Who owns the ANTISYPHON trademark?

The ANTISYPHON trademark is owned by Antisyphon, LLC.

What class is the ANTISYPHON trademark registered in?

The ANTISYPHON trademark is registered in Class 041 (Education & entertainment services).

What is the serial number for ANTISYPHON?

The USPTO serial number for ANTISYPHON is 99279278.

What is the registration number for ANTISYPHON?

ANTISYPHON is registered under USPTO registration number 8157583.

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Home Search: ANTISYPHONANTISYPHON #99279278

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Updated Oct 2, 2026·18 searches this week

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ANT

USPTO Trademark Record

REGISTERED

ANTISYPHON

SN 99279278·Reg 8157583·Filed Jul 11, 2025

Owner Antisyphon, LLC

Education; providing of training; entertainment; sporting and cultural activities.

ANTISYPHON (Serial No. 99279278), Registration No. 8157583, is a registered US trademark filed on Jul 11, 2025 by Antisyphon, LLC. This trademark covers Class 041 (Education & entertainment services).

early section 8: March 03, 2032

Conflict Analysis

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Mark Intelligence

ANTISYPHON (Reg. #8157583) is a registered US trademark that has been protecting its owner, Antisyphon, LLC, since 2025. The mark covers Class 041 (Education & entertainment services). Goods and services include Education; providing of training; entertainment; sporting and cultural activities.. The mark faced 1 opposition proceeding during prosecution.

FILED

Jul 11, 2025

SERIAL

99279278

REG#

8157583

REGISTERED

Mar 03, 2026

Filing Information

StatusREGISTERED

Filing DateJul 11, 2025

Serial Number99279278

Registration No.8157583

Registration DateMar 03, 2026

Status DateMar 03, 2026

Published for OppositionJan 13, 2026

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Dec 31, 2020

First use in commerce: Dec 31, 2020

Education; providing of training; entertainment; sporting and cultural activities.

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

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Status History

14 events

REGISTERED-PRINCIPAL REGISTER

Mar 03, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Mar 03, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jan 13, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 13, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 07, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Dec 12, 2025

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Dec 12, 2025

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Dec 12, 2025

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Dec 12, 2025

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 12, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Dec 01, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Nov 17, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jul 11, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Jul 11, 2025

APPLICATION FILING RECEIPT MAILED

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