Who owns the CLASSUM trademark?

The CLASSUM trademark is owned by CLASSUM Co., Ltd..

What is the serial number for CLASSUM?

The USPTO serial number for CLASSUM is 79366779.

What is the registration number for CLASSUM?

CLASSUM is registered under USPTO registration number 7862348.

CLA

USPTO Trademark Record

REGISTERED

CLASSUM

Q: What class is the CLASSUM trademark registered in?

The CLASSUM trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 038 (Telecommunications services), Class 042 (Scientific, technology & SaaS services).

SN 79366779·Reg 7862348·Filed Dec 26, 2022

Owner CLASSUM Co., Ltd.

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.; Telecommunications.; 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.

CLASSUM (Serial No. 79366779), Registration No. 7862348, is a registered US trademark filed on Dec 26, 2022 by CLASSUM Co., Ltd.. This trademark covers Class 009 (Electronics, software & scientific instruments), Class 038 (Telecommunications services), Class 042 (Scientific, technology & SaaS services).

early section 8: July 15, 2031

Mark Intelligence

CLASSUM (Reg. #7862348) is a registered US trademark that has been protecting its owner, CLASSUM Co., Ltd., since 2022. The mark covers Class 009 (Electronics, software & scientific instruments), Class 038 (Telecommunications services) 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 4 opposition proceedings during prosecution.

FILED

Dec 26, 2022

SERIAL

79366779

REG#

7862348

REGISTERED

Jul 15, 2025

Owner

Applicant

CLASSUM Co., Ltd.

Entity

Corporation

Address

14F, 1401, 27, Teheran-ro 2-gil,, Gangnam-gu Seoul

Country

Attorney

NameMax Vern

Law firm

Max Vern Amster, Rothstein & Ebenstein LLP

Docket

28193/94

Address

405 Lexington Avenue, New York, NY 10174, United States

Get pre-filing clearance

AI attorney analyzes your proposed mark against USPTO — Go/No-Go verdict, class-by-class risks, and strategy recommendations.

Run clearance

Filing Information

StatusREGISTERED

Filing DateDec 26, 2022

Serial Number79366779

Registration No.7862348

Registration DateJul 15, 2025

Status DateJul 15, 2025

Published for OppositionMay 27, 2025

Mark TypeStandard characters

Attorney Docket28193/94

Status DescriptionLive and registered

Filing Signals

FILED

2022

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 4× during prosecution

Search 15M+ trademarks

Free USPTO lookups by name, owner, or serial number. No account needed.

Search now

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

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

Class 038Telecommunications services

US codes: 100, 101, 104

Telecommunications.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

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

39 events

FINAL DECISION TRANSACTION PROCESSED BY IB

Feb 19, 2026

FINAL DECISION TRANSACTION PROCESSED BY IB

FINAL DISPOSITION PROCESSED

Feb 05, 2026

FINAL DISPOSITION PROCESSED

FINAL DISPOSITION NOTICE SENT TO IB

Feb 05, 2026

FINAL DISPOSITION NOTICE SENT TO IB

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Oct 15, 2025

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Jul 15, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jul 15, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

May 27, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

May 27, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 21, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Apr 23, 2025

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Apr 23, 2025

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Apr 23, 2025

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Apr 23, 2025

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 23, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

FINAL REFUSAL WRITTEN

Jan 06, 2025

FINAL REFUSAL WRITTEN

FINAL REFUSAL E-MAILED

Jan 06, 2025

FINAL REFUSAL E-MAILED

NOTIFICATION OF FINAL REFUSAL EMAILED

Jan 06, 2025

NOTIFICATION OF FINAL REFUSAL EMAILED

ASSIGNED TO LIE

Nov 25, 2024

ASSIGNED TO LIE

CORRESPONDENCE RECEIVED IN LAW OFFICE

Nov 25, 2024

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Nov 25, 2024

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED

Oct 01, 2024

TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

Sep 20, 2024

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

Sep 04, 2024

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Sep 04, 2024

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

SUSPENSION LETTER WRITTEN

May 12, 2024

SUSPENSION LETTER WRITTEN

LETTER OF SUSPENSION E-MAILED

May 12, 2024

LETTER OF SUSPENSION E-MAILED

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

May 12, 2024

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Apr 05, 2024

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Apr 05, 2024

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Apr 05, 2024

TEAS/EMAIL CORRESPONDENCE ENTERED

REFUSAL PROCESSED BY IB

Oct 25, 2023

REFUSAL PROCESSED BY IB

REFUSAL PROCESSED BY MPU

Oct 05, 2023

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Oct 05, 2023

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Sep 26, 2023

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

ASSIGNED TO EXAMINER

Sep 25, 2023

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Sep 25, 2023

NON-FINAL ACTION WRITTEN

APPLICATION FILING RECEIPT MAILED

Apr 11, 2023

APPLICATION FILING RECEIPT MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Apr 07, 2023

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Apr 06, 2023

SN ASSIGNED FOR SECT 66A APPL FROM IB

CLASSUM

Get pre-filing clearance

Search 15M+ trademarks

Run a conflict check

Other Marks by CLASSUM Co., Ltd.

Other Marks by Max Vern

Resources

Company