Who owns the HIFRENZO trademark?

The HIFRENZO trademark is owned by FIBROGEN, INC..

What class is the HIFRENZO trademark registered in?

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

What is the serial number for HIFRENZO?

The USPTO serial number for HIFRENZO is 97844505.

What is the registration number for HIFRENZO?

HIFRENZO is registered under USPTO registration number 0.

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Home Search: HIFRENZOHIFRENZO #97844505

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Updated Sep 26, 2026·39 searches this week

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HIF

USPTO Trademark Record

ABANDONED

HIFRENZO

SN 97844505·Reg 0·Filed Mar 17, 2023

Owner FIBROGEN, INC.

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.

HIFRENZO (Serial No. 97844505), Registration No. 0, is a abandoned US trademark filed on Mar 17, 2023 by FIBROGEN, INC.. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations).

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Mark Intelligence

HIFRENZO (Reg. #0) is an abandoned US trademark that was filed in 2023 but has since been abandoned. 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 17, 2023

SERIAL

97844505

REG#

REGISTERED

Dec 31, 1969

Filing Information

StatusABANDONED

Filing DateMar 17, 2023

Serial Number97844505

Registration No.0

Registration DateDec 31, 1969

Status DateOct 20, 2025

Published for OppositionJan 23, 2024

Filing Basis & Declarations

Standard Characters ClaimedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 005Pharmaceuticals, medical & veterinary preparations

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

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

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Status History

31 events

ABANDONMENT NOTICE E-MAILED - NO USE STATEMENT FILED

Oct 21, 2025

ABANDONMENT NOTICE E-MAILED - NO USE STATEMENT FILED

ABANDONMENT - NO USE STATEMENT FILED

Oct 20, 2025

ABANDONMENT - NO USE STATEMENT FILED

SOU EXTENSION 2 GRANTED

Mar 15, 2025

SOU EXTENSION 2 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Mar 15, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Mar 14, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 2 FILED

Mar 14, 2025

SOU EXTENSION 2 FILED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Oct 07, 2024

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Oct 07, 2024

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Oct 07, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 07, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED

Oct 07, 2024

TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Oct 07, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

SOU TEAS EXTENSION RECEIVED

Aug 27, 2024

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

Aug 27, 2024

SOU EXTENSION 1 FILED

SOU EXTENSION 1 GRANTED

Aug 27, 2024

SOU EXTENSION 1 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Aug 27, 2024

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Aug 26, 2024

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Aug 26, 2024

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Aug 26, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 26, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 26, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Aug 26, 2024

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Apr 03, 2024

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Mar 19, 2024

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Jan 23, 2024

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 23, 2024

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 03, 2024

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 20, 2023

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Dec 13, 2023

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 23, 2023

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 21, 2023

NEW APPLICATION ENTERED

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