Who owns the CASTELLUM trademark?

The CASTELLUM trademark is owned by Castellum, Inc..

What is the serial number for CASTELLUM?

The USPTO serial number for CASTELLUM is 88752271.

What is the registration number for CASTELLUM?

CASTELLUM is registered under USPTO registration number 6176682.

Sealvo

Home Search: CASTELLUMCASTELLUM #88752271

Back

Updated Oct 9, 2026·38 searches this week

View on USPTO TSDR Find similar marks

CAS

USPTO Trademark Record

REGISTERED

CASTELLUM

Q: What class is the CASTELLUM trademark registered in?

The CASTELLUM trademark is registered in Class 035 (Advertising, business management & retail services), Class 036 (Insurance, financial & real estate services).

SN 88752271·Reg 6176682·Filed Jan 09, 2020

Owner Castellum, Inc.

Advertising; business management, organization and administration; office functions.; Financial, monetary and banking services; insurance services; real estate services.

CASTELLUM (Serial No. 88752271), Registration No. 6176682, is a registered US trademark filed on Jan 09, 2020 by Castellum, Inc.. This trademark covers Class 035 (Advertising, business management & retail services), Class 036 (Insurance, financial & real estate services).

Section 8/9 declaration window: October 14, 2030

Mark Intelligence

CASTELLUM (Reg. #6176682) is a registered US trademark that has been protecting its owner, Castellum, Inc., since 2020. The mark covers Class 035 (Advertising, business management & retail services) and Class 036 (Insurance, financial & real estate services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Financial, monetary and banking se.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jan 09, 2020

SERIAL

88752271

REG#

6176682

REGISTERED

Oct 13, 2020

Filing Information

StatusREGISTERED

Filing DateJan 09, 2020

Serial Number88752271

Registration No.6176682

Registration DateOct 13, 2020

Status DateJan 22, 2026

Published for OppositionJun 16, 2020

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Feb 24, 2020

First use in commerce: Feb 24, 2020

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

Class 036Insurance, financial & real estate services

US codes: 100, 101, 102

First use anywhere: Feb 24, 2020

First use in commerce: Feb 24, 2020

Financial, monetary and banking services; insurance services; real estate services.

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

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

42 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 22, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jan 22, 2026

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

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

Jan 22, 2026

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

TEAS SECTION 8 & 15 RECEIVED

Oct 17, 2025

TEAS SECTION 8 & 15 RECEIVED

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

Oct 13, 2025

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

REGISTERED-PRINCIPAL REGISTER

Oct 13, 2020

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Sep 08, 2020

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

STATEMENT OF USE PROCESSING COMPLETE

Sep 05, 2020

STATEMENT OF USE PROCESSING COMPLETE

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Sep 05, 2020

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Sep 04, 2020

CASE ASSIGNED TO INTENT TO USE PARALEGAL

USE AMENDMENT FILED

Aug 20, 2020

USE AMENDMENT FILED

TEAS STATEMENT OF USE RECEIVED

Aug 20, 2020

TEAS STATEMENT OF USE RECEIVED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Aug 11, 2020

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Jun 16, 2020

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 16, 2020

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 27, 2020

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT E-MAILED

May 14, 2020

EXAMINERS AMENDMENT E-MAILED

EXAMINERS AMENDMENT -WRITTEN

May 14, 2020

EXAMINERS AMENDMENT -WRITTEN

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

May 14, 2020

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

May 14, 2020

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 14, 2020

APPROVED FOR PUB - PRINCIPAL REGISTER

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 14, 2020

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

May 14, 2020

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO LIE

May 13, 2020

ASSIGNED TO LIE

May 12, 2020

ASSIGNED TO LIE

TEAS CHANGE OF OWNER ADDRESS RECEIVED

May 07, 2020

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

May 07, 2020

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 07, 2020

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

May 07, 2020

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

May 07, 2020

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

May 07, 2020

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS/EMAIL CORRESPONDENCE ENTERED

Apr 30, 2020

TEAS/EMAIL CORRESPONDENCE ENTERED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Apr 30, 2020

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Apr 30, 2020

TEAS RESPONSE TO OFFICE ACTION RECEIVED

NON-FINAL ACTION WRITTEN

Mar 29, 2020

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Mar 29, 2020

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Mar 29, 2020

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Mar 28, 2020

ASSIGNED TO EXAMINER

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

Feb 05, 2020

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 05, 2020

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

NEW APPLICATION ENTERED

Jan 13, 2020

NEW APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 13, 2020

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Other Marks by Castellum, Inc.

Additional USPTO filings from the same owner.

LOG

LogoMark

90129031

Castellum, Inc.

ABANDONED

CAS

CASTELLUM

78161745

Castellum, Inc.

ABANDONED

Other Marks in Class 035 — Advertising, business management & retail services

Recently filed and registered marks in the same international class.

CAS

CASTELLUM

98035037

Inversiones Centro Americanas, Sociedad Anónima

REGISTERED

CASTELLUM

Run a conflict check

Other Marks by Castellum, Inc.

Other Marks in Class 035 — Advertising, business management & retail services

Get pre-filing clearance

Search 14M+ trademarks

Resources

Company