Who owns the PARTICLES OF THOUGHT trademark?

The PARTICLES OF THOUGHT trademark is owned by WGBH Educational Foundation.

What class is the PARTICLES OF THOUGHT trademark registered in?

The PARTICLES OF THOUGHT trademark is registered in Class 041 (Education & entertainment services).

What is the serial number for PARTICLES OF THOUGHT?

The USPTO serial number for PARTICLES OF THOUGHT is 99453659.

What is the registration number for PARTICLES OF THOUGHT?

PARTICLES OF THOUGHT is registered under USPTO registration number 8262770.

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Updated Oct 31, 2026·33 searches this week

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Section 8 declaration window

May 19, 2032

2026 days remaining

PAR

PARTICLES OF THOUGHT

REGISTERED

Serial: 99453659
Reg: 8262770
Filed: Oct 21, 2025
Owner: WGBH Educational Foundation

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: Aug 05, 2025

First use in commerce: Aug 12, 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

10 events

REGISTERED-PRINCIPAL REGISTER

May 19, 2026

Code R.PR

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 19, 2026

Code NRCC

PUBLISHED FOR OPPOSITION

Mar 31, 2026

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 31, 2026

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 25, 2026

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 09, 2026

Code CNSA

ASSIGNED TO EXAMINER

Mar 07, 2026

Code DOCK

NEW APPLICATION ENTERED

Oct 21, 2025

Code NWAP

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Oct 21, 2025

Code NWOS

APPLICATION FILING RECEIPT MAILED

Oct 21, 2025

Code MAFR

PARTICLES OF THOUGHT

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