Who owns the TENAX trademark?

The TENAX trademark is owned by BUCHEM B.V..

What class is the TENAX trademark registered in?

The TENAX trademark is registered in Class 001 (Chemicals for industrial, scientific & agricultural use), Class 009 (Electronics, software & scientific instruments), Class 011 (Lighting, heating, cooling & sanitary apparatus).

What is the serial number for TENAX?

The USPTO serial number for TENAX is 79177700.

What is the registration number for TENAX?

TENAX is registered under USPTO registration number 5106990.

TENAX - Owned by BUCHEM B.V. - (Class 001, Class 009, Class 011)

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 009Electronics, software & scientific instruments

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

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.

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.

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

Filing Basis & Declarations

Section 15 AcknowledgedTrademark

Status History

38 events

COURTESY REMINDER - SEC. 71 (10-YR) E-MAILED

Dec 27, 2025

Code REM4

INTERNATIONAL REGISTRATION RENEWED

Feb 20, 2025

Code RNWL

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 10, 2023

Code APRE

REGISTERED - SEC. 71 ACCEPTED & SEC. 15 ACK.

Jul 10, 2023

Code C75A

NOTICE OF ACCEPTANCE OF SEC. 71 & 15 - E-MAILED

Jul 10, 2023

Code NA75

TEAS SECTION 71 & 15 RECEIVED

Dec 20, 2022

Code ES75

NEW REPRESENTATIVE AT IB RECEIVED

Aug 19, 2021

Code NREP

FINAL DECISION TRANSACTION PROCESSED BY IB

Apr 14, 2017

Code FINO

FINAL DISPOSITION PROCESSED

Mar 28, 2017

Code FIMP

FINAL DISPOSITION NOTICE SENT TO IB

Mar 28, 2017

Code FICS

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Mar 27, 2017

Code FICR

REGISTERED-PRINCIPAL REGISTER

Dec 27, 2016

Code R.PR

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

Nov 21, 2016

Code ETOP

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

Oct 12, 2016

Code OPNX

EXTENSION OF TIME TO OPPOSE RECEIVED

Sep 29, 2016

Code ETOF

PUBLISHED FOR OPPOSITION

Sep 06, 2016

Code PUBO

NOTICE OF PUBLICATION

Aug 17, 2016

Code NPUB

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

Aug 17, 2016

Code OP2R

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Aug 17, 2016

Code OPNS

LAW OFFICE PUBLICATION REVIEW COMPLETED

Aug 03, 2016

Code PREV

EXAMINERS AMENDMENT MAILED

Aug 02, 2016

Code CNEA

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 02, 2016

Code CNSA

EXAMINERS AMENDMENT -WRITTEN

Aug 01, 2016

Code CNEA

EXAMINER'S AMENDMENT ENTERED

Aug 01, 2016

Code XAEC

ASSIGNED TO LIE

Jul 14, 2016

Code ALIE

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jul 14, 2016

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

Jul 14, 2016

Code TEME

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jul 08, 2016

Code TROA

REFUSAL PROCESSED BY IB

Feb 20, 2016

Code RFNT

REFUSAL PROCESSED BY MPU

Feb 01, 2016

Code RFRR

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Feb 01, 2016

Code RFCS

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Jan 29, 2016

Code RFCR

NON-FINAL ACTION WRITTEN

Jan 28, 2016

Code CNRT

ASSIGNED TO EXAMINER

Jan 27, 2016

Code DOCK

NEW REPRESENTATIVE AT IB RECEIVED

Jan 21, 2016

Code NREP

APPLICATION FILING RECEIPT MAILED

Dec 11, 2015

Code MAFR

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 07, 2015

Code NWOS

SN ASSIGNED FOR SECT 66A SUBSEQ DESIG FROM IB

Dec 03, 2015

Code SDRC

Other Marks by BUCHEM B.V.

Additional USPTO filings from the same owner.

TEN

TENAX

79401212

Buchem B.V.

REGISTERED

RMC

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79345075

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REGISTERED

RES

RESEACHEM

79342971

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REGISTERED

BUC

BUCHEM BV

79338646

Buchem B.V.

REGISTERED

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TENAX

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks by BUCHEM B.V.

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

Other Marks by Todd A. Sullivan

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