Who owns the EFO WELLINK trademark?

The EFO WELLINK trademark is owned by WELLINK INDUSTRIAL TECH (SHENZHEN) CO.,LTD.

What class is the EFO WELLINK trademark registered in?

The EFO WELLINK trademark is registered in Class 011 (Lighting, heating, cooling & sanitary apparatus).

What is the serial number for EFO WELLINK?

The USPTO serial number for EFO WELLINK is 87568915.

What is the registration number for EFO WELLINK?

EFO WELLINK is registered under USPTO registration number 5644575.

Sealvo

Home Search: EFO WELLINKEFO WELLINK #87568915

Back

Updated Sep 27, 2026·40 searches this week

View on USPTO TSDR Find similar marks

EFO

USPTO Trademark Record

ABANDONED

EFO WELLINK

SN 87568915·Reg 5644575·Filed Aug 15, 2017

Owner WELLINK INDUSTRIAL TECH (SHENZHEN) CO.,LTD

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

EFO WELLINK (Serial No. 87568915), Registration No. 5644575, is a abandoned US trademark filed on Aug 15, 2017 by WELLINK INDUSTRIAL TECH (SHENZHEN) CO.,LTD. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

Conflict Analysis

Full conflict analysis for EFO WELLINK (SN 87568915) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

EFO WELLINK (Reg. #5644575) is an abandoned US trademark that was filed in 2017 but has since been abandoned. The mark covers Class 011 (Lighting, heating, cooling & sanitary apparatus). Goods and services include Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply.... The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 15, 2017

SERIAL

87568915

REG#

5644575

REGISTERED

Jan 01, 2019

Filing Information

StatusABANDONED

Filing DateAug 15, 2017

Serial Number87568915

Registration No.5644575

Registration DateJan 01, 2019

Status DateJul 11, 2025

Published for OppositionJul 03, 2018

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

US codes: 013, 021, 023, 031, 034

First use anywhere: May 30, 2018

First use in commerce: May 30, 2018

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

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

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

43 events

CANCELLED SEC. 8 (6-YR)

Jul 11, 2025

CANCELLED SEC. 8 (6-YR)

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Jan 01, 2024

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

REGISTERED-PRINCIPAL REGISTER

Jan 01, 2019

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Nov 27, 2018

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Nov 26, 2018

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

TEAS/EMAIL CORRESPONDENCE ENTERED

Nov 24, 2018

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Nov 23, 2018

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Nov 23, 2018

CORRESPONDENCE RECEIVED IN LAW OFFICE

SU - NON-FINAL ACTION - WRITTEN

Nov 20, 2018

SU - NON-FINAL ACTION - WRITTEN

NON-FINAL ACTION E-MAILED

Nov 20, 2018

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Nov 20, 2018

NOTIFICATION OF NON-FINAL ACTION E-MAILED

STATEMENT OF USE PROCESSING COMPLETE

Nov 18, 2018

STATEMENT OF USE PROCESSING COMPLETE

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Nov 18, 2018

CASE ASSIGNED TO INTENT TO USE PARALEGAL

USE AMENDMENT FILED

Oct 26, 2018

USE AMENDMENT FILED

TEAS STATEMENT OF USE RECEIVED

Oct 26, 2018

TEAS STATEMENT OF USE RECEIVED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Aug 28, 2018

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

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

Jul 24, 2018

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 24, 2018

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

PUBLISHED FOR OPPOSITION

Jul 03, 2018

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 03, 2018

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 13, 2018

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

TEAS/EMAIL CORRESPONDENCE ENTERED

May 25, 2018

TEAS/EMAIL CORRESPONDENCE ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 25, 2018

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 24, 2018

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 24, 2018

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION WRITTEN

May 14, 2018

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

May 14, 2018

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

May 14, 2018

NOTIFICATION OF NON-FINAL ACTION E-MAILED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 12, 2018

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

May 12, 2018

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 06, 2018

TEAS RESPONSE TO OFFICE ACTION RECEIVED

NON-FINAL ACTION E-MAILED

Feb 21, 2018

NON-FINAL ACTION E-MAILED

NON-FINAL ACTION WRITTEN

Feb 21, 2018

NON-FINAL ACTION WRITTEN

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Feb 21, 2018

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Feb 19, 2018

ASSIGNED TO EXAMINER

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Dec 07, 2017

TEAS CHANGE OF CORRESPONDENCE RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Oct 04, 2017

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

PRELIMINARY/VOLUNTARY AMENDMENT - ENTERED

Sep 07, 2017

PRELIMINARY/VOLUNTARY AMENDMENT - ENTERED

ASSIGNED TO LIE

Sep 01, 2017

ASSIGNED TO LIE

ASSIGNED TO EXAMINER

Aug 26, 2017

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 21, 2017

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

TEAS VOLUNTARY AMENDMENT RECEIVED

Aug 20, 2017

TEAS VOLUNTARY AMENDMENT RECEIVED

NEW APPLICATION ENTERED

Aug 18, 2017

NEW APPLICATION ENTERED

Other Marks in Class 011 — Lighting, heating, cooling & sanitary apparatus

Recently filed and registered marks in the same international class.

EFO

77111938

ENERGY FOCUS, INC.

ABANDONED

EFO

77141516

ENERGY FOCUS, INC.

ABANDONED

EFO

EFO ICE

78752627

ENERGY FOCUS, INC.

ABANDONED

FIB

FIBERSTARS EFO

76280590

ENERGY FOCUS, INC.

ABANDONED

Other Marks by WILLIAM SCOTT GOLDMAN

Additional USPTO filings handled by the same attorney of record.

ARI

ARIGHTCO

99607303

REGISTERED

AAR

A ARIGHTCO

99607297

REGISTERED

CHA

CHARGEFLOW

88951906

REGISTERED

YOU

YOUM

98483680

REGISTERED

EFO WELLINK

Run a conflict check

Other Marks in Class 011 — Lighting, heating, cooling & sanitary apparatus

Other Marks by WILLIAM SCOTT GOLDMAN

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company