Who owns the EFREVIC trademark?

The EFREVIC trademark is owned by FibroGen, Inc..

What class is the EFREVIC trademark registered in?

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

What is the serial number for EFREVIC?

The USPTO serial number for EFREVIC is 97109146.

What is the registration number for EFREVIC?

EFREVIC is registered under USPTO registration number 0.

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Home Search: EFREVICEFREVIC #97109146

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Updated Sep 27, 2026·26 searches this week

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EFR

USPTO Trademark Record

ABANDONED

EFREVIC

SN 97109146·Reg 0·Filed Nov 04, 2021

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.

EFREVIC (Serial No. 97109146), Registration No. 0, is a abandoned US trademark filed on Nov 04, 2021 by FibroGen, Inc.. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations).

Conflict Analysis

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Mark Intelligence

EFREVIC (Reg. #0) is an abandoned US trademark that was filed in 2021 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

Nov 04, 2021

SERIAL

97109146

REG#

REGISTERED

Dec 31, 1969

Filing Information

StatusABANDONED

Filing DateNov 04, 2021

Serial Number97109146

Registration No.0

Registration DateDec 31, 1969

Status DateDec 16, 2024

Published for OppositionSep 20, 2022

Filing Basis & Declarations

Standard Characters ClaimedTrademark

International Filings

Madrid Protocol1 filings

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

1631725

499Nov 10, 2021

Source: USPTO Madrid International Filing Requests

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

28 events

ABANDONMENT - NO USE STATEMENT FILED

Dec 16, 2024

ABANDONMENT - NO USE STATEMENT FILED

ABANDONMENT NOTICE E-MAILED - NO USE STATEMENT FILED

Dec 16, 2024

ABANDONMENT NOTICE E-MAILED - NO USE STATEMENT 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 CHANGE OF CORRESPONDENCE RECEIVED

Oct 07, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Apr 04, 2024

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Apr 03, 2024

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 3 FILED

Apr 03, 2024

SOU EXTENSION 3 FILED

SOU EXTENSION 3 GRANTED

Apr 03, 2024

SOU EXTENSION 3 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Oct 06, 2023

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Oct 04, 2023

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 2 FILED

Oct 04, 2023

SOU EXTENSION 2 FILED

SOU EXTENSION 2 GRANTED

Oct 04, 2023

SOU EXTENSION 2 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Apr 22, 2023

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Apr 20, 2023

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

Apr 20, 2023

SOU EXTENSION 1 FILED

SOU EXTENSION 1 GRANTED

Apr 20, 2023

SOU EXTENSION 1 GRANTED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Nov 15, 2022

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Sep 20, 2022

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Sep 20, 2022

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 31, 2022

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 16, 2022

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Aug 15, 2022

ASSIGNED TO EXAMINER

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

Apr 15, 2022

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 15, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 15, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Nov 15, 2021

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Nov 08, 2021

NEW APPLICATION ENTERED

Other Marks by FibroGen, Inc.

Additional USPTO filings from the same owner.

FIB

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75479950

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ABANDONED

HIF

HIFRENZO

97844505

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ABANDONED

RIV

RIVZEPRI

97274856

FibroGen, Inc.

ABANDONED

PAM

PAMFYBRO

97109140

FibroGen, Inc.

ABANDONED

Other Marks by Harold Milstein

Additional USPTO filings handled by the same attorney of record.

TUK

TUKYSA

88209362

REGISTERED

TUK

TUKYSA

88682720

REGISTERED

98055650

REGISTERED

98055670

REGISTERED

EFREVIC

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