Who owns the SISU trademark?

The SISU trademark is owned by Art Fitness LLC.

What class is the SISU trademark registered in?

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

What is the serial number for SISU?

The USPTO serial number for SISU is 88549768.

What is the registration number for SISU?

SISU is registered under USPTO registration number 6049631.

Sealvo

Home Search: SISUSISU #88549768

Back

Updated Sep 30, 2026·21 searches this week

View on USPTO TSDR Find similar marks

SIS

USPTO Trademark Record

REGISTERED

SISU

SN 88549768·Reg 6049631·Filed Jul 30, 2019

Owner Art Fitness LLC

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

SISU (Serial No. 88549768), Registration No. 6049631, is a registered US trademark filed on Jul 30, 2019 by Art Fitness LLC. This trademark covers Class 035 (Advertising, business management & retail services).

Section 8/9 declaration window: May 06, 2030

Conflict Analysis

Full conflict analysis for SISU (SN 88549768) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

SISU (Reg. #6049631) is a registered US trademark that has been protecting its owner, Art Fitness LLC, since 2019. 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 1 opposition proceeding during prosecution.

FILED

Jul 30, 2019

SERIAL

88549768

REG#

6049631

REGISTERED

May 05, 2020

Filing Information

StatusREGISTERED

Filing DateJul 30, 2019

Serial Number88549768

Registration No.6049631

Registration DateMay 05, 2020

Status DateJul 20, 2026

Published for OppositionJan 14, 2020

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Mar 06, 2020

First use in commerce: Mar 06, 2020

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

41 events

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

Jul 20, 2026

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

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

Jul 20, 2026

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 13, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 15 RECEIVED

Apr 09, 2026

TEAS SECTION 8 & 15 RECEIVED

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

May 05, 2025

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

NOTICE OF UPDATED REGISTRATION CONFIRMATION EMAILED

Jul 16, 2024

NOTICE OF UPDATED REGISTRATION CONFIRMATION EMAILED

AMENDMENT UNDER SECTION 7 - PROCESSED

Jun 10, 2024

AMENDMENT UNDER SECTION 7 - PROCESSED

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

May 20, 2024

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

POST REGISTRATION ACTION MAILED - SEC. 7

May 17, 2024

POST REGISTRATION ACTION MAILED - SEC. 7

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

May 06, 2024

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 7 REQUEST RECEIVED

Oct 03, 2023

TEAS SECTION 7 REQUEST RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Apr 04, 2023

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Apr 04, 2023

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 04, 2023

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Apr 04, 2023

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 04, 2023

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Apr 04, 2023

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Dec 08, 2021

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Dec 08, 2021

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Dec 08, 2021

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

May 05, 2020

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Apr 03, 2020

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Apr 02, 2020

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Apr 01, 2020

CASE ASSIGNED TO INTENT TO USE PARALEGAL

STATEMENT OF USE PROCESSING COMPLETE

Apr 01, 2020

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

Mar 14, 2020

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Mar 14, 2020

USE AMENDMENT FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Mar 10, 2020

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Jan 14, 2020

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 14, 2020

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Dec 25, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 11, 2019

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

Nov 20, 2019

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Nov 19, 2019

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Nov 19, 2019

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION WRITTEN

Oct 25, 2019

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Oct 25, 2019

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Oct 25, 2019

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Oct 24, 2019

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 10, 2019

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Aug 02, 2019

NEW APPLICATION ENTERED

Other Marks by Art Fitness LLC

Additional USPTO filings from the same owner.

SIS

SISU ATHLETICS

88279775

Art Fitness LLC

ABANDONED

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

Recently filed and registered marks in the same international class.

SIS

SISU

88625519

Sisu Data, Inc.

REGISTERED

SIS

SISU

88765755

Brian Charlesworth

REGISTERED

SIS

SISU

88739776

Brian Charlesworth

REGISTERED

SIS

SISU

78839724

SISU CYCLES, INC.

REGISTERED

Other Marks by Laura J. Winston

Additional USPTO filings handled by the same attorney of record.

EUC

EUCLIDEANSPINE

86800871

REGISTERED

BEY

BEYOND AIR

88480049

REGISTERED

T H

87007859

REGISTERED

THT

T H TONE HOUSE

87008084

REGISTERED

SISU

Run a conflict check

Other Marks by Art Fitness LLC

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

Other Marks by Laura J. Winston

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company