Who owns the 400 trademark?

The 400 trademark is owned by CompactFlash Association.

What class is the 400 trademark registered in?

The 400 trademark is registered in Class A (Class NaN).

What is the serial number for 400?

The USPTO serial number for 400 is 97580508.

What is the registration number for 400?

400 is registered under USPTO registration number 8296023.

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400

USPTO Trademark Record

REGISTERED

400

SN 97580508·Reg 8296023·Filed Sep 06, 2022

Owner CompactFlash Association

400 (Serial No. 97580508), Registration No. 8296023, is a registered US trademark filed on Sep 06, 2022 by CompactFlash Association. This trademark covers Class A (Class NaN).

early section 8: June 09, 2032

Mark Intelligence

400 (Reg. #8296023) is a registered US trademark that has been protecting its owner, CompactFlash Association, since 2022. The mark covers Class A (Class NaN). The mark faced 1 opposition proceeding during prosecution.

FILED

Sep 06, 2022

SERIAL

97580508

REG#

8296023

REGISTERED

Jun 09, 2026

Filing Information

StatusREGISTERED

Filing DateSep 06, 2022

Serial Number97580508

Registration No.8296023

Registration DateJun 09, 2026

Status DateJun 09, 2026

Published for OppositionOct 22, 2024

Filing Basis & Declarations

Use Application Currently

International Filings

Madrid Protocol1 filings

This mark has 1 Madrid Protocol filing on record with the USPTO.

1711711

480Jan 04, 2023

Source: USPTO Madrid International Filing Requests

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 00AClass 0

US codes: A

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

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Status History

40 events

REGISTERED-PRINCIPAL REGISTER

Jun 09, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jun 09, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

May 19, 2026

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

May 19, 2026

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Apr 25, 2026

CASE ASSIGNED TO INTENT TO USE PARALEGAL

STATEMENT OF USE PROCESSING COMPLETE

Apr 25, 2026

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

Dec 01, 2025

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Dec 01, 2025

USE AMENDMENT FILED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Sep 15, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU EXTENSION 1 GRANTED

May 31, 2025

SOU EXTENSION 1 GRANTED

SOU EXTENSION 1 FILED

May 30, 2025

SOU EXTENSION 1 FILED

SOU TEAS EXTENSION RECEIVED

May 30, 2025

SOU TEAS EXTENSION RECEIVED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Dec 03, 2024

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Oct 22, 2024

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 22, 2024

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 02, 2024

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

TEAS/EMAIL CORRESPONDENCE ENTERED

Sep 12, 2024

TEAS/EMAIL CORRESPONDENCE ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 12, 2024

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Sep 11, 2024

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Sep 11, 2024

CORRESPONDENCE RECEIVED IN LAW OFFICE

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

Jun 11, 2024

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

Jun 11, 2024

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

NON-FINAL ACTION WRITTEN

Mar 11, 2024

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Mar 11, 2024

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Mar 11, 2024

NOTIFICATION OF NON-FINAL ACTION E-MAILED

PREVIOUS ALLOWANCE COUNT WITHDRAWN

Feb 26, 2024

PREVIOUS ALLOWANCE COUNT WITHDRAWN

WITHDRAWN FROM PUB - OG REVIEW QUERY

Feb 20, 2024

WITHDRAWN FROM PUB - OG REVIEW QUERY

APPROVED FOR PUB - PRINCIPAL REGISTER

Jan 30, 2024

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

Jan 29, 2024

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jan 28, 2024

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jan 28, 2024

CORRESPONDENCE RECEIVED IN LAW OFFICE

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

Oct 30, 2023

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

Oct 30, 2023

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

NON-FINAL ACTION WRITTEN

Jul 28, 2023

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jul 28, 2023

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jul 28, 2023

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jun 20, 2023

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Sep 27, 2022

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 25, 2022

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Sep 09, 2022

NEW APPLICATION ENTERED

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Additional USPTO filings handled by the same attorney of record.

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