OPENSEA Trademark

Trademark Overview


On Wednesday, August 15, 2018, a trademark application was filed for OPENSEA with the United States Patent and Trademark Office. The USPTO has given the OPENSEA trademark a serial number of 88079626. The federal status of this trademark filing is SECTION 8 & 15 - ACCEPTED AND ACKNOWLEDGED as of Monday, October 20, 2025. This trademark is owned by Ozone Networks, Inc.. The OPENSEA trademark is filed in the Computer & Software Services & Scientific Services category with the following description:

Creation of online retail stores for others in the nature of web-based service that allows users to create hosted crypto collectible and blockchain-based non-fungible token stores; Providing a web site featuring technology that enables internet users to create, bookmark, annotate, and publicly share data; Providing a members-only website featuring technology which provides members with the ability to access multiple databases for the purpose of purchasing crypto collectible and blockchain-based non-fungible tokens
opensea

General Information


Serial Number88079626
Word MarkOPENSEA
Filing DateWednesday, August 15, 2018
Status702 - SECTION 8 & 15 - ACCEPTED AND ACKNOWLEDGED
Status DateMonday, October 20, 2025
Registration Number5797816
Registration DateTuesday, July 9, 2019
Mark Drawing4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form
Published for Opposition DateTuesday, April 23, 2019

Trademark Statements


Pseudo MarkOPEN SEA
Goods and ServicesCreation of online retail stores for others in the nature of web-based service that allows users to create hosted crypto collectible and blockchain-based non-fungible token stores; Providing a web site featuring technology that enables internet users to create, bookmark, annotate, and publicly share data; Providing a members-only website featuring technology which provides members with the ability to access multiple databases for the purpose of purchasing crypto collectible and blockchain-based non-fungible tokens

Classification Information


International Class042 - Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software.
US Class Codes100, 101
Class Status Code6 - Active
Class Status DateFriday, August 24, 2018
Primary Code042
First Use Anywhere DateThursday, December 28, 2017
First Use In Commerce DateThursday, December 28, 2017

Trademark Owner History


Party NameOzone Networks, Inc.
Party Type30 - Original Registrant
Legal Entity Type03 - Corporation
AddressNew York, NY 10003

Party NameOzone Networks, Inc.
Party Type20 - Owner at Publication
Legal Entity Type03 - Corporation
AddressNew York, NY 10013

Party NameOzone Networks, Inc.
Party Type10 - Original Applicant
Legal Entity Type03 - Corporation
AddressNew York, NY 10013

Trademark Events


Event DateEvent Description
Saturday, August 18, 2018NEW APPLICATION ENTERED
Friday, August 24, 2018NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Saturday, December 1, 2018ASSIGNED TO EXAMINER
Tuesday, December 11, 2018NON-FINAL ACTION WRITTEN
Tuesday, December 11, 2018NON-FINAL ACTION E-MAILED
Tuesday, December 11, 2018NOTIFICATION OF NON-FINAL ACTION E-MAILED
Wednesday, January 30, 2019TEAS RESPONSE TO OFFICE ACTION RECEIVED
Monday, February 4, 2019ASSIGNED TO LIE
Friday, February 8, 2019CORRESPONDENCE RECEIVED IN LAW OFFICE
Friday, February 8, 2019TEAS/EMAIL CORRESPONDENCE ENTERED
Wednesday, March 13, 2019APPROVED FOR PUB - PRINCIPAL REGISTER
Wednesday, April 3, 2019NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Tuesday, April 23, 2019PUBLISHED FOR OPPOSITION
Tuesday, April 23, 2019OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Tuesday, July 9, 2019REGISTERED-PRINCIPAL REGISTER
Tuesday, February 1, 2022TEAS CHANGE OF OWNER ADDRESS RECEIVED
Tuesday, February 1, 2022TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Tuesday, February 1, 2022ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Tuesday, February 1, 2022TEAS CHANGE OF CORRESPONDENCE RECEIVED
Tuesday, February 1, 2022APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Thursday, August 10, 2023TEAS CHANGE OF OWNER ADDRESS RECEIVED
Thursday, August 10, 2023APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Thursday, August 10, 2023TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Thursday, August 10, 2023ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Thursday, August 10, 2023TEAS CHANGE OF CORRESPONDENCE RECEIVED
Tuesday, July 9, 2024COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
Wednesday, June 18, 2025TEAS SECTION 8 & 15 RECEIVED
Tuesday, June 17, 2025TEAS CHANGE OF OWNER ADDRESS RECEIVED
Tuesday, June 17, 2025APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Tuesday, June 17, 2025TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Tuesday, June 17, 2025ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Tuesday, June 17, 2025TEAS CHANGE OF CORRESPONDENCE RECEIVED
Monday, October 20, 2025CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Monday, October 20, 2025POST REGISTRATION ACTION MAILED NO RESPONSE REQUIRED
Monday, October 20, 2025REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Monday, October 20, 2025NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
Tuesday, October 28, 2025TEAS CHANGE OF OWNER ADDRESS RECEIVED
Tuesday, October 28, 2025APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Tuesday, October 28, 2025TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Tuesday, October 28, 2025ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Tuesday, October 28, 2025TEAS CHANGE OF CORRESPONDENCE RECEIVED