Who owns the THE DUFFY DIFFERENCE trademark?

The THE DUFFY DIFFERENCE trademark is owned by Duffy Engineering Company Corp..

What class is the THE DUFFY DIFFERENCE trademark registered in?

The THE DUFFY DIFFERENCE trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for THE DUFFY DIFFERENCE?

The USPTO serial number for THE DUFFY DIFFERENCE is 99038533.

What is the registration number for THE DUFFY DIFFERENCE?

THE DUFFY DIFFERENCE is registered under USPTO registration number 7984510.

THE

USPTO Trademark Record

REGISTERED

THE DUFFY DIFFERENCE

SN 99038533·Reg 7984510·Filed Feb 12, 2025

Owner Duffy Engineering Company Corp.

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

THE DUFFY DIFFERENCE (Serial No. 99038533), Registration No. 7984510, is a registered US trademark filed on Feb 12, 2025 by Duffy Engineering Company Corp.. This trademark covers Class 042 (Scientific, technology & SaaS services).

early section 8: October 14, 2031

Mark Intelligence

THE DUFFY DIFFERENCE (Reg. #7984510) is a registered US trademark that has been protecting its owner, Duffy Engineering Company Corp., since 2025. The mark covers Class 042 (Scientific, technology & SaaS services). Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research.... The mark faced 1 opposition proceeding during prosecution.

FILED

Feb 12, 2025

SERIAL

99038533

REG#

7984510

REGISTERED

Oct 14, 2025

Owner

Applicant

Duffy Engineering Company Corp.

Entity

Corporation

State

Address

37 Harlow Street, #2, Arlington, MA, 02474

Country

Attorney

NameJane Moon

Law firm

Jane Moon LZ Legal Services, LLC

Docket

E577607094

Address

2828 N Central Ave, PMB #1510, Phoenix, AZ 85004, United States

Get pre-filing clearance

AI attorney analyzes your proposed mark against USPTO — Go/No-Go verdict, class-by-class risks, and strategy recommendations.

Run clearance

Filing Information

StatusREGISTERED

Filing DateFeb 12, 2025

Serial Number99038533

Registration No.7984510

Registration DateOct 14, 2025

Status DateOct 14, 2025

Published for OppositionAug 26, 2025

Mark TypeStandard characters

Attorney DocketE577607094

Status DescriptionLive and registered

Filing Signals

FILED

2025

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

Search 14M+ trademarks

Free USPTO lookups by name, owner, or serial number. No account needed.

Search now

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Jul 31, 2024

First use in commerce: Jul 31, 2024

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

Status History

10 events

REGISTERED-PRINCIPAL REGISTER

Oct 14, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Oct 14, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Aug 26, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 26, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 20, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 23, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Jul 21, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

Feb 12, 2025

NEW APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 12, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Feb 12, 2025

APPLICATION FILING RECEIPT MAILED

THE DUFFY DIFFERENCE

Get pre-filing clearance

Search 14M+ trademarks

Run a conflict check

Other Marks in Class 042 — Scientific, technology & SaaS services

Other Marks by Jane Moon

Resources

Company