Who owns the SEIFELDEN trademark?

The SEIFELDEN trademark is owned by Seifelden LLC.

What class is the SEIFELDEN trademark registered in?

The SEIFELDEN trademark is registered in Class 009 (Electronics, software & scientific instruments).

What is the serial number for SEIFELDEN?

The USPTO serial number for SEIFELDEN is 99466936.

What is the registration number for SEIFELDEN?

SEIFELDEN is registered under USPTO registration number 8272882.

SEI

USPTO Trademark Record

REGISTERED

SEIFELDEN

SN 99466936·Reg 8272882·Filed Oct 28, 2025

Owner Seifelden LLC

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.

SEIFELDEN (Serial No. 99466936), Registration No. 8272882, is a registered US trademark filed on Oct 28, 2025 by Seifelden LLC. This trademark covers Class 009 (Electronics, software & scientific instruments).

early section 8: May 26, 2032

Mark Intelligence

SEIFELDEN (Reg. #8272882) is a registered US trademark that has been protecting its owner, Seifelden LLC, since 2025. The mark covers Class 009 (Electronics, software & scientific instruments). Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Oct 28, 2025

SERIAL

99466936

REG#

8272882

REGISTERED

May 26, 2026

Owner

Applicant

Seifelden LLC

Entity

LLC

State

Address

3124 S Parker RD STE A2204, Aurora, CO, 80014

Country

Attorney

Law firm

Seifelden LLC

Address

3124 S Parker RD STE A2204, Aurora, CO 80014, United States

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Filing Information

StatusREGISTERED

Filing DateOct 28, 2025

Serial Number99466936

Registration No.8272882

Registration DateMay 26, 2026

Status DateMay 26, 2026

Published for OppositionApr 07, 2026

Mark TypeStandard characters

Status DescriptionLive and registered

Filing Signals

FILED

2025

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

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

First use anywhere: Jan 01, 2016

First use in commerce: Jan 01, 2016

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

Status History

18 events

REGISTERED-PRINCIPAL REGISTER

May 26, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 26, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 26, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 26, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Apr 07, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Apr 07, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 01, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Mar 13, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Mar 13, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Mar 13, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 13, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Mar 12, 2026

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Mar 12, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Mar 12, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Mar 12, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 11, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Oct 28, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Oct 28, 2025

APPLICATION FILING RECEIPT MAILED

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SEI

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ABANDONED

SEIFELDEN

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