Who owns the HF PLUS trademark?

The HF PLUS trademark is owned by DHD AG CORPORATION.

What class is the HF PLUS trademark registered in?

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

What is the serial number for HF PLUS?

The USPTO serial number for HF PLUS is 99151510.

What is the registration number for HF PLUS?

HF PLUS is registered under USPTO registration number 8156808.

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Updated Nov 2, 2026·20 searches this week

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Section 8 declaration window

March 03, 2032

1947 days remaining

HFP

HF PLUS

REGISTERED

Serial: 99151510
Reg: 8156808
Filed: Apr 23, 2025
Owner: DHD AG CORPORATION

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: Jan 02, 2023

First use in commerce: Jan 02, 2023

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

Status History

28 events

REGISTERED-PRINCIPAL REGISTER

Mar 03, 2026

Code R.PR

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Mar 03, 2026

Code NRCC

PUBLISHED FOR OPPOSITION

Jan 13, 2026

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 13, 2026

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 07, 2026

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 16, 2025

Code CNSA

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Dec 10, 2025

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Dec 10, 2025

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

Dec 10, 2025

Code TEME

NON-FINAL ACTION WRITTEN

Dec 09, 2025

Code CNRT

NON-FINAL ACTION E-MAILED

Dec 09, 2025

Code GNRT

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Dec 09, 2025

Code GNRN

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Nov 10, 2025

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Nov 10, 2025

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

Nov 10, 2025

Code TEME

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Nov 07, 2025

Code COAR

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Nov 07, 2025

Code CHAN

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

Nov 07, 2025

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 07, 2025

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 07, 2025

Code TCCA

NON-FINAL ACTION WRITTEN

Sep 17, 2025

Code CNRT

NON-FINAL ACTION E-MAILED

Sep 17, 2025

Code GNRT

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Sep 17, 2025

Code GNRN

ASSIGNED TO EXAMINER

Sep 15, 2025

Code DOCK

ASSIGNED TO EXAMINER

Sep 11, 2025

Code DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 30, 2025

Code NWOS

NEW APPLICATION ENTERED

Apr 23, 2025

Code NWAP

APPLICATION FILING RECEIPT MAILED

Apr 23, 2025

Code MAFR

HF PLUS

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