NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
06/10/2026
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Official data from USPTO
CS
Did you know this trademark is already registered in United States?
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Active USPTO registrationType: CombinedOffice: US
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
60
Latest update
06/30/2026
Classification
Registered
Trademark type
Combined
Nice classes
5, 10, 42
Filing date
05/31/2012
Registration date
10/06/2015
Expiration date
-
Recommended action
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Next step
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Complete case details
Structured fields from the responsible authority and the official record.
Status date
06/10/2026
Last transaction
06/30/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
09/18/2014
First use in commerce
09/18/2014
Drawing code
5
Owner type
03
Owner location
Alpharetta, GA, US
Examiner
KEAN, AMY C
Current location
PUBLICATION AND ISSUE SECTION
Mark description
The mark consists of the stylized lettering "CS".
Holders and representatives
Holders
Clearside Biomedical, Inc.
Clearside Biomedical, Inc.
Representatives
Bassam N. Ibrahim BUCHANAN INGERSOLL & ROONEY, PC
Technical classification
Nice Classes
Class 5Class 10Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 5
Ocular pharmaceuticals; Ophthalmic preparations
Class 10
Medical devicesa needle-based injection system for delivery of pharmaceuticals and injection needles; Ophthalmic medical devicesa needle-based injection system for delivery of pharmaceuticals to eye tissue and injection needles; Drug delivery systems
Class 42
Research and development in the field of ophthalmology and ocular microinjection systems
Publications
History of USPTO decisions and trademark events.
60 publications found
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
06/10/2026
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
06/10/2026
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
06/10/2026
E89R
TEAS SECTION 8 & 9 RECEIVED
04/06/2026
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
10/06/2024
NAS8
NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED
09/20/2022
8.OK
REGISTERED - SEC. 8 (6-YR) ACCEPTED
09/20/2022
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
09/15/2022
ES8R
TEAS SECTION 8 RECEIVED
03/31/2022
REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
10/06/2020
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
08/12/2020
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
05/02/2018
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
05/02/2018
R.PR
REGISTERED-PRINCIPAL REGISTER
10/06/2015
SUNA
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
09/02/2015
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
09/01/2015
SUPC
STATEMENT OF USE PROCESSING COMPLETE
08/26/2015
IUAF
USE AMENDMENT FILED
08/12/2015
EISU
TEAS STATEMENT OF USE RECEIVED
08/12/2015
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
06/12/2015
EX5G
SOU EXTENSION 5 GRANTED
06/11/2015
EXT5
SOU EXTENSION 5 FILED
05/27/2015
EEXT
SOU TEAS EXTENSION RECEIVED
05/27/2015
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
11/04/2014
EX4G
SOU EXTENSION 4 GRANTED
11/03/2014
EXT4
SOU EXTENSION 4 FILED
10/31/2014
EEXT
SOU TEAS EXTENSION RECEIVED
10/31/2014
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
05/22/2014
EX3G
SOU EXTENSION 3 GRANTED
05/21/2014
EXT3
SOU EXTENSION 3 FILED
05/14/2014
EEXT
SOU TEAS EXTENSION RECEIVED
05/14/2014
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
01/29/2014
EX2G
SOU EXTENSION 2 GRANTED
01/28/2014
AITU
CASE ASSIGNED TO INTENT TO USE PARALEGAL
01/24/2014
EXT2
SOU EXTENSION 2 FILED
12/03/2013
EEXT
SOU TEAS EXTENSION RECEIVED
12/03/2013
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
06/04/2013
EX1G
SOU EXTENSION 1 GRANTED
05/31/2013
EXT1
SOU EXTENSION 1 FILED
05/31/2013
EEXT
SOU TEAS EXTENSION RECEIVED
05/31/2013
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
05/13/2013
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
05/13/2013
NOAM
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
12/04/2012
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
10/09/2012
PUBO
PUBLISHED FOR OPPOSITION
10/09/2012
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
09/19/2012
PREV
LAW OFFICE PUBLICATION REVIEW COMPLETED
08/31/2012
ALIE
ASSIGNED TO LIE
08/29/2012
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
08/17/2012
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
08/16/2012
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
08/16/2012
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
08/16/2012
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
06/15/2012
GNRT
NON-FINAL ACTION E-MAILED
06/15/2012
CNRT
NON-FINAL ACTION WRITTEN
06/15/2012
DOCK
ASSIGNED TO EXAMINER
06/15/2012
MPMK
NOTICE OF PSEUDO MARK MAILED
06/09/2012
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
06/08/2012
NWAP
NEW APPLICATION ENTERED
06/04/2012
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