PR89
POST REGISTRATION ACTION MAILED - SEC. 8 & 9
06/12/2026
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Official data from USPTO
CYTOCELL
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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
41
Latest update
06/13/2026
Trademark type
Word
Nice classes
1, 5
Filing date
07/15/1993
Registration date
06/18/1996
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
08/23/2016
Last transaction
06/13/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
Filing basis
Intent to use, Foreign priority
Drawing code
1
Owner type
13
Owner location
CAMBRIDGE, GB
Examiner
COHEN, DARREN
Current location
Historical data usage
Holders and representatives
Holders
CYTOCELL LIMITED
CYTOCELL TECHNOLOGIES LIMITED
CYTOCELL LIMITED
CYTOCELL LIMITED
Representatives
Mark A. Hagedorn BARNES & THORNBURG LLP
Technical classification
Nice Classes
Class 1Class 5
Vienna Codes
No Vienna codes available.
Goods and services
Class 1
chemical preparations for use in laboratories; diagnostic reagents for use in biological and chemical assays
Class 5
diagnostic preparations for medical purposes
Publications
History of USPTO decisions and trademark events.
41 publications found
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
06/12/2026
E89R
TEAS SECTION 8 & 9 RECEIVED
04/10/2026
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
06/18/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
06/18/2020
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
06/18/2020
EWOR
TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED
06/18/2020
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
06/18/2020
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
06/18/2020
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
06/18/2020
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
08/23/2016
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
08/23/2016
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/23/2016
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
08/23/2016
E89R
TEAS SECTION 8 & 9 RECEIVED
06/01/2016
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
06/18/2015
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
08/18/2010
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
10/29/2008
CFIT
CASE FILE IN TICRS
06/21/2007
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
09/25/2006
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
09/25/2006
PLGL
ASSIGNED TO PARALEGAL
09/12/2006
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
06/29/2006
E89R
TEAS SECTION 8 & 9 RECEIVED
06/29/2006
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
07/30/2003
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
06/17/2002
R.PR
REGISTERED-PRINCIPAL REGISTER
06/18/1996
PUBO
PUBLISHED FOR OPPOSITION
03/26/1996
NPUB
NOTICE OF PUBLICATION
02/23/1996
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
12/11/1995
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
11/01/1995
1.BD
Sec. 1(B) CLAIM DELETED
11/01/1995
CNSL
LETTER OF SUSPENSION MAILED
10/17/1995
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
08/22/1995
CNSI
INQUIRY AS TO SUSPENSION MAILED
02/22/1995
CNSL
LETTER OF SUSPENSION MAILED
07/28/1994
ZZZX
PREVIOUS ALLOWANCE COUNT WITHDRAWN
06/03/1994
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
05/27/1994
CNEA
EXAMINER'S AMENDMENT MAILED
05/09/1994
CNRT
NON-FINAL ACTION MAILED
11/09/1993
DOCK
ASSIGNED TO EXAMINER
10/27/1993
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