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), Class B (Class NaN).

What is the serial number for NSF?

The USPTO serial number for NSF is 74443519.

What is the registration number for NSF?

NSF is registered under USPTO registration number 1912836.

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NSF

USPTO Trademark Record

REGISTERED

NSF

SN 74443519·Reg 1912836·Filed Oct 04, 1993

Owner NSF International

NSF (Serial No. 74443519), Registration No. 1912836, is a registered US trademark filed on Oct 04, 1993 by NSF International. This trademark covers Class A (Class NaN), Class B (Class NaN).

Section 8/9 declaration window: August 15, 2035

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Mark Intelligence

NSF (Reg. #1912836) is a registered US trademark that has been protecting its owner, NSF International, since 1993. The mark covers Class A (Class NaN) and Class B (Class NaN) respectively. The mark faced 1 opposition proceeding during prosecution.

FILED

Oct 04, 1993

SERIAL

74443519

REG#

1912836

REGISTERED

Aug 15, 1995

Filing Information

StatusREGISTERED

Filing DateOct 04, 1993

Serial Number74443519

Registration No.1912836

Registration DateAug 15, 1995

Status DateJan 06, 2026

Published for OppositionJun 28, 1994

Filing Basis & Declarations

Use Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 00AClass 0

US codes: A

Class 00BClass 0

US codes: B

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

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Status History

55 events

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

Jan 06, 2026

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

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Jan 06, 2026

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

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

Jan 06, 2026

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Dec 02, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Nov 28, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Aug 15, 2025

TEAS SECTION 8 & 9 RECEIVED

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

Aug 15, 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

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 09, 2017

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Jul 03, 2017

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Jul 03, 2017

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

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

Jul 03, 2017

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

ELECTRONIC RECORD REVIEW COMPLETE

Jun 30, 2017

ELECTRONIC RECORD REVIEW COMPLETE

REINSTATED

Jun 30, 2017

REINSTATED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 30, 2017

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

PETITION TO DIRECTOR GRANTED

Jun 27, 2017

PETITION TO DIRECTOR GRANTED

ASSIGNED TO PETITION STAFF

Jun 01, 2017

ASSIGNED TO PETITION STAFF

Nov 01, 2016

ASSIGNED TO PETITION STAFF

TEAS PETITION TO DIRECTOR RECEIVED

Sep 15, 2016

TEAS PETITION TO DIRECTOR RECEIVED

ON HOLD - ELECTRONIC RECORD REVIEW REQUIRED

Jul 29, 2016

ON HOLD - ELECTRONIC RECORD REVIEW REQUIRED

CANCELLED SEC. 8 (10-YR)

Jul 26, 2016

CANCELLED SEC. 8 (10-YR)

POST REGISTRATION ACTION MAILED - SEC. 8 & 9

Jan 13, 2016

POST REGISTRATION ACTION MAILED - SEC. 8 & 9

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 12, 2016

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Sep 12, 2015

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Sep 11, 2015

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Aug 12, 2015

TEAS SECTION 8 & 9 RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 24, 2015

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

CASE FILE IN TICRS

Jun 27, 2007

CASE FILE IN TICRS

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

Dec 09, 2005

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Dec 09, 2005

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

ASSIGNED TO PARALEGAL

Nov 28, 2005

ASSIGNED TO PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Aug 15, 2005

TEAS SECTION 8 & 9 RECEIVED

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

Aug 15, 2005

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

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

Sep 15, 2001

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

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

Aug 09, 2001

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

REGISTERED-PRINCIPAL REGISTER

Aug 15, 1995

REGISTERED-PRINCIPAL REGISTER

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

May 31, 1995

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

STATEMENT OF USE PROCESSING COMPLETE

May 12, 1995

STATEMENT OF USE PROCESSING COMPLETE

USE AMENDMENT FILED

Mar 20, 1995

USE AMENDMENT FILED

NOA MAILED - SOU REQUIRED FROM APPLICANT

Sep 20, 1994

NOA MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Jun 28, 1994

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

May 27, 1994

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 04, 1994

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINER'S AMENDMENT MAILED

Feb 22, 1994

EXAMINER'S AMENDMENT MAILED

ASSIGNED TO EXAMINER

Feb 08, 1994

ASSIGNED TO EXAMINER

Feb 01, 1994

ASSIGNED TO EXAMINER

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