Who owns the NSF trademark?

The NSF trademark is owned by NSF International.

What class is the NSF trademark registered in?

The NSF trademark is registered in Class A (Class NaN).

What is the serial number for NSF?

The USPTO serial number for NSF is 74801814.

What is the registration number for NSF?

NSF is registered under USPTO registration number 1884384.

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NSF

USPTO Trademark Record

REGISTERED

NSF

SN 74801814·Reg 1884384·Filed Apr 08, 1991

Owner NSF International

NSF (Serial No. 74801814), Registration No. 1884384, is a registered US trademark filed on Apr 08, 1991 by NSF International. This trademark covers Class A (Class NaN).

Section 8/9 declaration window: March 14, 2035

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Mark Intelligence

NSF (Reg. #1884384) is a registered US trademark that has been protecting its owner, NSF International, since 1991. The mark covers Class A (Class NaN). The mark faced 1 opposition proceeding during prosecution.

FILED

Apr 08, 1991

SERIAL

74801814

REG#

1884384

REGISTERED

Mar 14, 1995

Filing Information

StatusREGISTERED

Filing DateApr 08, 1991

Serial Number74801814

Registration No.1884384

Registration DateMar 14, 1995

Status DateJun 22, 2014

Published for OppositionJun 15, 1993

Filing Basis & Declarations

Use Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 00AClass 0

US codes: A

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

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Status History

55 events

POST REGISTRATION ACTION MAILED - SEC. 8 & 9

Apr 01, 2026

POST REGISTRATION ACTION MAILED - SEC. 8 & 9

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

Feb 04, 2026

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 04, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

POST REGISTRATION ACTION MAILED - SEC. 8 & 9

Aug 04, 2025

POST REGISTRATION ACTION MAILED - SEC. 8 & 9

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 02, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Mar 14, 2025

TEAS SECTION 8 & 9 RECEIVED

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

Mar 14, 2024

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Feb 28, 2022

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Feb 28, 2022

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 28, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Feb 28, 2022

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 28, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Feb 28, 2022

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

NOTICE OF SUIT

Jan 18, 2018

NOTICE OF SUIT

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 09, 2017

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NOTICE OF SUIT

Apr 19, 2016

NOTICE OF SUIT

Apr 19, 2016

NOTICE OF SUIT

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 24, 2015

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Jun 22, 2014

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Jun 22, 2014

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

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

Jun 22, 2014

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

TEAS SECTION 8 & 9 RECEIVED

Jun 20, 2014

TEAS SECTION 8 & 9 RECEIVED

NOTICE OF SUIT

Mar 31, 2014

NOTICE OF SUIT

Dec 18, 2013

NOTICE OF SUIT

Jan 25, 2012

NOTICE OF SUIT

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 27, 2011

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Jun 08, 2010

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jun 08, 2010

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 27, 2009

TEAS CHANGE OF CORRESPONDENCE RECEIVED

ASSIGNED TO PARALEGAL

May 05, 2005

ASSIGNED TO PARALEGAL

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

May 05, 2005

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

May 05, 2005

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

TEAS SECTION 8 & 9 RECEIVED

Mar 14, 2005

TEAS SECTION 8 & 9 RECEIVED

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

Mar 14, 2005

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

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

Jun 01, 2001

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

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

Mar 12, 2001

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

REGISTERED-PRINCIPAL REGISTER

Mar 14, 1995

REGISTERED-PRINCIPAL REGISTER

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Nov 22, 1994

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 18, 1994

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION MAILED

Jul 11, 1994

NON-FINAL ACTION MAILED

DIVISIONAL PROCESSING COMPLETE

Jun 02, 1994

DIVISIONAL PROCESSING COMPLETE

STATEMENT OF USE PROCESSING COMPLETE

Jun 02, 1994

STATEMENT OF USE PROCESSING COMPLETE

USE AMENDMENT FILED

Mar 28, 1994

USE AMENDMENT FILED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Mar 28, 1994

CORRESPONDENCE RECEIVED IN LAW OFFICE

NOA MAILED - SOU REQUIRED FROM APPLICANT

Sep 28, 1993

NOA MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Jun 15, 1993

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

May 14, 1993

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 06, 1993

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Mar 16, 1993

ASSIGNED TO EXAMINER

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jan 15, 1993

CORRESPONDENCE RECEIVED IN LAW OFFICE

FINAL REFUSAL MAILED

Jul 10, 1992

FINAL REFUSAL MAILED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 04, 1992

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION MAILED

Nov 07, 1991

NON-FINAL ACTION MAILED

ASSIGNED TO EXAMINER

Aug 26, 1991

ASSIGNED TO EXAMINER

Jul 09, 1991

ASSIGNED TO EXAMINER

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