Who owns the EM-400 trademark?

The EM-400 trademark is owned by LEICA BIOSYSTEMS RICHMOND, INC..

What class is the EM-400 trademark registered in?

The EM-400 trademark is registered in Class 005 (Pharmaceuticals, medical & veterinary preparations).

What is the serial number for EM-400?

The USPTO serial number for EM-400 is 75157716.

What is the registration number for EM-400?

EM-400 is registered under USPTO registration number 2166874.

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Section 8/9 declaration window

June 23, 2028

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EM4

EM-400

REGISTERED

Serial: 75157716
Reg: 2166874
Filed: Aug 29, 1996
Owner: LEICA BIOSYSTEMS RICHMOND, 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.

What to file next

Section 9 renewal, filed with a Section 8 declaration

When: Due between the ninth and tenth anniversary of registration, then before each tenth anniversary after that.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed renewal cancels the registration, and there is no revival route for it.

How Section 9 renewal works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 005Pharmaceuticals, medical & veterinary preparations

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

First use anywhere: Jan 31, 1981

First use in commerce: Jan 31, 1981

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

Status History

45 events

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

Sep 25, 2025

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 25, 2025

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 25, 2025

Code TCCA

TEAS CHANGE OF OWNER ADDRESS RECEIVED

May 25, 2024

Code COAR

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

May 25, 2024

Code CHAN

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

May 25, 2024

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 25, 2024

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

May 25, 2024

Code TCCA

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Nov 10, 2021

Code COAR

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

Nov 10, 2021

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 10, 2021

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 10, 2021

Code TCCA

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Nov 10, 2021

Code CHAN

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Nov 10, 2021

Code COAR

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

Nov 10, 2021

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 10, 2021

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 10, 2021

Code TCCA

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Nov 10, 2021

Code CHAN

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

Apr 12, 2018

Code 89AG

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Apr 12, 2018

Code RNL2

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

Apr 12, 2018

Code NA89

TEAS SECTION 8 & 9 RECEIVED

Apr 11, 2018

Code E89R

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

Jun 23, 2017

Code REM2

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Aug 05, 2009

Code ASGN

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

Jul 08, 2009

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 08, 2009

Code ARAA

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

May 19, 2009

Code WOAR

WITHDRAWAL OF ATTORNEY GRANTED

May 19, 2009

Code WOAG

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

May 13, 2008

Code 89AG

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

May 13, 2008

Code RNL1

ASSIGNED TO PARALEGAL

Mar 12, 2008

Code PLGL

TEAS SECTION 8 & 9 RECEIVED

Mar 07, 2008

Code E89R

CASE FILE IN TICRS

Aug 14, 2007

Code CFIT

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 09, 2007

Code TCCA

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

Sep 17, 2003

Code C15A

PAPER RECEIVED

Jul 21, 2003

Code MAIL

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

Jul 21, 2003

Code 815F

REGISTERED-PRINCIPAL REGISTER

Jun 23, 1998

Code R.PR

PUBLISHED FOR OPPOSITION

Mar 31, 1998

Code PUBO

NOTICE OF PUBLICATION

Feb 27, 1998

Code NPUB

APPROVED FOR PUB - PRINCIPAL REGISTER

Jan 26, 1998

Code CNSA

FINAL REFUSAL MAILED

Oct 31, 1997

Code CNFR

CORRESPONDENCE RECEIVED IN LAW OFFICE

Sep 02, 1997

Code CRFA

NON-FINAL ACTION MAILED

Mar 03, 1997

Code CNRT

ASSIGNED TO EXAMINER

Feb 27, 1997

Code DOCK

EM-400

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