Who owns the OPENSEA trademark?

The OPENSEA trademark is owned by Ozone Networks, Inc..

What class is the OPENSEA trademark registered in?

The OPENSEA trademark is registered in Class 035 (Advertising, business management & retail services).

What is the serial number for OPENSEA?

The USPTO serial number for OPENSEA is 88079614.

What is the registration number for OPENSEA?

OPENSEA is registered under USPTO registration number 5797815.

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Updated Sep 19, 2026·41 searches this week

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OPE

USPTO Trademark Record

REGISTERED

OPENSEA

SN 88079614·Reg 5797815·Filed Aug 15, 2018

Owner Ozone Networks, Inc.

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

OPENSEA (Serial No. 88079614), Registration No. 5797815, is a registered US trademark filed on Aug 15, 2018 by Ozone Networks, Inc.. This trademark covers Class 035 (Advertising, business management & retail services).

Section 8/9 declaration window: July 09, 2029

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Full conflict analysis for OPENSEA (SN 88079614) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

OPENSEA (Reg. #5797815) is a registered US trademark that has been protecting its owner, Ozone Networks, Inc., since 2018. The mark covers Class 035 (Advertising, business management & retail services). Goods and services include Advertising; business management, organization and administration; office functions.. The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 15, 2018

SERIAL

88079614

REG#

5797815

REGISTERED

Jul 09, 2019

Filing Information

StatusREGISTERED

Filing DateAug 15, 2018

Serial Number88079614

Registration No.5797815

Registration DateJul 09, 2019

Status DateOct 20, 2025

Published for OppositionApr 23, 2019

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

International Filings

Madrid Protocol1 filings

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

1485757

480Feb 11, 2019

Source: USPTO Madrid International Filing Requests

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Dec 28, 2017

First use in commerce: Dec 28, 2017

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

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

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Status History

48 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Apr 22, 2026

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Apr 22, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 22, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Oct 28, 2025

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 28, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Oct 28, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

POST REGISTRATION ACTION MAILED NO RESPONSE REQUIRED

Oct 20, 2025

POST REGISTRATION ACTION MAILED NO RESPONSE REQUIRED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Oct 20, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Oct 20, 2025

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Oct 20, 2025

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

TEAS SECTION 8 & 15 RECEIVED

Jun 18, 2025

TEAS SECTION 8 & 15 RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jun 17, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jun 17, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Jun 17, 2025

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jun 17, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jun 17, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Jul 09, 2024

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Aug 10, 2023

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Aug 10, 2023

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Aug 10, 2023

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 10, 2023

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 10, 2023

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 01, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Feb 01, 2022

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 01, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Feb 01, 2022

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Feb 01, 2022

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

REGISTERED-PRINCIPAL REGISTER

Jul 09, 2019

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Apr 23, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Apr 23, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 03, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 13, 2019

APPROVED FOR PUB - PRINCIPAL REGISTER

CORRESPONDENCE RECEIVED IN LAW OFFICE

Feb 08, 2019

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Feb 08, 2019

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO LIE

Feb 04, 2019

ASSIGNED TO LIE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jan 30, 2019

TEAS RESPONSE TO OFFICE ACTION RECEIVED

NON-FINAL ACTION WRITTEN

Jan 24, 2019

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jan 24, 2019

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jan 24, 2019

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NON-FINAL ACTION WRITTEN

Dec 19, 2018

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Dec 19, 2018

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Dec 19, 2018

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NON-FINAL ACTION WRITTEN

Dec 11, 2018

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Dec 11, 2018

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Dec 11, 2018

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Dec 01, 2018

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 24, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Aug 18, 2018

NEW APPLICATION ENTERED

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PENDING

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