'EIKEN' Trademark

Trademark Overview

On Monday, December 8, 1980, a trademark application was filed for 'EIKEN' with the United States Patent and Trademark Office. The USPTO has given the 'EIKEN' trademark a serial number of 73288948. The federal status of this trademark filing is REGISTERED AND RENEWED as of Friday, June 20, 2025. This trademark is owned by Eiken Chemical Co., Ltd.. The 'EIKEN' trademark is filed in the Chemical Products category with the following description:

Diagnostic Reagents for In Vitro or Laboratory Use
'eiken'

General Information

Serial Number73288948
Word Mark'EIKEN'
Filing DateMonday, December 8, 1980
Status800 - REGISTERED AND RENEWED
Status DateFriday, June 20, 2025
Registration Number1341789
Registration DateTuesday, June 18, 1985
Mark Drawing1 - Typeset: Word(s) / letter(s) / number(s)
Published for Opposition DateTuesday, April 9, 1985

Trademark Statements

Goods and ServicesDiagnostic Reagents for In Vitro or Laboratory Use

Classification Information

International Class001 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins; unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry.
US Class Codes006
Class Status Code6 - Active
Class Status DateTuesday, April 9, 1985
Primary Code001
First Use Anywhere DateNOT AVAILABLE
First Use In Commerce DateNOT AVAILABLE

Trademark Owner History

Party NameEiken Chemical Co., Ltd.
Party Type30 - Original Registrant
Legal Entity Type03 - Corporation
AddressChiyoda-ku, Tokyo 101-0062
JP
Party NameEiken Chemical Co., Ltd.
Party Type20 - Owner at Publication
Legal Entity Type03 - Corporation
AddressBunky-ku, Tokyo
JP
Party NameEiken Chemical Co., Ltd.
Party Type10 - Original Applicant
Legal Entity Type03 - Corporation
AddressBunky-ku, Tokyo
JP

Trademark Events

Event DateEvent Description
Tuesday, April 7, 1981ASSIGNED TO EXAMINER
Tuesday, December 8, 1981LETTER OF SUSPENSION MAILED
Tuesday, January 3, 1984INQUIRY AS TO SUSPENSION MAILED
Tuesday, July 3, 1984CORRESPONDENCE RECEIVED IN LAW OFFICE
Wednesday, July 18, 1984ALLOWANCE/COUNT WITHDRAWN
Thursday, August 9, 1984NON-FINAL ACTION MAILED
Friday, August 31, 1984APPROVED FOR PUB - PRINCIPAL REGISTER
Thursday, March 21, 1985NOTICE OF PUBLICATION
Tuesday, April 9, 1985PUBLISHED FOR OPPOSITION
Tuesday, June 18, 1985REGISTERED-PRINCIPAL REGISTER
Tuesday, June 18, 1991REGISTERED - SEC. 8 (6-YR) FILED
Thursday, October 31, 1991REGISTERED - SEC. 8 (6-YR) ACCEPTED
Thursday, September 22, 2005TEAS SECTION 8 & 9 RECEIVED
Thursday, September 22, 2005REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
Friday, December 30, 2005ASSIGNED TO PARALEGAL
Friday, December 30, 2005REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Friday, December 30, 2005REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
Thursday, May 22, 2008CASE FILE IN TICRS
Friday, May 30, 2008TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Friday, May 30, 2008ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Friday, September 12, 2008TEAS CHANGE OF OWNER ADDRESS RECEIVED
Friday, September 12, 2008APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Friday, June 12, 2015TEAS SECTION 8 & 9 RECEIVED
Thursday, July 2, 2015CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Thursday, July 2, 2015REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Thursday, July 2, 2015REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
Thursday, July 2, 2015NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
Tuesday, June 18, 2024COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
Tuesday, January 14, 2025TEAS SECTION 8 & 9 RECEIVED
Friday, June 20, 2025CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Friday, June 20, 2025REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Friday, June 20, 2025REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
Friday, June 20, 2025NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
Friday, November 21, 2025TEAS CHANGE OF OWNER ADDRESS RECEIVED
Friday, November 21, 2025APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Friday, November 21, 2025TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Friday, November 21, 2025ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Friday, November 21, 2025TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
Friday, November 21, 2025TEAS CHANGE OF CORRESPONDENCE RECEIVED

Related Keywords

eiken laboratory vitro reagents diagnostic