Who owns the THE FOUR CHAMBERED HEART trademark?

The THE FOUR CHAMBERED HEART trademark is owned by Extraordinary Conversations Inc..

What is the serial number for THE FOUR CHAMBERED HEART?

The USPTO serial number for THE FOUR CHAMBERED HEART is 50102102.

What is the registration number for THE FOUR CHAMBERED HEART?

THE FOUR CHAMBERED HEART is registered under USPTO registration number 0.

THE

USPTO Trademark Record

PENDING

THE FOUR CHAMBERED HEART

Q: What class is the THE FOUR CHAMBERED HEART trademark registered in?

The THE FOUR CHAMBERED HEART trademark is registered in Class 035 (Advertising, business management & retail services), Class 041 (Education & entertainment services).

SN 50102102·Reg 0·Filed Sep 10, 2026

Owner Extraordinary Conversations Inc.

Advertising; business management, organization and administration; office functions.; Education; providing of training; entertainment; sporting and cultural activities.

THE FOUR CHAMBERED HEART (Serial No. 50102102), Registration No. 0, is a pending US trademark filed on Sep 10, 2026 by Extraordinary Conversations Inc.. This trademark covers Class 035 (Advertising, business management & retail services), Class 041 (Education & entertainment services).

Mark Intelligence

THE FOUR CHAMBERED HEART (Reg. #0) is a pending US trademark that was filed in 2026 and is currently under USPTO examination. The mark covers Class 035 (Advertising, business management & retail services) and Class 041 (Education & entertainment services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Education; providing of training; ....

FILED

Sep 10, 2026

SERIAL

50102102

REG#

Owner

Applicant

Extraordinary Conversations Inc.

Entity

Corporation

State

Address

20 Dacre Cres, Toronto, ON, M6S2W1

Country

Attorney

NameWillmore F. Holbrow III

Law firm

Willmore F. Holbrow III Buchalter LLP

Docket

E8165-005005

Address

1000 Wilshire Boulevard, Suite 1500, Los Angeles, CA 90017, United States

Get pre-filing clearance

AI attorney analyzes your proposed mark against USPTO — Go/No-Go verdict, class-by-class risks, and strategy recommendations.

Run clearance

Filing Information

StatusPENDING

Filing DateSep 10, 2026

Serial Number50102102

Registration No.0

Status DateSep 10, 2026

Mark TypeStandard characters

Attorney DocketE8165-005005

Status DescriptionLive and pending, new application not assigned

Filing Signals

FILED

2026

YEARS AGO

CLASSES

MADRID FILINGS

—

Search 14M+ trademarks

Free USPTO lookups by name, owner, or serial number. No account needed.

Search now

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Nov 30, 2023

First use in commerce: Nov 30, 2023

Advertising; business management, organization and administration; office functions.

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Nov 30, 2023

First use in commerce: Nov 30, 2023

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

3 events

NEW APPLICATION ENTERED

Sep 10, 2026

NEW APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 10, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Sep 10, 2026

APPLICATION FILING RECEIPT MAILED

THE FOUR CHAMBERED HEART

Get pre-filing clearance

Search 14M+ trademarks

Run a conflict check

Other Marks by Extraordinary Conversations Inc.

Other Marks in Class 035 — Advertising, business management & retail services

Other Marks by Willmore F. Holbrow III

Resources

Company