Who owns the COTHINK trademark?

The COTHINK trademark is owned by LINA LUU.

What class is the COTHINK trademark registered in?

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

What is the serial number for COTHINK?

The USPTO serial number for COTHINK is 99443967.

What is the registration number for COTHINK?

COTHINK is registered under USPTO registration number 0.

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Updated Oct 2, 2026·17 searches this week

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COT

USPTO Trademark Record

ABANDONED

COTHINK

SN 99443967·Reg 0·Filed Oct 15, 2025

Owner LINA LUU

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

COTHINK (Serial No. 99443967), Registration No. 0, is a abandoned US trademark filed on Oct 15, 2025 by LINA LUU. This trademark covers Class 041 (Education & entertainment services).

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COTHINK (Reg. #0) is an abandoned US trademark that was filed in 2025 but has since been abandoned. The mark covers Class 041 (Education & entertainment services). Goods and services include Education; providing of training; entertainment; sporting and cultural activities..

FILED

Oct 15, 2025

SERIAL

99443967

REG#

REGISTERED

Dec 31, 1969

Filing Information

StatusABANDONED

Filing DateOct 15, 2025

Serial Number99443967

Registration No.0

Registration DateDec 31, 1969

Status DateJun 24, 2026

Mark TypeStandard characters

Filing Basis & Declarations

Standard Characters Claimed

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 041Education & entertainment services

US codes: 100, 101, 107

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

9 events

ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE

Jun 24, 2026

ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE

ABANDONMENT NOTICE E-MAILED - FAILURE TO RESPOND

Jun 24, 2026

ABANDONMENT NOTICE E-MAILED - FAILURE TO RESPOND

NON-FINAL ACTION WRITTEN

Mar 04, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Mar 04, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Mar 04, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Mar 02, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 11, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Oct 15, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Oct 15, 2025

APPLICATION FILING RECEIPT MAILED

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Additional USPTO filings from the same owner.

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LINA LUU

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COTHINK

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