Who owns the OPTIFLEX trademark?

The OPTIFLEX trademark is owned by KROHNE Messtechnik GmbH.

What class is the OPTIFLEX trademark registered in?

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

What is the serial number for OPTIFLEX?

The USPTO serial number for OPTIFLEX is 79002263.

What is the registration number for OPTIFLEX?

OPTIFLEX is registered under USPTO registration number 3018054.

OPT

USPTO Trademark Record

REGISTERED

OPTIFLEX

SN 79002263·Reg 3018054·Filed Mar 04, 2004

Owner KROHNE Messtechnik GmbH

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.

OPTIFLEX (Serial No. 79002263), Registration No. 3018054, is a registered US trademark filed on Mar 04, 2004 by KROHNE Messtechnik GmbH. This trademark covers Class 009 (Electronics, software & scientific instruments).

Section 8/9 declaration window: November 22, 2035

Mark Intelligence

OPTIFLEX (Reg. #3018054) is a registered US trademark that has been protecting its owner, KROHNE Messtechnik GmbH, since 2004. 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 4 opposition proceedings during prosecution.

FILED

Mar 04, 2004

SERIAL

79002263

REG#

3018054

REGISTERED

Nov 22, 2005

Owner

Applicant

KROHNE Messtechnik GmbH

Entity

Corporation

Address

Ludwig-Krohne-Strasse 5, Duisburg, 47058

Country

Attorney

NameDaniel M. Gurfinkel

Law firm

Daniel M. Gurfinkel Dennemeyer & Associates, LLC

Docket

10171891TR

Address

230 W. Monroe St., Suite 2100, Chicago, IL 60606, United States

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Filing Information

StatusREGISTERED

Filing DateMar 04, 2004

Serial Number79002263

Registration No.3018054

Registration DateNov 22, 2005

Status DateMar 17, 2026

Published for OppositionAug 30, 2005

Next RenewalNovember 22, 2035

Mark TypeStandard characters

Attorney Docket10171891TR

Status DescriptionLive and registered, Section 71 accepted

Filing Signals

FILED

2004

YEARS AGO

22y

CLASSES

MADRID FILINGS

—

Opposed 4× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

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

Status History

41 events

REGISTERED-SEC.71 ACCEPTED

Mar 17, 2026

REGISTERED-SEC.71 ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 71 - E-MAILED

Mar 17, 2026

NOTICE OF ACCEPTANCE OF SEC. 71 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 09, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

CHANGE OF NAME/ADDRESS REC'D FROM IB

Feb 19, 2026

CHANGE OF NAME/ADDRESS REC'D FROM IB

TEAS SECTION 71 RECEIVED

Nov 12, 2025

TEAS SECTION 71 RECEIVED

INTERNATIONAL REGISTRATION RENEWED

Apr 04, 2024

INTERNATIONAL REGISTRATION RENEWED

REGISTERED-SEC.71 ACCEPTED

Sep 10, 2015

REGISTERED-SEC.71 ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 71 - MAILED

Sep 10, 2015

NOTICE OF ACCEPTANCE OF SEC. 71 - MAILED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 08, 2015

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS SECTION 71 RECEIVED

Sep 08, 2015

TEAS SECTION 71 RECEIVED

INTERNATIONAL REGISTRATION RENEWED

Mar 20, 2014

INTERNATIONAL REGISTRATION RENEWED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 30, 2012

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 71 & SEC. 15 FILED

Jun 30, 2012

REGISTERED - SEC. 71 & SEC. 15 FILED

REGISTERED - SEC. 71 ACCEPTED & SEC. 15 ACK.

Jun 30, 2012

REGISTERED - SEC. 71 ACCEPTED & SEC. 15 ACK.

NOTICE OF ACCEPTANCE OF SEC. 71 & 15 - E-MAILED

Jun 30, 2012

NOTICE OF ACCEPTANCE OF SEC. 71 & 15 - E-MAILED

TEAS SECTION 71 & 15 RECEIVED

May 15, 2012

TEAS SECTION 71 & 15 RECEIVED

FINAL DECISION TRANSACTION PROCESSED BY IB

Aug 31, 2007

FINAL DECISION TRANSACTION PROCESSED BY IB

FINAL DISPOSITION PROCESSED

Jul 20, 2006

FINAL DISPOSITION PROCESSED

FINAL DISPOSITION NOTICE SENT TO IB

Jul 20, 2006

FINAL DISPOSITION NOTICE SENT TO IB

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Jul 12, 2006

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Nov 22, 2005

REGISTERED-PRINCIPAL REGISTER

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

Nov 17, 2005

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

Oct 27, 2005

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Oct 27, 2005

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

PUBLISHED FOR OPPOSITION

Aug 30, 2005

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Aug 10, 2005

NOTICE OF PUBLICATION

ASSIGNED TO LIE

May 09, 2005

ASSIGNED TO LIE

LAW OFFICE PUBLICATION REVIEW COMPLETED

May 09, 2005

LAW OFFICE PUBLICATION REVIEW COMPLETED

EXAMINERS AMENDMENT -WRITTEN

May 02, 2005

EXAMINERS AMENDMENT -WRITTEN

APPROVED FOR PUB - PRINCIPAL REGISTER

May 02, 2005

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINERS AMENDMENT MAILED

May 02, 2005

EXAMINERS AMENDMENT MAILED

PAPER RECEIVED

Apr 22, 2005

PAPER RECEIVED

AMENDMENT FROM APPLICANT ENTERED

Mar 02, 2005

AMENDMENT FROM APPLICANT ENTERED

PAPER RECEIVED

Feb 10, 2005

PAPER RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Feb 10, 2005

CORRESPONDENCE RECEIVED IN LAW OFFICE

REFUSAL PROCESSED BY IB

Nov 18, 2004

REFUSAL PROCESSED BY IB

NON-FINAL ACTION MAILED

Oct 12, 2004

NON-FINAL ACTION MAILED

NON-FINAL ACTION WRITTEN

Oct 06, 2004

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Sep 20, 2004

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

May 28, 2004

NEW APPLICATION ENTERED

SN ASSIGNED FOR SECT 66A APPL FROM IB

May 27, 2004

SN ASSIGNED FOR SECT 66A APPL FROM IB

OPTIFLEX

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