Who owns the SIFI trademark?

The SIFI trademark is owned by TDK ELECTRONICS AG.

What class is the SIFI trademark registered in?

The SIFI trademark is registered in Class 009 (Electronics, software & scientific instruments).

What is the serial number for SIFI?

The USPTO serial number for SIFI is 73562388.

What is the registration number for SIFI?

SIFI is registered under USPTO registration number 1402960.

SIF

USPTO Trademark Record

REGISTERED

SIFI

SN 73562388·Reg 1402960·Filed Oct 09, 1985

Owner TDK ELECTRONICS AG

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.

SIFI (Serial No. 73562388), Registration No. 1402960, is a registered US trademark filed on Oct 09, 1985 by TDK ELECTRONICS AG. This trademark covers Class 009 (Electronics, software & scientific instruments).

renewal grace 40y period: January 29, 2027130 days remaining

Mark Intelligence

SIFI (Reg. #1402960) is a registered US trademark that has been protecting its owner, TDK ELECTRONICS AG, since 1985. The mark covers Class 009 (Electronics, software & scientific instruments). Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 2 opposition proceedings during prosecution.

FILED

Oct 09, 1985

SERIAL

73562388

REG#

1402960

REGISTERED

Jul 29, 1986

Owner

Applicant

TDK ELECTRONICS AG

Entity

Corporation

Address

ROSENHEIMER STR. 141 E, MUNICH, 81671

Country

Attorney

NameMarie Anne Mastrovito

Law firm

Marie Anne Mastrovito Womble Bond Dickinson (US) LLP

Docket

944056

Address

888 Seventh Ave, 38th Floor, New York, NY 10106, United States

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Filing Information

StatusREGISTERED

Filing DateOct 09, 1985

Serial Number73562388

Registration No.1402960

Registration DateJul 29, 1986

Status DateApr 21, 2026

Published for OppositionMay 06, 1986

Mark TypeTypeset (words/letters/numbers)

Attorney Docket944056

Status DescriptionLive and registered, renewed

Filing Signals

FILED

1985

YEARS AGO

41y

CLASSES

MADRID FILINGS

—

Opposed 2× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

US codes: 021

First use anywhere: Jan 02, 1981

First use in commerce: Oct 31, 1983

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

Status History

36 events

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Apr 29, 2026

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

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

Apr 21, 2026

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

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Apr 21, 2026

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

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

Apr 21, 2026

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Apr 20, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Feb 16, 2026

TEAS SECTION 8 & 9 RECEIVED

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

Jul 29, 2025

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Aug 26, 2022

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Aug 26, 2022

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 26, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Aug 26, 2022

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

Aug 26, 2022

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 26, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Aug 26, 2022

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Sep 30, 2016

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Sep 30, 2016

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Sep 30, 2016

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

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

Sep 30, 2016

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

TEAS SECTION 8 & 9 RECEIVED

Jul 15, 2016

TEAS SECTION 8 & 9 RECEIVED

CASE FILE IN TICRS

Oct 05, 2006

CASE FILE IN TICRS

REVIEW OF CORRESPONDENCE COMPLETE

Sep 23, 2006

REVIEW OF CORRESPONDENCE COMPLETE

PAPER RECEIVED

Aug 21, 2006

PAPER RECEIVED

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

Aug 17, 2006

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Aug 17, 2006

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

ASSIGNED TO PARALEGAL

Aug 01, 2006

ASSIGNED TO PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

May 19, 2006

TEAS SECTION 8 & 9 RECEIVED

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

May 19, 2006

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

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

Apr 22, 1992

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

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

Jan 24, 1992

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

REGISTERED-PRINCIPAL REGISTER

Jul 29, 1986

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

May 06, 1986

PUBLISHED FOR OPPOSITION

May 06, 1986

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Apr 06, 1986

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 07, 1986

APPROVED FOR PUB - PRINCIPAL REGISTER

NON-FINAL ACTION MAILED

Feb 24, 1986

NON-FINAL ACTION MAILED

ASSIGNED TO EXAMINER

Dec 06, 1985

ASSIGNED TO EXAMINER

SIFI

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