Who owns the KEYSTONE trademark?

The KEYSTONE trademark is owned by KEYSTONE TECHNOLOGIES, LLC.

What is the serial number for KEYSTONE?

The USPTO serial number for KEYSTONE is 98458999.

What is the registration number for KEYSTONE?

KEYSTONE is registered under USPTO registration number 8045826.

KEY

USPTO Trademark Record

REGISTERED

KEYSTONE

Q: What class is the KEYSTONE trademark registered in?

The KEYSTONE trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 011 (Lighting, heating, cooling & sanitary apparatus).

SN 98458999·Reg 8045826·Filed Mar 20, 2024

Owner KEYSTONE TECHNOLOGIES, LLC

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.; Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

KEYSTONE (Serial No. 98458999), Registration No. 8045826, is a registered US trademark filed on Mar 20, 2024 by KEYSTONE TECHNOLOGIES, LLC. This trademark covers Class 009 (Electronics, software & scientific instruments), Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: December 02, 2031

Mark Intelligence

KEYSTONE (Reg. #8045826) is a registered US trademark that has been protecting its owner, KEYSTONE TECHNOLOGIES, LLC, since 2024. The mark covers Class 009 (Electronics, software & scientific instruments) and Class 011 (Lighting, heating, cooling & sanitary apparatus) respectively. Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 20, 2024

SERIAL

98458999

REG#

8045826

REGISTERED

Dec 02, 2025

Owner

Applicant

KEYSTONE TECHNOLOGIES, LLC

Entity

LLC

State

Address

2750 MORRIS ROAD, LANSDALE, PA, 19446

Country

Attorney

NameRebecca L. Wilson

Law firm

Rebecca L. Wilson The Dobrusin Law Firm, P.C.

Docket

2628.038US

Address

29 West Lawrence Street, Suite 210, Pontiac, MI 48342, United States

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Filing Information

StatusREGISTERED

Filing DateMar 20, 2024

Serial Number98458999

Registration No.8045826

Registration DateDec 02, 2025

Status DateDec 02, 2025

Published for OppositionOct 14, 2025

Mark TypeStandard characters

Attorney Docket2628.038US

Status DescriptionLive and registered

Filing Signals

FILED

2024

YEARS AGO

CLASSES

MADRID FILINGS

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

First use anywhere: Nov 30, 1944

First use in commerce: Nov 30, 1944

Class 011Lighting, heating, cooling & sanitary apparatus

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

First use anywhere: Nov 30, 1944

First use in commerce: Nov 30, 1944

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.

Status History

32 events

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Apr 22, 2026

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

REGISTERED-PRINCIPAL REGISTER

Dec 02, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Dec 02, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Oct 14, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 14, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 08, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 17, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS REQUEST FOR RECONSIDERATION RECEIVED

Aug 13, 2025

TEAS REQUEST FOR RECONSIDERATION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Aug 13, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Aug 13, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

SUBSEQUENT FINAL REFUSAL WRITTEN

Jun 02, 2025

SUBSEQUENT FINAL REFUSAL WRITTEN

SUBSEQUENT FINAL EMAILED

Jun 02, 2025

SUBSEQUENT FINAL EMAILED

NOTIFICATION OF SUBSEQUENT FINAL EMAILED

Jun 02, 2025

NOTIFICATION OF SUBSEQUENT FINAL EMAILED

TEAS REQUEST FOR RECONSIDERATION RECEIVED

May 09, 2025

TEAS REQUEST FOR RECONSIDERATION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 09, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

May 09, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

Apr 30, 2025

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

Apr 30, 2025

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

FINAL REFUSAL WRITTEN

Jan 31, 2025

FINAL REFUSAL WRITTEN

FINAL REFUSAL E-MAILED

Jan 31, 2025

FINAL REFUSAL E-MAILED

NOTIFICATION OF FINAL REFUSAL EMAILED

Jan 31, 2025

NOTIFICATION OF FINAL REFUSAL EMAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jan 02, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jan 02, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jan 02, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Oct 02, 2024

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Oct 02, 2024

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Oct 02, 2024

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Sep 24, 2024

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Apr 02, 2024

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

TEAS VOLUNTARY AMENDMENT RECEIVED

Mar 22, 2024

TEAS VOLUNTARY AMENDMENT RECEIVED

TEAS AMENDMENT ENTERED BEFORE ATTORNEY ASSIGNED

Mar 22, 2024

TEAS AMENDMENT ENTERED BEFORE ATTORNEY ASSIGNED

NEW APPLICATION ENTERED

Mar 20, 2024

NEW APPLICATION ENTERED

KEYSTONE

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