Who owns the W WILLIS trademark?

The W WILLIS trademark is owned by 4435273 CANADA INC..

What class is the W WILLIS trademark registered in?

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

What is the serial number for W WILLIS?

The USPTO serial number for W WILLIS is 98573868.

What is the registration number for W WILLIS?

W WILLIS is registered under USPTO registration number 7924781.

Sealvo

Home Search: W WILLISW WILLIS #98573868

Back

Updated Sep 17, 2026·18 searches this week

View on USPTO TSDR Find similar marks

WWI

USPTO Trademark Record

REGISTERED

W WILLIS

SN 98573868·Reg 7924781·Filed May 29, 2024

Owner 4435273 CANADA INC.

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

W WILLIS (Serial No. 98573868), Registration No. 7924781, is a registered US trademark filed on May 29, 2024 by 4435273 CANADA INC.. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: September 02, 2031

Conflict Analysis

Full conflict analysis for W WILLIS (SN 98573868) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

W WILLIS (Reg. #7924781) is a registered US trademark that has been protecting its owner, 4435273 CANADA INC., since 2024. 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

May 29, 2024

SERIAL

98573868

REG#

7924781

REGISTERED

Sep 02, 2025

Filing Information

StatusREGISTERED

Filing DateMay 29, 2024

Serial Number98573868

Registration No.7924781

Registration DateSep 02, 2025

Status DateSep 02, 2025

Published for OppositionJul 15, 2025

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

US codes: 013, 021, 023, 024, 031, 034

First use anywhere: Mar 31, 2014

First use in commerce: Mar 31, 2014

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

19 events

REGISTERED-PRINCIPAL REGISTER

Sep 02, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Sep 02, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jul 15, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 15, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 09, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 13, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jun 11, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jun 11, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jun 11, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

Feb 13, 2025

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

Feb 13, 2025

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

ASSIGNED TO EXAMINER

Dec 11, 2024

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Dec 11, 2024

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Dec 11, 2024

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Dec 11, 2024

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 08, 2024

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NOTICE OF DESIGN SEARCH CODE E-MAILED

Dec 08, 2024

NOTICE OF DESIGN SEARCH CODE E-MAILED

Dec 08, 2024

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION ENTERED

May 29, 2024

NEW APPLICATION ENTERED

Other Marks by 4435273 CANADA INC.

Additional USPTO filings from the same owner.

WIL

WILLIS

98573927

4435273 CANADA INC.

REGISTERED

WIL

WILLIS AIR CONDITIONING

86669538

4435273 CANADA INC.

REGISTERED

BRE

BREMEN

86833507

4435273 CANADA INC.

REGISTERED

WIL

WILD CAT HVAC TOOLS & CONSUMABLES

98688669

4435273 CANADA INC.

PENDING

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

Recently filed and registered marks in the same international class.

WIL

WILLIS

98573927

4435273 CANADA INC.

REGISTERED

WIL

WILLIS AIR CONDITIONING

86669538

4435273 CANADA INC.

REGISTERED

W + W

97064172

Brumis Imports, Inc.

REGISTERED

98860461

Wine to Water

REGISTERED

Other Marks by Leonard Ellis Seidman

Additional USPTO filings handled by the same attorney of record.

ISA

ISART DIGITAL

86293689

REGISTERED

SWA

SWADDLE

98774480

REGISTERED

BEY

BEYARA

98885456

REGISTERED

LOG

LogoMark

97981501

REGISTERED

W WILLIS

Run a conflict check

Other Marks by 4435273 CANADA INC.

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

Other Marks by Leonard Ellis Seidman

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company