Who owns the CHEMDEF trademark?

The CHEMDEF trademark is owned by Chemstream, Inc..

What class is the CHEMDEF trademark registered in?

The CHEMDEF trademark is registered in Class 001 (Chemicals for industrial, scientific & agricultural use).

What is the serial number for CHEMDEF?

The USPTO serial number for CHEMDEF is 98018698.

What is the registration number for CHEMDEF?

CHEMDEF is registered under USPTO registration number 7747739.

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Section 8 declaration window

April 01, 2031

1611 days remaining

CHE

CHEMDEF

REGISTERED

Serial: 98018698
Reg: 7747739
Filed: May 30, 2023
Owner: Chemstream, Inc.

Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; fire extinguishing and fire prevention compositions; tempering and soldering preparations; substances for tanning animal skins and hides; adhesives for use in industry; compost, manures, fertilizers; biological preparations for use in industry and science.

What to file next

Section 8 declaration of continued use

When: Due between the fifth and sixth anniversary of registration.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed Section 8 cancels the registration, and there is no revival route for it.

How the Section 8 deadline works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 001Chemicals for industrial, scientific & agricultural use

US codes: 001, 005, 006, 010, 026, 046

First use anywhere: Nov 01, 2024

First use in commerce: Nov 01, 2024

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

Status History

20 events

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

Dec 08, 2025

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Dec 08, 2025

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Dec 08, 2025

Code TCCA

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Dec 08, 2025

Code EWAF

REGISTERED-PRINCIPAL REGISTER

Apr 01, 2025

Code R.PR

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Apr 01, 2025

Code NRCC

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Mar 07, 2025

Code CNPR

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Mar 07, 2025

Code SUNA

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Feb 07, 2025

Code AITU

STATEMENT OF USE PROCESSING COMPLETE

Feb 06, 2025

Code SUPC

USE AMENDMENT FILED

Nov 25, 2024

Code IUAF

TEAS STATEMENT OF USE RECEIVED

Nov 25, 2024

Code EISU

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Jun 04, 2024

Code NOAM

PUBLISHED FOR OPPOSITION

Apr 09, 2024

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Apr 09, 2024

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 20, 2024

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 01, 2024

Code CNSA

ASSIGNED TO EXAMINER

Feb 21, 2024

Code DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 29, 2023

Code NWOS

NEW APPLICATION ENTERED

Jun 02, 2023

Code NWAP

CHEMDEF

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