Who owns the FIBROGEN trademark?

The FIBROGEN trademark is owned by FIBROGEN, INC..

What class is the FIBROGEN trademark registered in?

The FIBROGEN trademark is registered in Class 001 (Chemicals for industrial, scientific & agricultural use).

What is the serial number for FIBROGEN?

The USPTO serial number for FIBROGEN is 75479950.

What is the registration number for FIBROGEN?

FIBROGEN is registered under USPTO registration number 2942261.

Sealvo

Home Search: FIBROGENFIBROGEN #75479950

Back

Updated Sep 27, 2026·20 searches this week

View on USPTO TSDR Find similar marks

FIB

USPTO Trademark Record

ABANDONED

FIBROGEN

SN 75479950·Reg 2942261·Filed May 05, 1998

Owner FIBROGEN, INC.

Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; fire extinguishing and fire prevention compositions; tempering and soldering preparations; substances for tanning animal skins and hides; adhesives for use in industry; compost, manures, fertilizers; biological preparations for use in industry and science.

FIBROGEN (Serial No. 75479950), Registration No. 2942261, is a abandoned US trademark filed on May 05, 1998 by FIBROGEN, INC.. This trademark covers Class 001 (Chemicals for industrial, scientific & agricultural use).

Conflict Analysis

Full conflict analysis for FIBROGEN (SN 75479950) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

FIBROGEN (Reg. #2942261) is an abandoned US trademark that was filed in 1998 but has since been abandoned. The mark covers Class 001 (Chemicals for industrial, scientific & agricultural use). Goods and services include Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocesse.... The mark faced 1 opposition proceeding during prosecution.

FILED

May 05, 1998

SERIAL

75479950

REG#

2942261

REGISTERED

Apr 19, 2005

Filing Information

StatusABANDONED

Filing DateMay 05, 1998

Serial Number75479950

Registration No.2942261

Registration DateApr 19, 2005

Status DateOct 31, 2025

Published for OppositionApr 10, 2001

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

International Filings

Madrid Protocol1 filings

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

1461203

480Feb 08, 2019

Source: USPTO Madrid International Filing Requests

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 001Chemicals for industrial, scientific & agricultural use

US codes: 001, 005, 006, 010, 026, 046

First use anywhere: May 02, 2000

First use in commerce: Dec 04, 2000

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

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

58 events

CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9

Oct 31, 2025

CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9

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 CHANGE OF CORRESPONDENCE RECEIVED

Oct 07, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

Apr 19, 2024

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 16, 2014

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Aug 16, 2014

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Aug 16, 2014

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Aug 16, 2014

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

TEAS SECTION 8 & 9 RECEIVED

Jul 30, 2014

TEAS SECTION 8 & 9 RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Apr 25, 2011

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Apr 25, 2011

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

TEAS SECTION 8 & 15 RECEIVED

Apr 12, 2011

TEAS SECTION 8 & 15 RECEIVED

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

Oct 07, 2008

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 07, 2008

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

REGISTERED-PRINCIPAL REGISTER

Apr 19, 2005

REGISTERED-PRINCIPAL REGISTER

LAW OFFICE REGISTRATION REVIEW COMPLETED

Jan 11, 2005

LAW OFFICE REGISTRATION REVIEW COMPLETED

AMENDMENT FROM APPLICANT ENTERED

Sep 16, 2004

AMENDMENT FROM APPLICANT ENTERED

PAPER RECEIVED

Sep 02, 2004

PAPER RECEIVED

UNRESPONSIVE/DUPLICATE PAPER RECEIVED

Sep 02, 2004

UNRESPONSIVE/DUPLICATE PAPER RECEIVED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Aug 22, 2004

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

ASSIGNED TO LIE

Aug 09, 2004

ASSIGNED TO LIE

EXAMINERS AMENDMENT MAILED

Aug 09, 2004

EXAMINERS AMENDMENT MAILED

EXAMINER'S AMENDMENT ENTERED

Aug 09, 2004

EXAMINER'S AMENDMENT ENTERED

ASSIGNED TO EXAMINER

Jul 20, 2004

ASSIGNED TO EXAMINER

STATEMENT OF USE PROCESSING COMPLETE

Jul 19, 2004

STATEMENT OF USE PROCESSING COMPLETE

CASE FILE IN TICRS

Jul 01, 2004

CASE FILE IN TICRS

TEAS STATEMENT OF USE RECEIVED

Jun 30, 2004

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Jun 30, 2004

USE AMENDMENT FILED

SOU EXTENSION 5 GRANTED

Jan 26, 2004

SOU EXTENSION 5 GRANTED

PAPER RECEIVED

Dec 23, 2003

PAPER RECEIVED

SOU EXTENSION 5 FILED

Dec 23, 2003

SOU EXTENSION 5 FILED

SOU EXTENSION 4 GRANTED

Jul 22, 2003

SOU EXTENSION 4 GRANTED

PAPER RECEIVED

Jul 03, 2003

PAPER RECEIVED

SOU EXTENSION 4 FILED

Jun 27, 2003

SOU EXTENSION 4 FILED

SOU EXTENSION 3 GRANTED

Apr 03, 2003

SOU EXTENSION 3 GRANTED

PAPER RECEIVED

Jan 02, 2003

PAPER RECEIVED

SOU EXTENSION 3 FILED

Dec 27, 2002

SOU EXTENSION 3 FILED

SOU EXTENSION 2 GRANTED

Jun 27, 2002

SOU EXTENSION 2 GRANTED

SOU TEAS EXTENSION RECEIVED

Jun 21, 2002

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 2 FILED

Jun 21, 2002

SOU EXTENSION 2 FILED

SOU EXTENSION 1 GRANTED

Dec 21, 2001

SOU EXTENSION 1 GRANTED

SOU EXTENSION 1 FILED

Dec 11, 2001

SOU EXTENSION 1 FILED

NOA MAILED - SOU REQUIRED FROM APPLICANT

Jul 03, 2001

NOA MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Apr 10, 2001

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Mar 28, 2001

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 04, 2000

APPROVED FOR PUB - PRINCIPAL REGISTER

CORRESPONDENCE RECEIVED IN LAW OFFICE

Aug 09, 2000

CORRESPONDENCE RECEIVED IN LAW OFFICE

FINAL REFUSAL MAILED

Feb 09, 2000

FINAL REFUSAL MAILED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Sep 01, 1999

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION MAILED

Mar 01, 1999

NON-FINAL ACTION MAILED

ASSIGNED TO EXAMINER

Feb 03, 1999

ASSIGNED TO EXAMINER

Jan 11, 1999

ASSIGNED TO EXAMINER

Other Marks by FIBROGEN, INC.

Additional USPTO filings from the same owner.

HIF

HIFRENZO

97844505

FIBROGEN, INC.

ABANDONED

RIV

RIVZEPRI

97274856

FibroGen, Inc.

ABANDONED

PAM

PAMFYBRO

97109140

FibroGen, Inc.

ABANDONED

EFR

EFREVIC

97109146

FibroGen, Inc.

ABANDONED

Other Marks in Class 001 — Chemicals for industrial, scientific & agricultural use

Recently filed and registered marks in the same international class.

FIB

FIBROGEN

90328258

KYNTRA BIO, INC.

REGISTERED

FIB

FIBROGEN

78466454

FibroGen, Inc.

ABANDONED

FIB

FIBROGEN-5

85158773

BLP Holding Corp.

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

FIBROGEN

Run a conflict check

Other Marks by FIBROGEN, INC.

Other Marks in Class 001 — Chemicals for industrial, scientific & agricultural use

Other Marks by Harold Milstein

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company