Who owns the EF trademark?

The EF trademark is owned by Signum International AG.

What is the serial number for EF?

The USPTO serial number for EF is 79402275.

What is the registration number for EF?

EF is registered under USPTO registration number 7895270.

USPTO Trademark Record

REGISTERED

EF

Q: What class is the EF trademark registered in?

The EF trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 016 (Paper goods, books & stationery).

SN 79402275·Reg 7895270·Filed Feb 28, 2024

Owner Signum International 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.; Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furniture; adhesives for stationery or household purposes; drawing materials and materials for artists; paintbrushes; instructional and teaching materials; plastic sheets, films and bags for wrapping and packaging; printers' type, printing blocks.

EF (Serial No. 79402275), Registration No. 7895270, is a registered US trademark filed on Feb 28, 2024 by Signum International AG. This trademark covers Class 009 (Electronics, software & scientific instruments), Class 016 (Paper goods, books & stationery).

early section 8: August 19, 2031

Mark Intelligence

EF (Reg. #7895270) is a registered US trademark that has been protecting its owner, Signum International AG, since 2024. The mark covers Class 009 (Electronics, software & scientific instruments) and Class 016 (Paper goods, books & stationery) respectively. Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 4 opposition proceedings during prosecution.

FILED

Feb 28, 2024

SERIAL

79402275

REG#

7895270

REGISTERED

Aug 19, 2025

Owner

Applicant

Signum International AG

Entity

Not Provided

Address

Selnaustrasse 30, CH-8001 Zürich

Country

Attorney

NameAllison Strickland Ricketts

Law firm

Allison Strickland Ricketts Fross Zelnick Lehrman & Zissu, P.C.

Docket

SIGM 2506319

Address

151 West 42nd Street, 17th Floor, New York, NY 10036, United States

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Filing Information

StatusREGISTERED

Filing DateFeb 28, 2024

Serial Number79402275

Registration No.7895270

Registration DateAug 19, 2025

Status DateAug 19, 2025

Published for OppositionJun 03, 2025

Mark TypeDesign with words

Attorney DocketSIGM 2506319

Status DescriptionLive and registered

Filing Signals

FILED

2024

YEARS AGO

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

Class 016Paper goods, books & stationery

US codes: 002, 005, 022, 023, 029, 037, 038, 050

Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furniture; adhesives for stationery or household purposes; drawing materials and materials for artists; paintbrushes; instructional and teaching materials; plastic sheets, films and bags for wrapping and packaging; printers' type, printing blocks.

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

Status History

27 events

FINAL DECISION TRANSACTION PROCESSED BY IB

Mar 19, 2026

FINAL DECISION TRANSACTION PROCESSED BY IB

FINAL DISPOSITION PROCESSED

Mar 03, 2026

FINAL DISPOSITION PROCESSED

FINAL DISPOSITION NOTICE SENT TO IB

Mar 03, 2026

FINAL DISPOSITION NOTICE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

Jan 29, 2026

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

Jan 14, 2026

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Jan 14, 2026

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Nov 19, 2025

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Aug 19, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 19, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jun 03, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 03, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 28, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 06, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Apr 14, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Apr 14, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Apr 14, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

REFUSAL PROCESSED BY IB

Nov 09, 2024

REFUSAL PROCESSED BY IB

NEW REPRESENTATIVE AT IB RECEIVED

Nov 01, 2024

NEW REPRESENTATIVE AT IB RECEIVED

REFUSAL PROCESSED BY MPU

Oct 23, 2024

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Oct 23, 2024

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Oct 17, 2024

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

Oct 16, 2024

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Sep 16, 2024

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 30, 2024

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Aug 30, 2024

APPLICATION FILING RECEIPT MAILED

LIMITATION FROM ORIGINAL APPLICATION ENTERED

Aug 29, 2024

LIMITATION FROM ORIGINAL APPLICATION ENTERED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Aug 15, 2024

SN ASSIGNED FOR SECT 66A APPL FROM IB

EF

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