inc.

REGISTERED

CON

CONSENSUS BY COINDESK

97406500

Coindesk, Inc.

REGISTERED

97406555

Coindesk, Inc.

REGISTERED

Other Marks in Class 035 — Advertising, business management & retail services

Recently filed and registered marks in the same international class.

SPA

SPA WEEK NYC

76612026

INTERACTIVE WELLNESS GROUP, LLC

REGISTERED

NYC

NYC RESTAURANT WEEK

85922651

NEW YORK CITY TOURISM + CONVENTIONS, INC.

REGISTERED

BIG

BIG WEEK NYC

86809731

EPDJR NYC, LLC

REGISTERED

CLI

CLIMATE WEEK NYC

77860765

The Climate Group

REGISTERED

Other Marks by William C. Wright

Additional USPTO filings handled by the same attorney of record.

SYN

SYNETRA

99075697

REGISTERED

SOL

SOLUPRINT

79420835

REGISTERED

ELO

ELOWEN

79441410

REGISTERED

MAN

MANUKA DNA 3000

79429594

REGISTERED

BLOCKCHAIN WEEK NYC

Run a conflict check

Other Marks by Coindesk, Inc.

Other Marks in Class 035 — Advertising, business management & retail services

Other Marks by William C. Wright

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company