Who owns the GROTEK trademark?

The GROTEK trademark is owned by HYDROFARM, LLC.

What class is the GROTEK trademark registered in?

The GROTEK trademark is registered in Class 001 (Chemicals for industrial, scientific & agricultural use), Class 011 (Lighting, heating, cooling & sanitary apparatus), Class 017 (Rubber, plastics & insulating materials).

What is the serial number for GROTEK?

The USPTO serial number for GROTEK is 76605482.

What is the registration number for GROTEK?

GROTEK is registered under USPTO registration number 3031234.

GROTEK - Owned by HYDROFARM, LLC - (Class 001, Class 011, Class 017)

What to file next

Section 9 renewal, filed with a Section 8 declaration

When: Due between the ninth and tenth anniversary of registration, then before each tenth anniversary after that.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed renewal cancels the registration, and there is no revival route for it.

How Section 9 renewal 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

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.

Class 011Lighting, heating, cooling & sanitary apparatus

US codes: 013, 021, 023, 031, 034

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

Class 017Rubber, plastics & insulating materials

US codes: 001, 005, 012, 013, 035, 050

Unprocessed and semi-processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials; plastics and resins in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, tubes and hoses, not of metal.

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

Filing Basis & Declarations

Standard Characters ClaimedSection 8 AcceptedSection 15 AcknowledgedTrademark

Status History

48 events

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

May 18, 2026

Code ASCK

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Nov 01, 2025

Code APRE

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

Nov 01, 2025

Code 89AG

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Nov 01, 2025

Code RNL2

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

Nov 01, 2025

Code NA89

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jul 14, 2025

Code COAR

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jul 14, 2025

Code CHAN

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

Jul 14, 2025

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 14, 2025

Code ARAA

TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED

Jul 14, 2025

Code EWOR

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 14, 2025

Code TCCA

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Jul 14, 2025

Code EWAF

TEAS SECTION 8 & 9 RECEIVED

Jul 14, 2025

Code E89R

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

Dec 20, 2024

Code REM2

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Oct 30, 2024

Code ASCK

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Mar 27, 2024

Code ASGN

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Sep 22, 2021

Code ASGN

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

Nov 14, 2015

Code 89AG

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Nov 14, 2015

Code RNL1

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

Nov 14, 2015

Code NA89

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Nov 13, 2015

Code APRE

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 30, 2015

Code TCCA

TEAS SECTION 8 & 9 RECEIVED

Sep 30, 2015

Code E89R

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - MAILED

Nov 15, 2011

Code NA85

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

Nov 14, 2011

Code C15P

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

Nov 14, 2011

Code NA85

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - MAILED

Nov 08, 2011

Code NA85

POST REGISTRATION ACTION CORRECTION

Nov 07, 2011

Code XXXX

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

Nov 07, 2011

Code NA85

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Oct 10, 2011

Code APRE

TEAS SECTION 8 & 15 RECEIVED

Sep 22, 2011

Code E815

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

Sep 22, 2011

Code 815F

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

Oct 07, 2009

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 07, 2009

Code ARAA

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Oct 24, 2007

Code ASGN

REGISTERED-PRINCIPAL REGISTER

Dec 20, 2005

Code R.PR

PUBLISHED FOR OPPOSITION

Sep 27, 2005

Code PUBO

NOTICE OF PUBLICATION

Sep 07, 2005

Code NPUB

LAW OFFICE PUBLICATION REVIEW COMPLETED

Jun 15, 2005

Code PREV

ASSIGNED TO LIE

Jun 10, 2005

Code ALIE

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 08, 2005

Code CNSA

TEAS/EMAIL CORRESPONDENCE ENTERED

May 17, 2005

Code TEME

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 06, 2005

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 06, 2005

Code CRFA

NON-FINAL ACTION WRITTEN

Mar 22, 2005

Code CNRT

NON-FINAL ACTION MAILED

Mar 22, 2005

Code CNRT

ASSIGNED TO EXAMINER

Mar 08, 2005

Code DOCK

NEW APPLICATION ENTERED

Aug 14, 2004

Code NWAP

Other Marks by HYDROFARM, LLC

Additional USPTO filings from the same owner.

AGR

AGROBRITE

78495648

HYDROFARM, LLC

REGISTERED

GAI

GAIA GREEN

88320378

HYDROFARM, LLC

REGISTERED

PAR

PARSOURCE

78524364

HYDROFARM, LLC

REGISTERED

SUP

SUPERGREEN

98409290

Hydrofarm, LLC

REGISTERED

Other Marks in Class 001 — Chemicals for industrial, scientific & agricultural use

Recently filed and registered marks in the same international class.

GRO

GROTEK PRECISION

87701813

HYDROFARM, LLC

REGISTERED

GRO

GROTEK VITAL

87699421

HYDROFARM, LLC

REGISTERED

GRO

GROTEK CORE

87699476

HYDROFARM, LLC

REGISTERED

Other Marks by Melissa LaBauve

Additional USPTO filings handled by the same attorney of record.

FIG

FIGHTING FINNS

98806216

REGISTERED

98806221

REGISTERED

MIL

MILLS BY MILLIE BOBBY BROWN

79433683

REGISTERED

AFF

AFFIRMED

86295756

REGISTERED

GROTEK

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks by HYDROFARM, LLC

Other Marks in Class 001 — Chemicals for industrial, scientific & agricultural use

Other Marks by Melissa LaBauve

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