Who owns the DIAYAC trademark?

The DIAYAC trademark is owned by Renyu Jiang.

What class is the DIAYAC trademark registered in?

The DIAYAC trademark is registered in Class 005 (Pharmaceuticals, medical & veterinary preparations).

What is the serial number for DIAYAC?

The USPTO serial number for DIAYAC is 98464916.

What is the registration number for DIAYAC?

DIAYAC is registered under USPTO registration number 8079523.

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Home Search: DIAYACDIAYAC #98464916

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Updated Sep 24, 2026·23 searches this week

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USPTO Trademark Record

REGISTERED

DIAYAC

SN 98464916·Reg 8079523·Filed Mar 24, 2024

Owner Renyu Jiang

Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and substances adapted for medical or veterinary purposes, food for babies; dietary supplements for human beings and animals; adhesive plasters, materials for dressings; material for filling teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides.

DIAYAC (Serial No. 98464916), Registration No. 8079523, is a registered US trademark filed on Mar 24, 2024 by Renyu Jiang. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations).

early section 8: December 23, 2031

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Mark Intelligence

DIAYAC (Reg. #8079523) is a registered US trademark that has been protecting its owner, Renyu Jiang, since 2024. The mark covers Class 005 (Pharmaceuticals, medical & veterinary preparations). Goods and services include Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and subs.... The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 24, 2024

SERIAL

98464916

REG#

8079523

REGISTERED

Dec 23, 2025

Filing Information

StatusREGISTERED

Filing DateMar 24, 2024

Serial Number98464916

Registration No.8079523

Registration DateDec 23, 2025

Status DateDec 23, 2025

Published for OppositionNov 05, 2024

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 005Pharmaceuticals, medical & veterinary preparations

US codes: 005, 006, 018, 044, 046, 051, 052

First use anywhere: May 23, 2025

First use in commerce: May 23, 2025

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

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Status History

23 events

REGISTERED-PRINCIPAL REGISTER

Dec 23, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Dec 23, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Dec 02, 2025

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Dec 02, 2025

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Dec 01, 2025

CASE ASSIGNED TO INTENT TO USE PARALEGAL

STATEMENT OF USE PROCESSING COMPLETE

Dec 01, 2025

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

Jun 08, 2025

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Jun 08, 2025

USE AMENDMENT FILED

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

Jun 06, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jun 06, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jun 06, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Jun 06, 2025

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 03, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 03, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

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

Feb 03, 2025

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

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Dec 17, 2024

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Nov 05, 2024

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Nov 05, 2024

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 16, 2024

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 26, 2024

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Sep 25, 2024

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Apr 02, 2024

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 24, 2024

NEW APPLICATION ENTERED

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