Who owns the CLOSEDPORT trademark?

The CLOSEDPORT trademark is owned by Stengel Holdings, LLC.

What class is the CLOSEDPORT trademark registered in?

The CLOSEDPORT trademark is registered in Class 041 (Education & entertainment services), Class 042 (Scientific, technology & SaaS services).

What is the serial number for CLOSEDPORT?

The USPTO serial number for CLOSEDPORT is 87521885.

What is the registration number for CLOSEDPORT?

CLOSEDPORT is registered under USPTO registration number 5431648.

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Updated Oct 31, 2026·29 searches this week

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Section 8/9 declaration window

March 27, 2028

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CLO

CLOSEDPORT

REGISTERED

Serial: 87521885
Reg: 5431648
Filed: Jul 10, 2017
Owner: Stengel Holdings, LLC

Education; providing of training; entertainment; sporting and cultural activities.; Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

What to file next

Section 9 renewal, filed with a Section 8 declaration

When: Due between the ninth and tenth anniversary of registration, then before each tenth anniversary after that.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed renewal cancels the registration, and there is no revival route for it.

How Section 9 renewal 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: Mar 31, 2016

First use in commerce: Mar 31, 2016

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

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Mar 31, 2016

First use in commerce: Mar 31, 2016

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

This description is as filed with the USPTO and defines the scope of trademark protection.

Status History

24 events

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

Nov 07, 2023

Code EROP

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Nov 07, 2023

Code 8.OK

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Nov 07, 2023

Code NAS8

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

Nov 01, 2023

Code EROP

POST REGISTRATION ACTION MAILED - SEC. 8

Oct 31, 2023

Code PRA8

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Oct 25, 2023

Code APRE

TEAS SECTION 8 RECEIVED

Jun 19, 2023

Code ES8R

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

Mar 27, 2023

Code REM1

REGISTERED-PRINCIPAL REGISTER

Mar 27, 2018

Code R.PR

PUBLISHED FOR OPPOSITION

Jan 09, 2018

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 09, 2018

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Dec 20, 2017

Code NONP

ASSIGNED TO LIE

Dec 03, 2017

Code ALIE

APPROVED FOR PUB - PRINCIPAL REGISTER

Nov 22, 2017

Code CNSA

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 18, 2017

Code TEME

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Oct 17, 2017

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 17, 2017

Code CRFA

NON-FINAL ACTION WRITTEN

Oct 11, 2017

Code CNRT

NON-FINAL ACTION E-MAILED

Oct 11, 2017

Code GNRT

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Oct 11, 2017

Code GNRN

ASSIGNED TO EXAMINER

Oct 05, 2017

Code DOCK

NOTICE OF DESIGN SEARCH CODE E-MAILED

Jul 18, 2017

Code MDSM

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jul 15, 2017

Code NWOS

NEW APPLICATION ENTERED

Jul 13, 2017

Code NWAP

CLOSEDPORT

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