Who owns the MATH-CHI trademark?

The MATH-CHI trademark is owned by Oppenheimer, Matt.

What class is the MATH-CHI trademark registered in?

The MATH-CHI trademark is registered in Class 016 (Paper goods, books & stationery), Class 041 (Education & entertainment services).

What is the serial number for MATH-CHI?

The USPTO serial number for MATH-CHI is 87263125.

What is the registration number for MATH-CHI?

MATH-CHI is registered under USPTO registration number 5326893.

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Home Search: MATH-CHIMATH-CHI #87263125

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Updated Oct 10, 2026·23 searches this week

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MAT

USPTO Trademark Record

REGISTERED

MATH-CHI

SN 87263125·Reg 5326893·Filed Dec 09, 2016

Owner Oppenheimer, Matt

Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furniture; adhesives for stationery or household purposes; drawing materials and materials for artists; paintbrushes; instructional and teaching materials; plastic sheets, films and bags for wrapping and packaging; printers' type, printing blocks.; Education; providing of training; entertainment; sporting and cultural activities.

MATH-CHI (Serial No. 87263125), Registration No. 5326893, is a registered US trademark filed on Dec 09, 2016 by Oppenheimer, Matt. This trademark covers Class 016 (Paper goods, books & stationery), Class 041 (Education & entertainment services).

Section 8/9 declaration window: November 08, 2027

Mark Intelligence

MATH-CHI (Reg. #5326893) is a registered US trademark that has been protecting its owner, Oppenheimer, Matt, since 2016. The mark covers Class 016 (Paper goods, books & stationery) and Class 041 (Education & entertainment services) respectively. Goods and services include Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furnitu.... The mark faced 1 opposition proceeding during prosecution.

FILED

Dec 09, 2016

SERIAL

87263125

REG#

5326893

REGISTERED

Nov 07, 2017

Filing Information

StatusREGISTERED

Filing DateDec 09, 2016

Serial Number87263125

Registration No.5326893

Registration DateNov 07, 2017

Status DateSep 29, 2023

Published for OppositionAug 22, 2017

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 016Paper goods, books & stationery

US codes: 002, 005, 022, 023, 029, 037, 038, 050

First use anywhere: Sep 01, 2015

First use in commerce: Sep 01, 2015

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Sep 01, 2015

First use in commerce: Sep 01, 2015

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

19 events

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Sep 29, 2023

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Sep 29, 2023

REGISTERED - SEC. 8 (6-YR) ACCEPTED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Sep 29, 2023

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 RECEIVED

May 21, 2023

TEAS SECTION 8 RECEIVED

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Nov 07, 2022

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

REGISTERED-PRINCIPAL REGISTER

Nov 07, 2017

REGISTERED-PRINCIPAL REGISTER

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 22, 2017

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

PUBLISHED FOR OPPOSITION

Aug 22, 2017

PUBLISHED FOR OPPOSITION

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 02, 2017

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 10, 2017

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

Jul 08, 2017

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jul 07, 2017

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jul 07, 2017

CORRESPONDENCE RECEIVED IN LAW OFFICE

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Mar 21, 2017

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NON-FINAL ACTION WRITTEN

Mar 21, 2017

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Mar 21, 2017

NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Mar 13, 2017

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 14, 2016

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Dec 13, 2016

NEW APPLICATION ENTERED

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AME

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