Who owns the LEO trademark?

The LEO trademark is owned by KELLER Pressure GmbH.

What class is the LEO trademark registered in?

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

What is the serial number for LEO?

The USPTO serial number for LEO is 79422442.

What is the registration number for LEO?

LEO is registered under USPTO registration number 8182292.

LEO - Owned by KELLER Pressure GmbH - (Class 009)

What to file next

Section 8 declaration of continued use

When: Due between the fifth and sixth anniversary of registration.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed Section 8 cancels the registration, and there is no revival route for it.

How the Section 8 deadline works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 009Electronics, software & scientific instruments

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

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.

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

Filing Basis & Declarations

Standard Characters ClaimedTrademark

Status History

31 events

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

Oct 08, 2026

Code OPNX

FINAL DECISION TRANSACTION PROCESSED BY IB

Sep 24, 2026

Code FINO

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

Sep 23, 2026

Code OPNR

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Sep 23, 2026

Code OPNS

FINAL DISPOSITION NOTICE SENT TO IB

Sep 03, 2026

Code FICS

FINAL DISPOSITION PROCESSED

Sep 02, 2026

Code FIMP

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Jun 24, 2026

Code FICR

REGISTERED-PRINCIPAL REGISTER

Mar 24, 2026

Code R.PR

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Mar 24, 2026

Code NRCC

CHANGE OF NAME/ADDRESS REC'D FROM IB

Feb 19, 2026

Code ADCH

PUBLISHED FOR OPPOSITION

Feb 03, 2026

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Feb 03, 2026

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 28, 2026

Code NONP

EXAMINERS AMENDMENT -WRITTEN

Jan 12, 2026

Code CNEA

EXAMINERS AMENDMENT E-MAILED

Jan 12, 2026

Code GNEA

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Jan 12, 2026

Code GNEN

EXAMINER'S AMENDMENT ENTERED

Jan 12, 2026

Code XAEC

APPROVED FOR PUB - PRINCIPAL REGISTER

Jan 12, 2026

Code CNSA

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jan 08, 2026

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jan 08, 2026

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

Jan 08, 2026

Code TEME

ASSIGNED TO EXAMINER

Nov 12, 2025

Code DOCK

REFUSAL PROCESSED BY IB

Aug 02, 2025

Code RFNT

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Jul 16, 2025

Code RFCS

REFUSAL PROCESSED BY MPU

Jul 15, 2025

Code RFRR

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

May 23, 2025

Code RFCR

NON-FINAL ACTION WRITTEN

May 22, 2025

Code CNRT

ASSIGNED TO EXAMINER

May 07, 2025

Code DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Apr 25, 2025

Code NWOS

APPLICATION FILING RECEIPT MAILED

Apr 25, 2025

Code MAFR

SN ASSIGNED FOR SECT 66A APPL FROM IB

Apr 24, 2025

Code REPR

Other Marks by KELLER Pressure GmbH

Additional USPTO filings from the same owner.

PRE

PRESSURESUITE

79419470

KELLER Pressure GmbH

REGISTERED

Other Marks in Class 009 — Electronics, software & scientific instruments

Recently filed and registered marks in the same international class.

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Additional USPTO filings handled by the same attorney of record.

EVO

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99210529

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LEO

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks by KELLER Pressure GmbH

Other Marks in Class 009 — Electronics, software & scientific instruments

Other Marks by Benjamin J. Lehberger

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