Who owns the HFX trademark?

The HFX trademark is owned by Halifax International Security Forum.

What is the serial number for HFX?

The USPTO serial number for HFX is 97293626.

What is the registration number for HFX?

HFX is registered under USPTO registration number 7940502.

Sealvo

Home Search: HFXHFX #97293626

Back

Updated Sep 29, 2026·28 searches this week

View on USPTO TSDR Find similar marks

HFX

USPTO Trademark Record

REGISTERED

HFX

Q: What class is the HFX trademark registered in?

The HFX trademark is registered in Class 035 (Advertising, business management & retail services), Class 041 (Education & entertainment services), Class 045 (Legal, security & personal social services).

SN 97293626·Reg 7940502·Filed Mar 03, 2022

Owner Halifax International Security Forum

Advertising; business management, organization and administration; office functions.; Education; providing of training; entertainment; sporting and cultural activities.; Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

HFX (Serial No. 97293626), Registration No. 7940502, is a registered US trademark filed on Mar 03, 2022 by Halifax International Security Forum. This trademark covers Class 035 (Advertising, business management & retail services), Class 041 (Education & entertainment services), Class 045 (Legal, security & personal social services).

early section 8: September 09, 2031

Conflict Analysis

Full conflict analysis for HFX (SN 97293626) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

HFX (Reg. #7940502) is a registered US trademark that has been protecting its owner, Halifax International Security Forum, since 2022. The mark covers Class 035 (Advertising, business management & retail services), Class 041 (Education & entertainment services) and Class 045 (Legal, security & personal social services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Education; providing of training; .... The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 03, 2022

SERIAL

97293626

REG#

7940502

REGISTERED

Sep 09, 2025

Filing Information

StatusREGISTERED

Filing DateMar 03, 2022

Serial Number97293626

Registration No.7940502

Registration DateSep 09, 2025

Status DateSep 09, 2025

Published for OppositionOct 03, 2023

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Nov 16, 2020

First use in commerce: Nov 16, 2020

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

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Feb 28, 2022

First use in commerce: Feb 28, 2022

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

Class 045Legal, security & personal social services

US codes: 100, 101

First use anywhere: Oct 16, 2020

First use in commerce: Oct 16, 2020

Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

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

47 events

REGISTERED-PRINCIPAL REGISTER

Sep 09, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Sep 09, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Aug 20, 2025

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Aug 20, 2025

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

SU - NON-FINAL ACTION - WRITTEN

Jul 28, 2025

SU - NON-FINAL ACTION - WRITTEN

NON-FINAL ACTION E-MAILED

Jul 28, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jul 28, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

STATEMENT OF USE PROCESSING COMPLETE

Jun 17, 2025

STATEMENT OF USE PROCESSING COMPLETE

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Jun 16, 2025

CASE ASSIGNED TO INTENT TO USE PARALEGAL

TEAS STATEMENT OF USE RECEIVED

Mar 18, 2025

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Mar 18, 2025

USE AMENDMENT FILED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Mar 03, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU EXTENSION 2 GRANTED

Nov 21, 2024

SOU EXTENSION 2 GRANTED

SOU TEAS EXTENSION RECEIVED

Nov 20, 2024

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 2 FILED

Nov 20, 2024

SOU EXTENSION 2 FILED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

May 29, 2024

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

May 28, 2024

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

May 28, 2024

SOU EXTENSION 1 FILED

SOU EXTENSION 1 GRANTED

May 28, 2024

SOU EXTENSION 1 GRANTED

ASSIGNED TO EXAMINER

Nov 30, 2023

ASSIGNED TO EXAMINER

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Nov 28, 2023

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Oct 03, 2023

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 03, 2023

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 13, 2023

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 26, 2023

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Aug 18, 2023

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Aug 18, 2023

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Aug 18, 2023

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Jul 29, 2023

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jul 29, 2023

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jul 29, 2023

NOTIFICATION OF NON-FINAL ACTION E-MAILED

PREVIOUS ALLOWANCE COUNT WITHDRAWN

Apr 24, 2023

PREVIOUS ALLOWANCE COUNT WITHDRAWN

WITHDRAWN FROM PUB - OG REVIEW QUERY

Apr 04, 2023

WITHDRAWN FROM PUB - OG REVIEW QUERY

EXAMINERS AMENDMENT -WRITTEN

Mar 20, 2023

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Mar 20, 2023

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Mar 20, 2023

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Mar 20, 2023

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 20, 2023

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

Mar 09, 2023

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Mar 08, 2023

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Mar 08, 2023

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION WRITTEN

Dec 16, 2022

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Dec 16, 2022

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Dec 16, 2022

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Dec 14, 2022

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 08, 2022

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 07, 2022

NEW APPLICATION ENTERED

Other Marks by Halifax International Security Forum

Additional USPTO filings from the same owner.

HFX

97293621

Halifax International Security Forum

REGISTERED

LOG

LogoMark

87023404

Halifax International Security Forum

REGISTERED

HAL

HALIFAX INTERNATIONAL SECURITY FORUM

87023410

Halifax International Security Forum

REGISTERED

IFY

IF YOU GO YOU KNOW

99387536

Halifax International Security Forum

PENDING

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

Recently filed and registered marks in the same international class.

HFX

90469639

Nevro Corp.

REGISTERED

HFX

97293621

Halifax International Security Forum

REGISTERED

HFX

90668221

Nevro Corp.

PENDING

HFX

HFX ACCESS

90668226

Nevro Corp.

ABANDONED

Other Marks by Susan N. Acquista, Esq.

Additional USPTO filings handled by the same attorney of record.

RVR

98602223

REGISTERED

WOO

WOOF WASHER

97211648

REGISTERED

DIA

DIAMONDDOCK

78491829

REGISTERED

PRI

PRIMAL PATTERN

78244091

REGISTERED

HFX

Run a conflict check

Other Marks by Halifax International Security Forum

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

Other Marks by Susan N. Acquista, Esq.

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company