Who owns the HSO trademark?

The HSO trademark is owned by Hartford Symphony Orchestra, Inc..

What class is the HSO trademark registered in?

The HSO trademark is registered in Class 041 (Education & entertainment services).

What is the serial number for HSO?

The USPTO serial number for HSO is 86886503.

What is the registration number for HSO?

HSO is registered under USPTO registration number 5035804.

Sealvo

Home Search: HSOHSO #86886503

Back

Updated Oct 6, 2026·37 searches this week

View on USPTO TSDR Find similar marks

HSO

USPTO Trademark Record

REGISTERED

HSO

SN 86886503·Reg 5035804·Filed Jan 26, 2016

Owner Hartford Symphony Orchestra, Inc.

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

HSO (Serial No. 86886503), Registration No. 5035804, is a registered US trademark filed on Jan 26, 2016 by Hartford Symphony Orchestra, Inc.. This trademark covers Class 041 (Education & entertainment services).

Section 8/9 declaration window: September 08, 2036

Mark Intelligence

HSO (Reg. #5035804) is a registered US trademark that has been protecting its owner, Hartford Symphony Orchestra, Inc., since 2016. The mark covers Class 041 (Education & entertainment services). Goods and services include Education; providing of training; entertainment; sporting and cultural activities.. The mark faced 1 opposition proceeding during prosecution.

FILED

Jan 26, 2016

SERIAL

86886503

REG#

5035804

REGISTERED

Sep 06, 2016

Filing Information

StatusREGISTERED

Filing DateJan 26, 2016

Serial Number86886503

Registration No.5035804

Registration DateSep 06, 2016

Status DateJul 14, 2026

Published for OppositionJun 21, 2016

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: May 13, 2000

First use in commerce: May 13, 2000

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

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

23 events

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Jul 14, 2026

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jul 14, 2026

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Jul 14, 2026

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 13, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

May 12, 2026

TEAS SECTION 8 & 9 RECEIVED

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

Sep 06, 2025

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

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

Aug 14, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 14, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 14, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 20, 2023

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Mar 20, 2023

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Mar 20, 2023

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

TEAS SECTION 8 & 15 RECEIVED

Sep 06, 2022

TEAS SECTION 8 & 15 RECEIVED

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Sep 06, 2021

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

REGISTERED-PRINCIPAL REGISTER

Sep 06, 2016

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jun 21, 2016

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 21, 2016

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 01, 2016

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 13, 2016

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

May 11, 2016

ASSIGNED TO EXAMINER

NOTICE OF PSEUDO MARK E-MAILED

Feb 02, 2016

NOTICE OF PSEUDO MARK E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 30, 2016

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jan 29, 2016

NEW APPLICATION ENTERED

Other Marks by Hartford Symphony Orchestra, Inc.

Additional USPTO filings from the same owner.

HAR

HARTFORD SYMPHONY ORCHESTRA

86886456

Hartford Symphony Orchestra, Inc.

REGISTERED

Other Marks in Class 041 — Education & entertainment services

Recently filed and registered marks in the same international class.

HSO

87432877

Health Standards Organization

REGISTERED

HSO

87434557

Health Standards Organization

REGISTERED

Other Marks by Jacqueline P. Scheib

Additional USPTO filings handled by the same attorney of record.

DAN

DANA

88725079

REGISTERED

LOG

LOGICSOURCE

86964610

REGISTERED

APE

APELLA ASCENT

99150521

REGISTERED

BTE

BTECH

78523900

REGISTERED

HSO

Run a conflict check

Other Marks by Hartford Symphony Orchestra, Inc.

Other Marks in Class 041 — Education & entertainment services

Other Marks by Jacqueline P. Scheib

Get pre-filing clearance

Search 14M+ trademarks

Resources

Company