Who owns the OBOOK trademark?

The OBOOK trademark is owned by Hangzhou Guowen Technology Co., Ltd..

What class is the OBOOK trademark registered in?

The OBOOK trademark is registered in Class 009 (Electronics, software & scientific instruments).

What is the serial number for OBOOK?

The USPTO serial number for OBOOK is 98650481.

What is the registration number for OBOOK?

OBOOK is registered under USPTO registration number 8265243.

OBOOK - Owned by Hangzhou Guowen Technology Co., Ltd. - (Class 009)

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: Apr 22, 2025

First use in commerce: Sep 25, 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.

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 19, 2026

Code R.PR

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 19, 2026

Code NRCC

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 19, 2026

Code NRCC

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Apr 27, 2026

Code CNPR

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Apr 27, 2026

Code SUNA

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Apr 07, 2026

Code AITU

STATEMENT OF USE PROCESSING COMPLETE

Apr 07, 2026

Code SUPC

TEAS STATEMENT OF USE RECEIVED

Oct 17, 2025

Code EISU

USE AMENDMENT FILED

Oct 17, 2025

Code IUAF

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

May 20, 2025

Code NOAM

PUBLISHED FOR OPPOSITION

Mar 25, 2025

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 25, 2025

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 19, 2025

Code NONP

EXAMINERS AMENDMENT -WRITTEN

Mar 03, 2025

Code CNEA

EXAMINERS AMENDMENT E-MAILED

Mar 03, 2025

Code GNEA

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Mar 03, 2025

Code GNEN

EXAMINER'S AMENDMENT ENTERED

Mar 03, 2025

Code XAEC

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 03, 2025

Code CNSA

ASSIGNED TO EXAMINER

Jan 28, 2025

Code DOCK

NON-FINAL ACTION WRITTEN

Jan 28, 2025

Code CNRT

NON-FINAL ACTION E-MAILED

Jan 28, 2025

Code GNRT

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jan 28, 2025

Code GNRN

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 15, 2025

Code NWOS

NEW APPLICATION ENTERED

Jul 16, 2024

Code NWAP

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What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks in Class 009 — Electronics, software & scientific instruments

Other Marks by Anna M. Quinn

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