Who owns the DEFCON trademark?

The DEFCON trademark is owned by Introversion Software Limited.

What is the serial number for DEFCON?

The USPTO serial number for DEFCON is 85879700.

What is the registration number for DEFCON?

DEFCON is registered under USPTO registration number 4718780.

DEF

USPTO Trademark Record

REGISTERED

DEFCON

Q: What class is the DEFCON trademark registered in?

The DEFCON trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 041 (Education & entertainment services).

SN 85879700·Reg 4718780·Filed Mar 19, 2013

Owner Introversion Software Limited

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

DEFCON (Serial No. 85879700), Registration No. 4718780, is a registered US trademark filed on Mar 19, 2013 by Introversion Software Limited. This trademark covers Class 009 (Electronics, software & scientific instruments), Class 041 (Education & entertainment services).

Section 8/9 declaration window: April 16, 2035

Mark Intelligence

DEFCON (Reg. #4718780) is a registered US trademark that has been protecting its owner, Introversion Software Limited, since 2013. The mark covers Class 009 (Electronics, software & scientific instruments) and Class 041 (Education & entertainment services) respectively. Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 4 opposition proceedings during prosecution.

FILED

Mar 19, 2013

SERIAL

85879700

REG#

4718780

REGISTERED

Apr 14, 2015

Owner

Applicant

Introversion Software Limited

Entity

Corporation

Address

Winchester House, 36 Winchester Road, Walton-On-Thames, KT122RH

Country

Attorney

NameSteven Mancinelli

Law firm

Steven Mancinelli MANCINELLI & ASSOCIATES, PC

Docket

1344-054-T

Address

PO Box 158, Mount Tremper, NY 12457, United States

Get pre-filing clearance

AI attorney analyzes your proposed mark against USPTO — Go/No-Go verdict, class-by-class risks, and strategy recommendations.

Run clearance

Filing Information

StatusREGISTERED

Filing DateMar 19, 2013

Serial Number85879700

Registration No.4718780

Registration DateApr 14, 2015

Status DateAug 12, 2025

Published for OppositionMay 06, 2014

Next RenewalApril 16, 2035

Mark TypeStandard characters

Attorney Docket1344-054-T

Status DescriptionLive and registered, renewed

Filing Signals

FILED

2013

YEARS AGO

13y

CLASSES

MADRID FILINGS

—

Opposed 4× during prosecution

Search 15M+ trademarks

Free USPTO lookups by name, owner, or serial number. No account needed.

Search now

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

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

Class 041Education & entertainment services

US codes: 100, 101, 107

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

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

Status History

51 events

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

Aug 12, 2025

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Aug 12, 2025

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Aug 12, 2025

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 11, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Mar 26, 2025

TEAS SECTION 8 & 9 RECEIVED

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

Apr 14, 2024

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 29, 2021

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jul 29, 2021

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

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

Jul 29, 2021

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

TEAS SECTION 8 & 15 RECEIVED

Mar 28, 2021

TEAS SECTION 8 & 15 RECEIVED

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

Apr 14, 2020

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

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 27, 2018

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

Apr 14, 2015

REGISTERED-PRINCIPAL REGISTER

OPPOSITION DISMISSED NO. 999999

Mar 05, 2015

OPPOSITION DISMISSED NO. 999999

OPPOSITION TERMINATED NO. 999999

Mar 05, 2015

OPPOSITION TERMINATED NO. 999999

TTAB RELEASE CASE TO TRADEMARKS

Mar 05, 2015

TTAB RELEASE CASE TO TRADEMARKS

OPPOSITION INSTITUTED NO. 999999

Sep 03, 2014

OPPOSITION INSTITUTED NO. 999999

EXTENSION OF TIME TO OPPOSE RECEIVED

Jun 04, 2014

EXTENSION OF TIME TO OPPOSE RECEIVED

PUBLISHED FOR OPPOSITION

May 06, 2014

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

May 06, 2014

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 16, 2014

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

WITHDRAWN FROM PUB - EXAMINING ATTORNEY REQUEST

Mar 31, 2014

WITHDRAWN FROM PUB - EXAMINING ATTORNEY REQUEST

EXAMINERS AMENDMENT -WRITTEN

Mar 18, 2014

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Mar 18, 2014

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Mar 18, 2014

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Mar 18, 2014

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 18, 2014

APPROVED FOR PUB - PRINCIPAL REGISTER

LAW OFFICE PUBLICATION REVIEW COMPLETED

Mar 18, 2014

LAW OFFICE PUBLICATION REVIEW COMPLETED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Mar 17, 2014

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Mar 17, 2014

TEAS/EMAIL CORRESPONDENCE ENTERED

EXAMINERS AMENDMENT -WRITTEN

Mar 10, 2014

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Mar 10, 2014

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Mar 10, 2014

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Mar 10, 2014

EXAMINER'S AMENDMENT ENTERED

SUSPENSION LETTER WRITTEN

Mar 10, 2014

SUSPENSION LETTER WRITTEN

LETTER OF SUSPENSION E-MAILED

Mar 10, 2014

LETTER OF SUSPENSION E-MAILED

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

Mar 10, 2014

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED

Mar 10, 2014

TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED

SUSPENSION LETTER WRITTEN

Mar 07, 2014

SUSPENSION LETTER WRITTEN

LETTER OF SUSPENSION E-MAILED

Mar 07, 2014

LETTER OF SUSPENSION E-MAILED

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

Mar 07, 2014

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Dec 30, 2013

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Dec 30, 2013

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO LIE

Dec 27, 2013

ASSIGNED TO LIE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Dec 03, 2013

TEAS RESPONSE TO OFFICE ACTION RECEIVED

NON-FINAL ACTION WRITTEN

Jun 29, 2013

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jun 29, 2013

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jun 29, 2013

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jun 26, 2013

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

Mar 22, 2013

NEW APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 22, 2013

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

DEFCON

Get pre-filing clearance

Search 15M+ trademarks

Run a conflict check

Other Marks by Introversion Software Limited

Other Marks in Class 009 — Electronics, software & scientific instruments

Other Marks by Steven Mancinelli

Resources

Company