Who owns the CASTLE LEARNING trademark?

The CASTLE LEARNING trademark is owned by Castle Software, Inc..

What class is the CASTLE LEARNING trademark registered in?

The CASTLE LEARNING trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for CASTLE LEARNING?

The USPTO serial number for CASTLE LEARNING is 77462611.

What is the registration number for CASTLE LEARNING?

CASTLE LEARNING is registered under USPTO registration number 3636508.

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USPTO Trademark Record

REGISTERED

CASTLE LEARNING

SN 77462611·Reg 3636508·Filed Apr 30, 2008

Owner Castle Software, Inc.

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.

CASTLE LEARNING (Serial No. 77462611), Registration No. 3636508, is a registered US trademark filed on Apr 30, 2008 by Castle Software, Inc.. This trademark covers Class 042 (Scientific, technology & SaaS services).

Section 8/9 declaration window: June 11, 2029

Mark Intelligence

CASTLE LEARNING (Reg. #3636508) is a registered US trademark that has been protecting its owner, Castle Software, Inc., since 2008. 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

Apr 30, 2008

SERIAL

77462611

REG#

3636508

REGISTERED

Jun 09, 2009

Filing Information

StatusREGISTERED

Filing DateApr 30, 2008

Serial Number77462611

Registration No.3636508

Registration DateJun 09, 2009

Status DateJul 19, 2019

Published for OppositionOct 07, 2008

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Mar 31, 2008

First use in commerce: Mar 31, 2008

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

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Status History

43 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jan 07, 2026

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jan 07, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Jan 07, 2026

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jan 07, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jan 07, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

Oct 23, 2021

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

WITHDRAWAL OF ATTORNEY GRANTED

Oct 23, 2021

WITHDRAWAL OF ATTORNEY GRANTED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Oct 21, 2021

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Oct 21, 2021

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 21, 2021

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Oct 21, 2021

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Oct 21, 2021

TEAS CHANGE OF OWNER ADDRESS RECEIVED

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Jul 19, 2019

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jul 19, 2019

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Jul 19, 2019

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 17, 2019

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Jun 10, 2019

TEAS SECTION 8 & 9 RECEIVED

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

Jun 09, 2018

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

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

Jun 18, 2015

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

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

Jun 18, 2015

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 17, 2015

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 15 RECEIVED

May 29, 2015

TEAS SECTION 8 & 15 RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Feb 20, 2012

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Feb 20, 2012

TEAS CHANGE OF OWNER ADDRESS RECEIVED

REGISTERED-PRINCIPAL REGISTER

Jun 09, 2009

REGISTERED-PRINCIPAL REGISTER

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

May 04, 2009

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

LAW OFFICE REGISTRATION REVIEW COMPLETED

May 04, 2009

LAW OFFICE REGISTRATION REVIEW COMPLETED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Apr 29, 2009

CASE ASSIGNED TO INTENT TO USE PARALEGAL

STATEMENT OF USE PROCESSING COMPLETE

Apr 29, 2009

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

Apr 18, 2009

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Apr 18, 2009

USE AMENDMENT FILED

NOA MAILED - SOU REQUIRED FROM APPLICANT

Dec 30, 2008

NOA MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Oct 07, 2008

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Sep 17, 2008

NOTICE OF PUBLICATION

LAW OFFICE PUBLICATION REVIEW COMPLETED

Aug 29, 2008

LAW OFFICE PUBLICATION REVIEW COMPLETED

ASSIGNED TO LIE

Aug 29, 2008

ASSIGNED TO LIE

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 20, 2008

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINERS AMENDMENT -WRITTEN

Aug 18, 2008

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Aug 18, 2008

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Aug 18, 2008

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Aug 18, 2008

EXAMINER'S AMENDMENT ENTERED

ASSIGNED TO EXAMINER

Aug 13, 2008

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

May 05, 2008

NEW APPLICATION ENTERED

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