Who owns the BOOKSQUARE trademark?

The BOOKSQUARE trademark is owned by Booksquare GmbH.

What is the serial number for BOOKSQUARE?

The USPTO serial number for BOOKSQUARE is 98451262.

What is the registration number for BOOKSQUARE?

BOOKSQUARE is registered under USPTO registration number 8275181.

BOOKSQUARE - Owned by Booksquare GmbH - (Class 009, Class 042)

Q: What class is the BOOKSQUARE trademark registered in?

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

What to file next

Section 8 declaration of continued use

When: Due between the fifth and sixth anniversary of registration.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed Section 8 cancels the registration, and there is no revival route for it.

How the Section 8 deadline works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 009Electronics, software & scientific instruments

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

First use anywhere: Nov 12, 2025

First use in commerce: Nov 12, 2025

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.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Apr 12, 2024

First use in commerce: Nov 12, 2025

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.

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlyTrademark

Status History

24 events

REGISTERED-PRINCIPAL REGISTER

May 26, 2026

Code R.PR

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 26, 2026

Code NRCC

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 26, 2026

Code NRCC

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 26, 2026

Code NRCC

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

May 07, 2026

Code CNPR

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

May 07, 2026

Code SUNA

STATEMENT OF USE PROCESSING COMPLETE

May 05, 2026

Code SUPC

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

Mar 12, 2026

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 12, 2026

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 12, 2026

Code TCCA

TEAS STATEMENT OF USE RECEIVED

Dec 16, 2025

Code EISU

USE AMENDMENT FILED

Dec 16, 2025

Code IUAF

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jun 14, 2025

Code EXRA

SOU TEAS EXTENSION RECEIVED

Jun 13, 2025

Code EEXT

SOU EXTENSION 1 FILED

Jun 13, 2025

Code EXT1

SOU EXTENSION 1 GRANTED

Jun 13, 2025

Code EX1G

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Dec 17, 2024

Code NOAM

PUBLISHED FOR OPPOSITION

Nov 05, 2024

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Nov 05, 2024

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 16, 2024

Code NONP

ASSIGNED TO EXAMINER

Sep 25, 2024

Code DOCK

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 25, 2024

Code CNSA

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 08, 2024

Code NWOS

NEW APPLICATION ENTERED

Mar 17, 2024

Code NWAP

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BOOKSQUARE

What to file next

Full Goods & Services

Filing Basis & Declarations

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