Who owns the DEF CON trademark?

The DEF CON trademark is owned by Def Con Communications, Inc..

What is the serial number for DEF CON?

The USPTO serial number for DEF CON is 98484808.

What is the registration number for DEF CON?

DEF CON is registered under USPTO registration number 0.

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Home Search: DEF CONDEF CON #98484808

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Updated Sep 20, 2026·36 searches this week

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DEF

USPTO Trademark Record

PENDING

DEF CON

Q: What class is the DEF CON trademark registered in?

The DEF CON trademark is registered in Class 041 (Education & entertainment services), Class 042 (Scientific, technology & SaaS services).

SN 98484808·Reg 0·Filed Apr 04, 2024

Owner Def Con Communications, Inc.

Education; providing of training; entertainment; sporting and cultural activities.; 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.

DEF CON (Serial No. 98484808), Registration No. 0, is a pending US trademark filed on Apr 04, 2024 by Def Con Communications, Inc.. This trademark covers Class 041 (Education & entertainment services), Class 042 (Scientific, technology & SaaS services).

Conflict Analysis

Full conflict analysis for DEF CON (SN 98484808) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

DEF CON (Reg. #0) is a pending US trademark that was filed in 2024 and is currently under USPTO examination. The mark covers Class 041 (Education & entertainment services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Education; providing of training; entertainment; sporting and cultural activities.; Scientific and technological service.... The mark faced 1 opposition proceeding during prosecution.

FILED

Apr 04, 2024

SERIAL

98484808

REG#

REGISTERED

Dec 31, 1969

Filing Information

StatusPENDING

Filing DateApr 04, 2024

Serial Number98484808

Registration No.0

Registration DateDec 31, 1969

Status DateJun 22, 2026

Published for OppositionJan 07, 2025

Filing Basis & Declarations

Standard Characters Claimed

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 041Education & entertainment services

US codes: 100, 101, 107

Education; providing of training; entertainment; sporting and cultural activities.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

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.

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Status History

37 events

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jun 23, 2026

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU EXTENSION 2 GRANTED

Jun 22, 2026

SOU EXTENSION 2 GRANTED

SOU TEAS EXTENSION RECEIVED

Feb 24, 2026

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 2 FILED

Feb 24, 2026

SOU EXTENSION 2 FILED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Dec 12, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

DIVISIONAL PROCESSING COMPLETE

Dec 11, 2025

DIVISIONAL PROCESSING COMPLETE

CORRECTED NOA E-MAILED

Dec 11, 2025

CORRECTED NOA E-MAILED

SOU EXTENSION 1 GRANTED

Dec 11, 2025

SOU EXTENSION 1 GRANTED

RESPONSE TO ITU OFFICE ACTION ENTERED

Nov 26, 2025

RESPONSE TO ITU OFFICE ACTION ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Nov 26, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Nov 25, 2025

CASE ASSIGNED TO INTENT TO USE PARALEGAL

ITU OFFICE ACTION ISSUED FOR DIVISIONAL REQUEST

Nov 25, 2025

ITU OFFICE ACTION ISSUED FOR DIVISIONAL REQUEST

SOU TEAS EXTENSION RECEIVED

Aug 28, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

Aug 28, 2025

SOU EXTENSION 1 FILED

DIVISIONAL REQUEST RECEIVED

May 01, 2025

DIVISIONAL REQUEST RECEIVED

TEAS REQUEST TO DIVIDE RECEIVED

May 01, 2025

TEAS REQUEST TO DIVIDE RECEIVED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Mar 04, 2025

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Jan 07, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 07, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 01, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 13, 2024

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Dec 12, 2024

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Dec 12, 2024

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Dec 12, 2024

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Dec 11, 2024

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Dec 11, 2024

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Dec 11, 2024

NOTIFICATION OF NON-FINAL ACTION E-MAILED

PREVIOUS ALLOWANCE COUNT WITHDRAWN

Dec 10, 2024

PREVIOUS ALLOWANCE COUNT WITHDRAWN

WITHDRAWN FROM PUB - OG REVIEW QUERY

Nov 19, 2024

WITHDRAWN FROM PUB - OG REVIEW QUERY

EXAMINERS AMENDMENT -WRITTEN

Oct 19, 2024

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Oct 19, 2024

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Oct 19, 2024

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Oct 19, 2024

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 19, 2024

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Oct 18, 2024

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

Apr 04, 2024

NEW APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Apr 04, 2024

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

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