Who owns the SISYFLY trademark?

The SISYFLY trademark is owned by Sisyfly LLC.

What class is the SISYFLY trademark registered in?

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

What is the serial number for SISYFLY?

The USPTO serial number for SISYFLY is 99187448.

What is the registration number for SISYFLY?

SISYFLY is registered under USPTO registration number 8192219.

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Home Search: SISYFLYSISYFLY #99187448

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Updated Sep 29, 2026·10 searches this week

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SIS

USPTO Trademark Record

REGISTERED

SISYFLY

SN 99187448·Reg 8192219·Filed May 15, 2025

Owner Sisyfly LLC

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

SISYFLY (Serial No. 99187448), Registration No. 8192219, is a registered US trademark filed on May 15, 2025 by Sisyfly LLC. This trademark covers Class 041 (Education & entertainment services).

early section 8: March 31, 2032

Conflict Analysis

Full conflict analysis for SISYFLY (SN 99187448) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

SISYFLY (Reg. #8192219) is a registered US trademark that has been protecting its owner, Sisyfly 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

May 15, 2025

SERIAL

99187448

REG#

8192219

REGISTERED

Mar 31, 2026

Filing Information

StatusREGISTERED

Filing DateMay 15, 2025

Serial Number99187448

Registration No.8192219

Registration DateMar 31, 2026

Status DateMar 31, 2026

Published for OppositionFeb 10, 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: Jan 01, 2020

First use in commerce: Jan 01, 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

25 events

REGISTERED-PRINCIPAL REGISTER

Mar 31, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Mar 31, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Feb 10, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Feb 10, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Feb 04, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jan 13, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jan 12, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jan 12, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jan 12, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

PREVIOUS ALLOWANCE COUNT WITHDRAWN

Nov 25, 2025

PREVIOUS ALLOWANCE COUNT WITHDRAWN

NON-FINAL ACTION WRITTEN

Nov 25, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Nov 25, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Nov 25, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

WITHDRAWN FROM PUB - OG REVIEW QUERY

Nov 11, 2025

WITHDRAWN FROM PUB - OG REVIEW QUERY

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 16, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Oct 06, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 06, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 06, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Oct 01, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Oct 01, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Oct 01, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Sep 29, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 24, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

May 15, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

May 15, 2025

APPLICATION FILING RECEIPT MAILED

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