Who owns the KEYSTONE trademark?

The KEYSTONE trademark is owned by Corelation, Inc..

What class is the KEYSTONE trademark registered in?

The KEYSTONE trademark is registered in Class 009 (Electronics, software & scientific instruments).

What is the serial number for KEYSTONE?

The USPTO serial number for KEYSTONE is 87878853.

What is the registration number for KEYSTONE?

KEYSTONE is registered under USPTO registration number 6024708.

KEY

USPTO Trademark Record

REGISTERED

KEYSTONE

SN 87878853·Reg 6024708·Filed Apr 16, 2018

Owner Corelation, Inc.

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.

KEYSTONE (Serial No. 87878853), Registration No. 6024708, is a registered US trademark filed on Apr 16, 2018 by Corelation, Inc.. This trademark covers Class 009 (Electronics, software & scientific instruments).

Section 8/9 declaration window: April 01, 2030

Mark Intelligence

KEYSTONE (Reg. #6024708) is a registered US trademark that has been protecting its owner, Corelation, Inc., since 2018. The mark covers Class 009 (Electronics, software & scientific instruments). Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Apr 16, 2018

SERIAL

87878853

REG#

6024708

REGISTERED

Mar 31, 2020

Owner

Applicant

Corelation, Inc.

Entity

Corporation

State

Address

2305 Historic Decatur Road, STE 300, San Diego, CA, 92106

Country

Attorney

NameMarina F. Cunningham

Law firm

Marina F. Cunningham MCCORMICK, PAULDING & HUBER PLLC

Docket

8576-0006

Address

185 ASYLUM STREET, CityPlace II, Fl. 18, HARTFORD, CT 06103, United States

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Filing Information

StatusREGISTERED

Filing DateApr 16, 2018

Serial Number87878853

Registration No.6024708

Registration DateMar 31, 2020

Status DateOct 21, 2025

Published for OppositionSep 18, 2018

Next RenewalApril 01, 2030

Mark TypeStandard characters

Attorney Docket8576-0006

Status DescriptionLive and registered, Section 8 and 15 accepted

Filing Signals

FILED

2018

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 06, 2009

First use in commerce: Nov 06, 2009

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

Status History

38 events

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Oct 21, 2025

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Oct 21, 2025

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Oct 20, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 15 RECEIVED

Jun 18, 2025

TEAS SECTION 8 & 15 RECEIVED

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

Mar 31, 2025

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

REGISTERED-PRINCIPAL REGISTER

Mar 31, 2020

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Feb 27, 2020

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Feb 26, 2020

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Feb 05, 2020

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Feb 05, 2020

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO LIE

Feb 04, 2020

ASSIGNED TO LIE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jan 31, 2020

TEAS RESPONSE TO OFFICE ACTION RECEIVED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Nov 19, 2019

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

NON-FINAL ACTION E-MAILED

Nov 18, 2019

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Nov 18, 2019

NOTIFICATION OF NON-FINAL ACTION E-MAILED

SU - NON-FINAL ACTION - WRITTEN

Nov 18, 2019

SU - NON-FINAL ACTION - WRITTEN

STATEMENT OF USE PROCESSING COMPLETE

Nov 18, 2019

STATEMENT OF USE PROCESSING COMPLETE

SOU EXTENSION 2 GRANTED

Nov 18, 2019

SOU EXTENSION 2 GRANTED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Nov 18, 2019

CASE ASSIGNED TO INTENT TO USE PARALEGAL

SOU TEAS EXTENSION RECEIVED

Nov 13, 2019

SOU TEAS EXTENSION RECEIVED

USE AMENDMENT FILED

Nov 13, 2019

USE AMENDMENT FILED

TEAS STATEMENT OF USE RECEIVED

Nov 13, 2019

TEAS STATEMENT OF USE RECEIVED

SOU EXTENSION 2 FILED

Nov 13, 2019

SOU EXTENSION 2 FILED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

May 14, 2019

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

May 10, 2019

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

May 10, 2019

SOU EXTENSION 1 FILED

SOU EXTENSION 1 GRANTED

May 10, 2019

SOU EXTENSION 1 GRANTED

POST PUBLICATION AMENDMENT - ENTERED

Nov 14, 2018

POST PUBLICATION AMENDMENT - ENTERED

ASSIGNED TO PETITION STAFF

Nov 14, 2018

ASSIGNED TO PETITION STAFF

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Nov 13, 2018

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

TEAS POST PUBLICATION AMENDMENT RECEIVED

Oct 19, 2018

TEAS POST PUBLICATION AMENDMENT RECEIVED

PUBLISHED FOR OPPOSITION

Sep 18, 2018

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Sep 18, 2018

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 29, 2018

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 10, 2018

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Aug 03, 2018

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Apr 24, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Apr 19, 2018

NEW APPLICATION ENTERED

KEYSTONE

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