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BLOCKCITIES - Owned by Brian Christensen - (Class 042) | Sealvo

Home Search: BLOCKCITIESBLOCKCITIES #99388105

Updated Oct 9, 2026·22 searches this week

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USPTO Trademark Record

REGISTERED

BLOCKCITIES

SN 99388105·Reg 8228928·Filed Sep 11, 2025

Owner Brian Christensen

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.

BLOCKCITIES (Serial No. 99388105), Registration No. 8228928, is a registered US trademark filed on Sep 11, 2025 by Brian Christensen. This trademark covers Class 042 (Scientific, technology & SaaS services).

early section 8: April 28, 2032

Mark Intelligence

BLOCKCITIES (Reg. #8228928) is a registered US trademark that has been protecting its owner, Brian Christensen, since 2025. The mark covers Class 042 (Scientific, technology & SaaS services). Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research.... The mark faced 1 opposition proceeding during prosecution.

FILED

Sep 11, 2025

SERIAL

99388105

REG#

8228928

REGISTERED

Apr 28, 2026

Filing Information

StatusREGISTERED

Filing DateSep 11, 2025

Serial Number99388105

Registration No.8228928

Registration DateApr 28, 2026

Status DateApr 28, 2026

Published for OppositionMar 10, 2026

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

1

OFFICE

USPTO

COUNTRY

US

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Apr 25, 2018

First use in commerce: Apr 25, 2018

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.

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Status History

10 events

REGISTERED-PRINCIPAL REGISTER

Apr 28, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Apr 28, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Mar 10, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 10, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 04, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 11, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Feb 05, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 04, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Sep 11, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Sep 11, 2025

APPLICATION FILING RECEIPT MAILED

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