Who owns the E² trademark?

The E² trademark is owned by LUNOS Lüftungstechnik GmbH & Co. KG für Raumluftsysteme.

What class is the E² trademark registered in?

The E² trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 011 (Lighting, heating, cooling & sanitary apparatus), Class 037 (Construction, installation & repair services), Class 042 (Scientific, technology & SaaS services).

What is the serial number for E²?

The USPTO serial number for E² is 79386509.

What is the registration number for E²?

E² is registered under USPTO registration number 7895041.

E² - Owned by LUNOS Lüftungstechnik GmbH & Co. KG für Raumluftsysteme - (Class 009, Class 011, Class 037)

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 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, 024, 031, 034

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

Class 037Construction, installation & repair services

US codes: 100, 103, 106

Construction services; installation and repair services; mining extraction, oil and gas drilling.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

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

Filing Basis & Declarations

Trademark

Status History

34 events

PARTIAL INVALIDATION OF REG EXT PROTECTION CREATED

Jul 07, 2026

Code INPR

LIMITATION OF GOODS RECEIVED FROM IB

Dec 05, 2025

Code LIMG

NOTICE OF UPDATED REGISTRATION CONFIRMATION EMAILED

Dec 02, 2025

Code NURC

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Nov 19, 2025

Code FICR

CORRECTION UNDER SECTION 7 - PROCESSED

Nov 07, 2025

Code COC.

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Nov 03, 2025

Code APRE

TEAS SECTION 7 REQUEST RECEIVED

Aug 22, 2025

Code ES7R

REGISTERED-PRINCIPAL REGISTER

Aug 19, 2025

Code R.PR

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 19, 2025

Code NRCC

PUBLISHED FOR OPPOSITION

Jul 01, 2025

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 01, 2025

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 25, 2025

Code NONP

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

Jun 13, 2025

Code OPNX

APPROVED FOR PUB - PRINCIPAL REGISTER

May 28, 2025

Code CNSA

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

May 27, 2025

Code OPNR

TEAS REQUEST FOR RECONSIDERATION RECEIVED

May 27, 2025

Code ERFR

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 27, 2025

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

May 27, 2025

Code TEME

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

May 27, 2025

Code OPNS

FINAL REFUSAL WRITTEN

Dec 09, 2024

Code CNFR

FINAL REFUSAL E-MAILED

Dec 09, 2024

Code GNFR

NOTIFICATION OF FINAL REFUSAL EMAILED

Dec 09, 2024

Code GNFN

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Oct 29, 2024

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 29, 2024

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 29, 2024

Code TEME

REFUSAL PROCESSED BY IB

May 28, 2024

Code RFNT

REFUSAL PROCESSED BY MPU

May 03, 2024

Code RFRR

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

May 03, 2024

Code RFCS

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Apr 28, 2024

Code RFCR

NON-FINAL ACTION WRITTEN

Apr 27, 2024

Code CNRT

ASSIGNED TO EXAMINER

Apr 22, 2024

Code DOCK

APPLICATION FILING RECEIPT MAILED

Jan 02, 2024

Code MAFR

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 29, 2023

Code NWOS

SN ASSIGNED FOR SECT 66A APPL FROM IB

Dec 28, 2023

Code REPR

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E²

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks in Class 009 — Electronics, software & scientific instruments

Other Marks by Richard S. Stockton

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