Who owns the SI trademark?

The SI trademark is owned by The Stamford Partnership Inc..

What class is the SI trademark registered in?

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

What is the serial number for SI?

The USPTO serial number for SI is 88907386.

What is the registration number for SI?

SI is registered under USPTO registration number 6359521.

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Updated Sep 19, 2026·33 searches this week

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USPTO Trademark Record

REGISTERED

SI

SN 88907386·Reg 6359521·Filed May 08, 2020

Owner The Stamford Partnership Inc.

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

SI (Serial No. 88907386), Registration No. 6359521, is a registered US trademark filed on May 08, 2020 by The Stamford Partnership Inc.. This trademark covers Class 041 (Education & entertainment services).

Renewal window: May 25, 2027253 days remaining

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Mark Intelligence

SI (Reg. #6359521) is a registered US trademark that has been protecting its owner, The Stamford Partnership Inc., since 2020. 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

May 08, 2020

SERIAL

88907386

REG#

6359521

REGISTERED

May 25, 2021

Filing Information

StatusREGISTERED

Filing DateMay 08, 2020

Serial Number88907386

Registration No.6359521

Registration DateMay 25, 2021

Status DateMay 25, 2021

Published for OppositionMar 09, 2021

Filing Basis & Declarations

Filed as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: May 03, 2018

First use in commerce: May 03, 2018

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

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

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Status History

28 events

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

May 25, 2026

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

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

Mar 17, 2023

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 17, 2023

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Mar 17, 2023

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 17, 2023

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

May 25, 2021

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Mar 09, 2021

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 09, 2021

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Feb 17, 2021

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Feb 01, 2021

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Feb 01, 2021

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Feb 01, 2021

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Feb 01, 2021

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 01, 2021

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

Jan 29, 2021

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jan 28, 2021

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jan 28, 2021

CORRESPONDENCE RECEIVED IN LAW OFFICE

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

Nov 03, 2020

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 03, 2020

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Nov 03, 2020

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 03, 2020

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NON-FINAL ACTION WRITTEN

Aug 04, 2020

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Aug 04, 2020

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Aug 04, 2020

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Aug 03, 2020

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

May 21, 2020

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 20, 2020

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

May 12, 2020

NEW APPLICATION ENTERED

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STA

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