ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
04/22/2026
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Official data from USPTO
PREPZYME
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Active USPTO registrationType: WordOffice: United States
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
36
Latest update
04/23/2026
Trademark type
Word
Nice classes
3
Filing date
06/09/2000
Registration date
01/08/2002
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
01/07/2022
Last transaction
04/23/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
06/01/2000
First use in commerce
06/01/2000
Drawing code
1
Owner type
16
Owner location
CALEDONIA, MI, US
Examiner
RICHARDS, LESLIE
Law office
L60
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
RUHOF, LLC
RUHOF CORPORATION, THE
Representatives
Kristen S. Ruisi VENABLE LLP
Technical classification
Nice Classes
Class 3
Vienna Codes
No Vienna codes available.
Goods and services
Class 3
bacteriostatic enzymatic foam spray cleaner for use on medical instruments
Publications
History of USPTO decisions and trademark events.
36 publications found
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
05/03/2023
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
05/03/2023
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
05/03/2023
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
05/03/2023
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
05/03/2023
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
05/03/2023
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
01/07/2022
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
01/07/2022
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
01/07/2022
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
01/07/2022
E89R
TEAS SECTION 8 & 9 RECEIVED
07/28/2021
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
01/08/2021
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
08/29/2019
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
08/29/2019
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
03/06/2011
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
03/06/2011
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
03/04/2011
E89R
TEAS SECTION 8 & 9 RECEIVED
03/03/2011
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
09/08/2009
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
05/05/2007
PLGL
ASSIGNED TO PARALEGAL
04/30/2007
CFIT
CASE FILE IN TICRS
04/17/2007
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
04/01/2007
E815
TEAS SECTION 8 & 15 RECEIVED
04/01/2007
R.PR
REGISTERED-PRINCIPAL REGISTER
01/08/2002
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
08/13/2001
DOCK
ASSIGNED TO EXAMINER
08/13/2001
SUPC
STATEMENT OF USE PROCESSING COMPLETE
08/03/2001
IUAF
USE AMENDMENT FILED
07/20/2001
NOAM
NOA MAILED - SOU REQUIRED FROM APPLICANT
05/29/2001
PUBO
PUBLISHED FOR OPPOSITION
03/06/2001
NPUB
NOTICE OF PUBLICATION
02/21/2001
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
12/08/2000
CNEA
EXAMINER'S AMENDMENT MAILED
12/05/2000
DOCK
ASSIGNED TO EXAMINER
12/01/2000
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