Who owns the CALF trademark?

The CALF trademark is owned by Beijing Changba Technology Co., Ltd..

What is the serial number for CALF?

The USPTO serial number for CALF is 97331085.

What is the registration number for CALF?

CALF is registered under USPTO registration number 8023905.

CAL

USPTO Trademark Record

REGISTERED

CALF

Q: What class is the CALF trademark registered in?

The CALF trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 041 (Education & entertainment services).

SN 97331085·Reg 8023905·Filed Mar 25, 2022

Owner Beijing Changba Technology 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.; Education; providing of training; entertainment; sporting and cultural activities.

CALF (Serial No. 97331085), Registration No. 8023905, is a registered US trademark filed on Mar 25, 2022 by Beijing Changba Technology Co., Ltd.. This trademark covers Class 009 (Electronics, software & scientific instruments), Class 041 (Education & entertainment services).

early section 8: November 11, 2031

Mark Intelligence

CALF (Reg. #8023905) is a registered US trademark that has been protecting its owner, Beijing Changba Technology Co., Ltd., since 2022. The mark covers Class 009 (Electronics, software & scientific instruments) and Class 041 (Education & entertainment services) respectively. Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 25, 2022

SERIAL

97331085

REG#

8023905

REGISTERED

Nov 11, 2025

Owner

Applicant

Beijing Changba Technology Co., Ltd.

Entity

Not Provided

Address

Room 260, 3C, 5th floor, No.9, Wangjing Street, Chaoyang District,, Beijing, 100015

Country

Attorney

NameNazly Aileen Bayramoglu

Law firm

Nazly Aileen Bayramoglu BAYRAMOGLU LAW OFFICES LLC

Address

1540 WEST WARM SPRINGS ROAD SUITE 100, HENDERSON, NV 89014, United States

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Filing Information

StatusREGISTERED

Filing DateMar 25, 2022

Serial Number97331085

Registration No.8023905

Registration DateNov 11, 2025

Status DateNov 11, 2025

Published for OppositionSep 17, 2024

Mark TypeStylized characters

Status DescriptionLive and registered

Filing Signals

FILED

2022

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

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

First use anywhere: Jun 01, 2023

First use in commerce: Jun 01, 2023

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: May 01, 2023

First use in commerce: May 01, 2023

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

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

Status History

29 events

REGISTERED-PRINCIPAL REGISTER

Nov 11, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Nov 11, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Oct 19, 2025

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Oct 19, 2025

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Sep 20, 2025

CASE ASSIGNED TO INTENT TO USE PARALEGAL

STATEMENT OF USE PROCESSING COMPLETE

Sep 20, 2025

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

Apr 28, 2025

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Apr 28, 2025

USE AMENDMENT FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Nov 12, 2024

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Sep 17, 2024

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Sep 17, 2024

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 28, 2024

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Aug 10, 2024

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINERS AMENDMENT E-MAILED

Aug 10, 2024

EXAMINERS AMENDMENT E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Aug 10, 2024

EXAMINERS AMENDMENT -WRITTEN

EXAMINER'S AMENDMENT ENTERED

Aug 10, 2024

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 10, 2024

APPROVED FOR PUB - PRINCIPAL REGISTER

PRIORITY ACTION WRITTEN

Apr 22, 2024

PRIORITY ACTION WRITTEN

PRIORITY ACTION E-MAILED

Apr 22, 2024

PRIORITY ACTION E-MAILED

NOTIFICATION OF PRIORITY ACTION E-MAILED

Apr 22, 2024

NOTIFICATION OF PRIORITY ACTION E-MAILED

SUSPENSION CHECKED - TO ATTORNEY FOR ACTION

Feb 14, 2024

SUSPENSION CHECKED - TO ATTORNEY FOR ACTION

REPORT COMPLETED SUSPENSION CHECK CASE STILL SUSPENDED

Aug 11, 2023

REPORT COMPLETED SUSPENSION CHECK CASE STILL SUSPENDED

Jul 29, 2023

REPORT COMPLETED SUSPENSION CHECK CASE STILL SUSPENDED

SUSPENSION LETTER WRITTEN

Jan 13, 2023

SUSPENSION LETTER WRITTEN

LETTER OF SUSPENSION E-MAILED

Jan 13, 2023

LETTER OF SUSPENSION E-MAILED

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

Jan 13, 2023

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

ASSIGNED TO EXAMINER

Jan 09, 2023

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 30, 2022

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 29, 2022

NEW APPLICATION ENTERED

CALF

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