Who owns the C-TEF trademark?

The C-TEF trademark is owned by IMI CRITICAL ENGR PBM LLC.

What class is the C-TEF trademark registered in?

The C-TEF trademark is registered in Class 006 (Common metals, their alloys & metal goods).

What is the serial number for C-TEF?

The USPTO serial number for C-TEF is 88005585.

What is the registration number for C-TEF?

C-TEF is registered under USPTO registration number 5711700.

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Home Search: C-TEFC-TEF #88005585

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Updated Oct 14, 2026·27 searches this week

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CTE

USPTO Trademark Record

REGISTERED

C-TEF

SN 88005585·Reg 5711700·Filed Jun 19, 2018

Owner IMI CRITICAL ENGR PBM LLC

Common metals and their alloys, ores; metal materials for building and construction; transportable buildings of metal; non-electric cables and wires of common metal; small items of metal hardware; metal containers for storage or transport; safes.

C-TEF (Serial No. 88005585), Registration No. 5711700, is a registered US trademark filed on Jun 19, 2018 by IMI CRITICAL ENGR PBM LLC. This trademark covers Class 006 (Common metals, their alloys & metal goods).

Section 8/9 declaration window: March 26, 2029

Mark Intelligence

C-TEF (Reg. #5711700) is a registered US trademark that has been protecting its owner, IMI CRITICAL ENGR PBM LLC, since 2018. The mark covers Class 006 (Common metals, their alloys & metal goods). Goods and services include Common metals and their alloys, ores; metal materials for building and construction; transportable buildings of metal; n.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jun 19, 2018

SERIAL

88005585

REG#

5711700

REGISTERED

Mar 26, 2019

Filing Information

StatusREGISTERED

Filing DateJun 19, 2018

Serial Number88005585

Registration No.5711700

Registration DateMar 26, 2019

Status DateFeb 10, 2026

Published for OppositionNov 06, 2018

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlySection 8 AcceptedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 006Common metals, their alloys & metal goods

US codes: 002, 012, 013, 014, 023, 025, 050

First use anywhere: Mar 09, 2018

First use in commerce: Mar 09, 2018

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

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Status History

21 events

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Feb 10, 2026

REGISTERED - SEC. 8 (6-YR) ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Feb 10, 2026

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Feb 09, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 RECEIVED

Sep 26, 2025

TEAS SECTION 8 RECEIVED

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

Mar 26, 2024

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

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Nov 09, 2022

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

REGISTERED-PRINCIPAL REGISTER

Mar 26, 2019

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Feb 22, 2019

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Feb 21, 2019

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Feb 06, 2019

CASE ASSIGNED TO INTENT TO USE PARALEGAL

STATEMENT OF USE PROCESSING COMPLETE

Feb 06, 2019

STATEMENT OF USE PROCESSING COMPLETE

USE AMENDMENT FILED

Jan 10, 2019

USE AMENDMENT FILED

TEAS STATEMENT OF USE RECEIVED

Jan 10, 2019

TEAS STATEMENT OF USE RECEIVED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Jan 01, 2019

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Nov 06, 2018

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Nov 06, 2018

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 17, 2018

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Sep 27, 2018

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 27, 2018

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 23, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jun 22, 2018

NEW APPLICATION ENTERED

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