Who owns the CIRCLEBACK trademark?

The CIRCLEBACK trademark is owned by Circleback AI, Inc..

What is the serial number for CIRCLEBACK?

The USPTO serial number for CIRCLEBACK is 98761761.

What is the registration number for CIRCLEBACK?

CIRCLEBACK is registered under USPTO registration number 8503979.

CIR

USPTO Trademark Record

REGISTERED

CIRCLEBACK

Q: What class is the CIRCLEBACK trademark registered in?

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

SN 98761761·Reg 8503979·Filed Sep 20, 2024

Owner Circleback AI, Inc.

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.; 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.

CIRCLEBACK (Serial No. 98761761), Registration No. 8503979, is a registered US trademark filed on Sep 20, 2024 by Circleback AI, Inc.. This trademark covers Class 009 (Electronics, software & scientific instruments), Class 042 (Scientific, technology & SaaS services).

early section 8: October 13, 2032

Mark Intelligence

CIRCLEBACK (Reg. #8503979) is a registered US trademark that has been protecting its owner, Circleback AI, Inc., since 2024. The mark covers Class 009 (Electronics, software & scientific instruments) 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 1 opposition proceeding during prosecution.

FILED

Sep 20, 2024

SERIAL

98761761

REG#

8503979

REGISTERED

Oct 13, 2026

Owner

Applicant

Circleback AI, Inc.

Entity

Corporation

State

Address

3445 Geary Blvd, #406, San Francisco, CA, 94118

Country

Attorney

NameJin J. Kim

Law firm

Jin J. Kim ACI Law Group, PC

Address

6 Centerpointe Dr, Ste 630, La Palma, CA 90623, United States

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Filing Information

StatusREGISTERED

Filing DateSep 20, 2024

Serial Number98761761

Registration No.8503979

Registration DateOct 13, 2026

Status DateOct 13, 2026

Published for OppositionDec 02, 2025

Mark TypeStandard characters

Status DescriptionLive and registered

Filing Signals

FILED

2024

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: Jan 22, 2023

First use in commerce: Jan 22, 2023

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Jan 22, 2023

First use in commerce: Jan 22, 2023

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

23 events

REGISTERED-PRINCIPAL REGISTER

Oct 13, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Oct 13, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Sep 21, 2026

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Sep 21, 2026

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

STATEMENT OF USE PROCESSING COMPLETE

Aug 25, 2026

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

Jul 15, 2026

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Jul 15, 2026

USE AMENDMENT FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Jan 27, 2026

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Dec 02, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Dec 02, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Nov 26, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 31, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Sep 26, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Sep 26, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Sep 26, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

Jun 25, 2025

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

Jun 25, 2025

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

NON-FINAL ACTION WRITTEN

Apr 01, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Apr 01, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Apr 01, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Mar 28, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 27, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Sep 20, 2024

NEW APPLICATION ENTERED

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