Who owns the QSI trademark?

The QSI trademark is owned by Ambassador Supply LLC.

What is the serial number for QSI?

The USPTO serial number for QSI is 98791959.

What is the registration number for QSI?

QSI is registered under USPTO registration number 8330616.

QSI

USPTO Trademark Record

REGISTERED

QSI

Q: What class is the QSI trademark registered in?

The QSI trademark is registered in Class 006 (Common metals, their alloys & metal goods), Class 035 (Advertising, business management & retail services), Class 037 (Construction, installation & repair services), Class 042 (Scientific, technology & SaaS services).

SN 98791959·Reg 8330616·Filed Oct 09, 2024

Owner Ambassador Supply LLC

Common metals and their alloys, ores; metal materials for building and construction; transportable buildings of metal; non-electric cables and wires of common metal; small items of metal hardware; metal containers for storage or transport; safes.; Advertising; business management, organization and administration; office functions.; Construction services; installation and repair services; mining extraction, oil and gas drilling.; 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.

QSI (Serial No. 98791959), Registration No. 8330616, is a registered US trademark filed on Oct 09, 2024 by Ambassador Supply LLC. This trademark covers Class 006 (Common metals, their alloys & metal goods), Class 035 (Advertising, business management & retail services), Class 037 (Construction, installation & repair services), Class 042 (Scientific, technology & SaaS services).

early section 8: July 07, 2032

Mark Intelligence

QSI (Reg. #8330616) is a registered US trademark that has been protecting its owner, Ambassador Supply LLC, since 2024. The mark covers Class 006 (Common metals, their alloys & metal goods), Class 035 (Advertising, business management & retail services), Class 037 (Construction, installation & repair services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Common metals and their alloys, ores; metal materials for building and construction; transportable buildings of metal; n.... The mark faced 1 opposition proceeding during prosecution.

FILED

Oct 09, 2024

SERIAL

98791959

REG#

8330616

REGISTERED

Jul 07, 2026

Owner

Applicant

Ambassador Supply LLC

Entity

LLC

State

Address

11020 Diebold Road, Fort Wayne, Fort Wayne, IN, 46845

Country

Attorney

NameMichael E. Wever

Law firm

Michael E. Wever Barnes & Thornburg lLP

Docket

97030/412555

Address

888 S. Harrison Street, Suite 600, Fort Wayne, IN 46802, 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 DateOct 09, 2024

Serial Number98791959

Registration No.8330616

Registration DateJul 07, 2026

Status DateJul 07, 2026

Published for OppositionMay 19, 2026

Mark TypeStandard characters

Attorney Docket97030/412555

Status DescriptionLive and registered

Filing Signals

FILED

2024

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 006Common metals, their alloys & metal goods

US codes: 002, 012, 013, 014, 023, 025, 050

First use anywhere: Dec 31, 2010

First use in commerce: Dec 31, 2010

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Dec 31, 2010

First use in commerce: Dec 31, 2010

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

Class 037Construction, installation & repair services

US codes: 100, 103, 106

First use anywhere: Dec 31, 2010

First use in commerce: Dec 31, 2010

Construction services; installation and repair services; mining extraction, oil and gas drilling.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Dec 31, 2010

First use in commerce: Dec 31, 2010

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.

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

Status History

33 events

REGISTERED-PRINCIPAL REGISTER

Jul 07, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jul 07, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

May 19, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

May 19, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 13, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 21, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Apr 20, 2026

CASE ASSIGNED TO INTENT TO USE PARALEGAL

DIVISIONAL PROCESSING COMPLETE

Apr 20, 2026

DIVISIONAL PROCESSING COMPLETE

TEAS/EMAIL CORRESPONDENCE ENTERED

Apr 10, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS REQUEST FOR RECONSIDERATION RECEIVED

Apr 10, 2026

TEAS REQUEST FOR RECONSIDERATION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Apr 10, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS REQUEST TO DIVIDE RECEIVED

Apr 10, 2026

TEAS REQUEST TO DIVIDE RECEIVED

DIVISIONAL REQUEST RECEIVED

Apr 10, 2026

DIVISIONAL REQUEST RECEIVED

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

Jan 12, 2026

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

Jan 12, 2026

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

FINAL REFUSAL E-MAILED

Oct 14, 2025

FINAL REFUSAL E-MAILED

FINAL REFUSAL WRITTEN

Oct 14, 2025

FINAL REFUSAL WRITTEN

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 14, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

NOTIFICATION OF FINAL REFUSAL EMAILED

Oct 14, 2025

NOTIFICATION OF FINAL REFUSAL EMAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Oct 13, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 13, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION WRITTEN

Jul 14, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jul 14, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jul 14, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jul 11, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jul 11, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jul 11, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO EXAMINER

Apr 11, 2025

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Apr 11, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Apr 11, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Apr 11, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Apr 10, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Oct 09, 2024

NEW APPLICATION ENTERED

Other Marks in Class 006 — Common metals, their alloys & metal goods

Recently filed and registered marks in the same international class.

QSI

98791889

Ambassador Supply LLC

REGISTERED

QSI

QSI-NANO

78476053

QuantumSphere, Inc.

ABANDONED

QSI

Get pre-filing clearance

Search 14M+ trademarks

Run a conflict check

Other Marks by Ambassador Supply LLC

Other Marks in Class 006 — Common metals, their alloys & metal goods

Other Marks by Michael E. Wever

Industries

USPTO Deadlines

Compare

Resources

Company