Who owns the GRUMPY SHARKS trademark?

The GRUMPY SHARKS trademark is owned by Lê Quang Vũ.

What class is the GRUMPY SHARKS trademark registered in?

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

What is the serial number for GRUMPY SHARKS?

The USPTO serial number for GRUMPY SHARKS is 99113406.

What is the registration number for GRUMPY SHARKS?

GRUMPY SHARKS is registered under USPTO registration number 8107324.

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Section 8 declaration window

January 20, 2032

1906 days remaining

GRU

GRUMPY SHARKS

REGISTERED

Serial: 99113406
Reg: 8107324
Filed: Mar 31, 2025
Owner: Lê Quang Vũ

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: Jan 31, 2025

First use in commerce: Jan 31, 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

16 events

REGISTERED-PRINCIPAL REGISTER

Jan 20, 2026

Code R.PR

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jan 20, 2026

Code NRCC

PUBLISHED FOR OPPOSITION

Dec 02, 2025

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Dec 02, 2025

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Nov 26, 2025

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Nov 04, 2025

Code CNSA

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Nov 03, 2025

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Nov 03, 2025

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

Nov 03, 2025

Code TEME

NON-FINAL ACTION WRITTEN

Sep 03, 2025

Code CNRT

NON-FINAL ACTION E-MAILED

Sep 03, 2025

Code GNRT

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Sep 03, 2025

Code GNRN

ASSIGNED TO EXAMINER

Aug 28, 2025

Code DOCK

NEW APPLICATION ENTERED

Mar 31, 2025

Code NWAP

APPLICATION FILING RECEIPT MAILED

Mar 31, 2025

Code MAFR

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 31, 2025

Code NWOS

GRUMPY SHARKS

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