TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
08/12/2025
Back to search
Official data from USPTO
POROS
Did you know this trademark is already registered in United States?
Before investing in name, identity, and promotion, validate collision risk and registration strategy to avoid wasting time and budget.
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
44
Latest update
09/10/2025
Trademark type
Word
Nice classes
9
Filing date
10/13/1989
Registration date
01/01/1991
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
03/04/2021
Last transaction
09/10/2025
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
09/28/1989
First use in commerce
09/28/1989
Drawing code
1
Owner type
16
Owner location
South San Francisco, CA
Examiner
GOODPASTER, SCOTT
Law office
570
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
APPLIED BIOSYSTEMS, LLC
PERSEPTIVE BIOSYSTEMS, INC.
PERSEPTIVE BIOSYSTEMS, INC.
Representatives
Kenya L. Williams Thermo Fisher Scientific
Technical classification
Nice Classes
Class 9
Vienna Codes
No Vienna codes available.
Goods and services
Class 9
CHROMATOGRAPHY COLUMNS AND PACKING FOR CHEMICAL SEPARATION FOR USE IN LABORATORY OR CHEMICAL INDUSTRIAL APPLICATIONS
Publications
History of USPTO decisions and trademark events.
44 publications found
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
08/12/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
08/12/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
08/12/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
08/12/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
03/10/2023
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
03/10/2023
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
03/10/2023
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
03/10/2023
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
03/10/2023
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
03/04/2021
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
03/04/2021
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
03/04/2021
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
03/02/2021
E89R
TEAS SECTION 8 & 9 RECEIVED
11/22/2020
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
01/01/2020
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
07/23/2014
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
07/23/2014
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
08/02/2011
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
08/02/2011
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/01/2011
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
01/12/2011
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
01/12/2011
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
01/12/2011
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
01/05/2011
E89R
TEAS SECTION 8 & 9 RECEIVED
01/03/2011
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
05/29/2009
CFIT
CASE FILE IN TICRS
01/07/2009
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
12/13/2000
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
12/13/2000
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
04/18/2000
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
01/16/1997
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
12/17/1996
R.PR
REGISTERED-PRINCIPAL REGISTER
01/01/1991
PUBO
PUBLISHED FOR OPPOSITION
10/09/1990
NPUB
NOTICE OF PUBLICATION
09/08/1990
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
08/10/1990
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
07/30/1990
CNEA
EXAMINER'S AMENDMENT MAILED
07/28/1990
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
05/14/1990
CNFR
FINAL REFUSAL MAILED
05/02/1990
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
02/12/1990
CNRT
NON-FINAL ACTION MAILED
01/04/1990
DOCK
ASSIGNED TO EXAMINER
12/01/1989
Continuous trademark protection
Get notified about every new filing that threatens POROS or your mark.
Professional 24-month watch service: we monitor USPTO for you and alert you in time to oppose — before conflicts become losses.