Who owns the E-FLO trademark?

The E-FLO trademark is owned by SK On Co., Ltd..

What class is the E-FLO trademark registered in?

The E-FLO trademark is registered in Class 001 (Chemicals for industrial, scientific & agricultural use), Class 004 (Industrial oils, fuels, lubricants & candles), Class 035 (Advertising, business management & retail services).

What is the serial number for E-FLO?

The USPTO serial number for E-FLO is 79387847.

What is the registration number for E-FLO?

E-FLO is registered under USPTO registration number 7561669.

E-FLO - Owned by SK On Co., Ltd. - (Class 001, Class 004, Class 035)

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 001Chemicals for industrial, scientific & agricultural use

US codes: 001, 005, 006, 010, 026, 046

Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; fire extinguishing and fire prevention compositions; tempering and soldering preparations; substances for tanning animal skins and hides; adhesives for use in industry; compost, manures, fertilizers; biological preparations for use in industry and science.

Class 004Industrial oils, fuels, lubricants & candles

US codes: 001, 006, 015

Industrial oils and greases, wax; lubricants; dust absorbing, wetting and binding compositions; fuels and illuminants; candles and wicks for lighting.

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

Advertising; business management, organization and administration; office functions.

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

Filing Basis & Declarations

Standard Characters ClaimedTrademark

Status History

26 events

CHANGE OF OWNER RECEIVED FROM IB

Jan 29, 2026

Code CHLD

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

Jul 11, 2025

Code OPNX

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

Jun 24, 2025

Code OPNR

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Jun 24, 2025

Code OPNS

FINAL DECISION TRANSACTION PROCESSED BY IB

May 04, 2025

Code FINO

FINAL DISPOSITION PROCESSED

Apr 13, 2025

Code FIMP

FINAL DISPOSITION NOTICE SENT TO IB

Apr 13, 2025

Code FICS

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Feb 12, 2025

Code FICR

REGISTERED-PRINCIPAL REGISTER

Nov 12, 2024

Code R.PR

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Nov 12, 2024

Code NRCC

PUBLISHED FOR OPPOSITION

Aug 27, 2024

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 27, 2024

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 07, 2024

Code NONP

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jul 23, 2024

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jul 23, 2024

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

Jul 23, 2024

Code TEME

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 23, 2024

Code CNSA

REFUSAL PROCESSED BY IB

Mar 27, 2024

Code RFNT

REFUSAL PROCESSED BY MPU

Mar 04, 2024

Code RFRR

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Mar 04, 2024

Code RFCS

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Feb 09, 2024

Code RFCR

NON-FINAL ACTION WRITTEN

Feb 08, 2024

Code CNRT

ASSIGNED TO EXAMINER

Feb 07, 2024

Code DOCK

APPLICATION FILING RECEIPT MAILED

Jan 30, 2024

Code MAFR

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 26, 2024

Code NWOS

SN ASSIGNED FOR SECT 66A APPL FROM IB

Jan 25, 2024

Code REPR

Other Marks by SK On Co., Ltd.

Additional USPTO filings from the same owner.

YUB

YUBASE

79427240

SK On Co., Ltd.

REGISTERED

EFL

E·FLO

79388070

SK On Co., Ltd.

REGISTERED

SAF

SAFER FASTER LONGER THAN EVER

79383560

SK On Co., Ltd.

REGISTERED

ZIC

79373215

SK On Co., Ltd.

REGISTERED

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Additional USPTO filings handled by the same attorney of record.

MAU

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E-FLO

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks by SK On Co., Ltd.

Other Marks in Class 001 — Chemicals for industrial, scientific & agricultural use

Other Marks by David D. Rodrigues

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