Who owns the GUARDIAN trademark?

The GUARDIAN trademark is owned by China Guardian Auctions Co., Ltd..

What class is the GUARDIAN trademark registered in?

The GUARDIAN trademark is registered in Class 035 (Advertising, business management & retail services).

What is the serial number for GUARDIAN?

The USPTO serial number for GUARDIAN is 79231686.

What is the registration number for GUARDIAN?

GUARDIAN is registered under USPTO registration number 5635241.

Sealvo

Home Search: GUARDIANGUARDIAN #79231686

Back

Updated Sep 17, 2026·31 searches this week

View on USPTO TSDR Find similar marks

GUA

USPTO Trademark Record

REGISTERED

GUARDIAN

SN 79231686·Reg 5635241·Filed Nov 20, 2017

Owner China Guardian Auctions Co., Ltd.

Advertising; business management, organization and administration; office functions.

GUARDIAN (Serial No. 79231686), Registration No. 5635241, is a registered US trademark filed on Nov 20, 2017 by China Guardian Auctions Co., Ltd.. This trademark covers Class 035 (Advertising, business management & retail services).

Section 8/9 declaration window: December 25, 2028

Conflict Analysis

Full conflict analysis for GUARDIAN (SN 79231686) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

GUARDIAN (Reg. #5635241) is a registered US trademark that has been protecting its owner, China Guardian Auctions Co., Ltd., since 2017. The mark covers Class 035 (Advertising, business management & retail services). Goods and services include Advertising; business management, organization and administration; office functions.. The mark faced 3 opposition proceedings during prosecution.

FILED

Nov 20, 2017

SERIAL

79231686

REG#

5635241

REGISTERED

Dec 25, 2018

Filing Information

StatusREGISTERED

Filing DateNov 20, 2017

Serial Number79231686

Registration No.5635241

Registration DateDec 25, 2018

Status DateJul 18, 2025

Published for OppositionOct 09, 2018

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

Advertising; business management, organization and administration; office functions.

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

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

59 events

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

Jul 21, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 21, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 21, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

PARTIAL INVALIDATION PROCESSED BY THE IB

Apr 30, 2026

PARTIAL INVALIDATION PROCESSED BY THE IB

PARTIAL INVALIDATION OF REG EXT PROTECTION CREATED

Mar 18, 2026

PARTIAL INVALIDATION OF REG EXT PROTECTION CREATED

INVALIDATION PROCESSED

Mar 07, 2026

INVALIDATION PROCESSED

PARTIAL INVALIDATION OF REG EXT PROTECTION SENT TO IB

Mar 07, 2026

PARTIAL INVALIDATION OF REG EXT PROTECTION SENT TO IB

PARTIAL INVALIDATION OF REG EXT PROTECTION CREATED

Sep 21, 2025

PARTIAL INVALIDATION OF REG EXT PROTECTION CREATED

NEW REPRESENTATIVE AT IB RECEIVED

Aug 14, 2025

NEW REPRESENTATIVE AT IB RECEIVED

REGISTERED-SEC.71 ACCEPTED

Jul 18, 2025

REGISTERED-SEC.71 ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 71 - E-MAILED

Jul 18, 2025

NOTICE OF ACCEPTANCE OF SEC. 71 - E-MAILED

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

Jul 17, 2025

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

OFFICE ACTION ISSUED POU1

Jan 17, 2025

OFFICE ACTION ISSUED POU1

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 16, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 71 RECEIVED

Dec 26, 2024

TEAS SECTION 71 RECEIVED

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

Nov 13, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 13, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 13, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Nov 13, 2024

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

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

Oct 14, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 14, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Oct 14, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

COURTESY REMINDER - SEC. 71 (6-YR) E-MAILED

Dec 25, 2023

COURTESY REMINDER - SEC. 71 (6-YR) E-MAILED

CHANGE OF NAME/ADDRESS REC'D FROM IB

Jun 11, 2020

CHANGE OF NAME/ADDRESS REC'D FROM IB

REVIEW OF CORRESPONDENCE COMPLETE - ADDRESS UPDATED

May 18, 2020

REVIEW OF CORRESPONDENCE COMPLETE - ADDRESS UPDATED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Mar 19, 2020

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Mar 19, 2020

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 19, 2020

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Mar 19, 2020

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 19, 2020

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Mar 19, 2020

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

FINAL DECISION TRANSACTION PROCESSED BY IB

Apr 26, 2019

FINAL DECISION TRANSACTION PROCESSED BY IB

FINAL DISPOSITION PROCESSED

Apr 05, 2019

FINAL DISPOSITION PROCESSED

FINAL DISPOSITION NOTICE SENT TO IB

Apr 05, 2019

FINAL DISPOSITION NOTICE SENT TO IB

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Mar 25, 2019

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

NEW REPRESENTATIVE AT IB RECEIVED

Mar 15, 2019

NEW REPRESENTATIVE AT IB RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 10, 2019

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

Dec 25, 2018

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Oct 09, 2018

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 09, 2018

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION PROCESSED BY IB

Oct 06, 2018

NOTIFICATION PROCESSED BY IB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 19, 2018

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

Sep 19, 2018

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Sep 19, 2018

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 27, 2018

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 22, 2018

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Aug 21, 2018

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Aug 21, 2018

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Aug 21, 2018

TEAS/EMAIL CORRESPONDENCE ENTERED

REFUSAL PROCESSED BY IB

Jun 09, 2018

REFUSAL PROCESSED BY IB

APPLICATION FILING RECEIPT MAILED

May 22, 2018

APPLICATION FILING RECEIPT MAILED

REFUSAL PROCESSED BY MPU

May 21, 2018

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

May 21, 2018

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

APPLICATION FILING RECEIPT MAILED

May 19, 2018

APPLICATION FILING RECEIPT MAILED

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

May 18, 2018

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

May 17, 2018

NON-FINAL ACTION WRITTEN

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 15, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

ASSIGNED TO EXAMINER

May 15, 2018

ASSIGNED TO EXAMINER

SN ASSIGNED FOR SECT 66A APPL FROM IB

May 10, 2018

SN ASSIGNED FOR SECT 66A APPL FROM IB

Other Marks by China Guardian Auctions Co., Ltd.

Additional USPTO filings from the same owner.

CHI

CHINA GUARDIAN AUCTIONS

87765618

China Guardian Auctions Co., Ltd.

REGISTERED

Other Marks in Class 035 — Advertising, business management & retail services

Recently filed and registered marks in the same international class.

GUA

GUARDIAN

98925411

Guardian Health Service, LLC

REGISTERED

GUA

GUARDIAN

98615281

Syscend, Inc.

REGISTERED

GUA

GUARDIAN

85450916

F5, INC.

REGISTERED

GUA

GUARDIAN

86900870

Guangzhou Yingbang Trade Development Co., Ltd.

REGISTERED

Other Marks by Mike Rodenbaugh

Additional USPTO filings handled by the same attorney of record.

PHU

PHU NHI

98805496

REGISTERED

BRU

BRUNNE

99217154

REGISTERED

ELM

EL MANDATARIO

88210247

REGISTERED

RTE

RTE CUISINE READY-TO-EAT ANCIENT GRAINS& SEEDS

88394311

REGISTERED

GUARDIAN

Run a conflict check

Other Marks by China Guardian Auctions Co., Ltd.

Other Marks in Class 035 — Advertising, business management & retail services

Other Marks by Mike Rodenbaugh

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company