Who owns the F-SECURE HORIZON trademark?

The F-SECURE HORIZON trademark is owned by F-Secure Corporation.

What is the serial number for F-SECURE HORIZON?

The USPTO serial number for F-SECURE HORIZON is 79439347.

What is the registration number for F-SECURE HORIZON?

F-SECURE HORIZON is registered under USPTO registration number 8397341.

FSE

USPTO Trademark Record

REGISTERED

F-SECURE HORIZON

Q: What class is the F-SECURE HORIZON trademark registered in?

The F-SECURE HORIZON trademark is registered in Class 035 (Advertising, business management & retail services), Class 041 (Education & entertainment services), Class 042 (Scientific, technology & SaaS services), Class 045 (Legal, security & personal social services).

SN 79439347·Reg 8397341·Filed Sep 29, 2025

Owner F-Secure Corporation

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

F-SECURE HORIZON (Serial No. 79439347), Registration No. 8397341, is a registered US trademark filed on Sep 29, 2025 by F-Secure Corporation. This trademark covers Class 035 (Advertising, business management & retail services), Class 041 (Education & entertainment services), Class 042 (Scientific, technology & SaaS services), Class 045 (Legal, security & personal social services).

early section 8: August 18, 2032

Mark Intelligence

F-SECURE HORIZON (Reg. #8397341) is a registered US trademark that has been protecting its owner, F-Secure Corporation, since 2025. The mark covers Class 035 (Advertising, business management & retail services), Class 041 (Education & entertainment services), Class 042 (Scientific, technology & SaaS 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 3 opposition proceedings during prosecution.

FILED

Sep 29, 2025

SERIAL

79439347

REG#

8397341

REGISTERED

Aug 18, 2026

Owner

Applicant

F-Secure Corporation

Entity

Corporation

Address

Tammasaarenkatu 7, FI-00180 Helsinki

Country

Attorney

NameKathryn Starshak

Law firm

Kathryn Starshak K&L Gates LLP

Address

P.O. Box 1135, Chicago, IL 60690-1135, United States

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Filing Information

StatusREGISTERED

Filing DateSep 29, 2025

Serial Number79439347

Registration No.8397341

Registration DateAug 18, 2026

Status DateAug 18, 2026

Published for OppositionJun 30, 2026

Mark TypeStandard characters

Status DescriptionLive and registered

Filing Signals

FILED

2025

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 3× during prosecution

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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.

Class 041Education & entertainment services

US codes: 100, 101, 107

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

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.

Class 045Legal, security & personal social services

US codes: 100, 101

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.

Status History

27 events

REGISTERED-PRINCIPAL REGISTER

Aug 18, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 18, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jun 30, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 30, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION PROCESSED BY IB

Jun 25, 2026

NOTIFICATION PROCESSED BY IB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 24, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

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

Jun 10, 2026

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

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Jun 10, 2026

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 01, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

May 30, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 29, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 29, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS CHANGE OF OWNER ADDRESS RECEIVED

May 26, 2026

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

May 26, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

May 26, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 26, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

May 26, 2026

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

May 26, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REFUSAL PROCESSED BY IB

Apr 02, 2026

REFUSAL PROCESSED BY IB

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Mar 14, 2026

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

REFUSAL PROCESSED BY MPU

Mar 13, 2026

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Feb 10, 2026

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

Feb 09, 2026

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Feb 03, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 19, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Dec 19, 2025

APPLICATION FILING RECEIPT MAILED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Dec 18, 2025

SN ASSIGNED FOR SECT 66A APPL FROM IB

F-SECURE HORIZON

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