Who owns the ENTROPY EFFECT trademark?

The ENTROPY EFFECT trademark is owned by Chengdu Gedou Technology Co., Ltd..

What class is the ENTROPY EFFECT trademark registered in?

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

What is the serial number for ENTROPY EFFECT?

The USPTO serial number for ENTROPY EFFECT is 99565571.

What is the registration number for ENTROPY EFFECT?

ENTROPY EFFECT is registered under USPTO registration number 8529143.

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Updated Nov 3, 2026·32 searches this week

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Section 8 declaration window

November 03, 2032

2191 days remaining

ENT

ENTROPY EFFECT

REGISTERED

Serial: 99565571
Reg: 8529143
Filed: Dec 24, 2025
Owner: Chengdu Gedou Technology Co., Ltd.

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

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 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Dec 10, 2025

First use in commerce: Dec 10, 2025

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

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

Status History

15 events

REGISTERED-PRINCIPAL REGISTER

Nov 03, 2026

Code R.PR

PUBLISHED FOR OPPOSITION

Sep 15, 2026

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Sep 15, 2026

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 09, 2026

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 16, 2026

Code CNSA

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jun 30, 2026

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jun 30, 2026

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

Jun 30, 2026

Code TEME

NON-FINAL ACTION WRITTEN

May 06, 2026

Code CNRT

NON-FINAL ACTION E-MAILED

May 06, 2026

Code GNRT

NOTIFICATION OF NON-FINAL ACTION E-MAILED

May 06, 2026

Code GNRN

ASSIGNED TO EXAMINER

Apr 27, 2026

Code DOCK

NEW APPLICATION ENTERED

Dec 24, 2025

Code NWAP

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 24, 2025

Code NWOS

APPLICATION FILING RECEIPT MAILED

Dec 24, 2025

Code MAFR

ENTROPY EFFECT

What to file next

Full Goods & Services

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