C8..
CANCELLED SEC. 8 (6-YR)
07/24/2026
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Official data from USPTO
KEMPHARM INC
This trademark appears in the official USPTO history.
Even when the status is closed, the history helps calibrate risk, avoid repeating mistakes, and define a safe naming strategy.
CANCELLED SEC. 8 (6-YR)Type: CombinedOffice: United States
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
CANCELLED SEC. 8 (6-YR)
Case type
Application and registration
Recorded events
46
Latest update
08/18/2026
Trademark type
Combined
Nice classes
42
Filing date
02/15/2018
Registration date
01/14/2020
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
07/24/2026
Last transaction
08/18/2026
Responsible office
United States Patent and Trademark Office
Status code
710
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
05/04/2009
First use in commerce
05/04/2009
Drawing code
5
Owner type
03
Owner location
CELEBRATION, FL, US
Examiner
O'ROURKE, JONATHAN RYAN
Law office
L40
Current location
PUBLICATION AND ISSUE SECTION
Mark description
The mark consists of the stylized word "KEMPHARM" with the word "INC" above the second "M" in "KEMPHARM" where the "KEM" is in orange and the "PHARM" and "INC" are in blue.
Holders and representatives
Holders
ZEVRA THERAPEUTICS, INC.
KemPharm, Inc.
KemPharm, Inc.
Representatives
Haverly MacArthur Adams and Reese LLP
Technical classification
Nice Classes
Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 42
Drug discovery services; Medical research; Research and development in the field of drug discovery
Publications
History of USPTO decisions and trademark events.
46 publications found
REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
01/14/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
12/06/2023
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
12/06/2023
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
12/06/2023
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
12/06/2023
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
12/06/2023
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
11/22/2023
R.PR
REGISTERED-PRINCIPAL REGISTER
01/14/2020
SUNA
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
12/10/2019
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
12/09/2019
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
11/19/2019
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
11/19/2019
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
11/19/2019
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
05/22/2019
GNRT
NON-FINAL ACTION E-MAILED
05/22/2019
CNRT
SU - NON-FINAL ACTION - WRITTEN
05/22/2019
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
05/09/2019
SUPC
STATEMENT OF USE PROCESSING COMPLETE
05/08/2019
DPCC
DIVISIONAL PROCESSING COMPLETE
05/08/2019
EX1G
SOU EXTENSION 1 GRANTED
05/08/2019
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
04/30/2019
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
04/30/2019
IROA
RESPONSE TO ITU OFFICE ACTION ENTERED
04/17/2019
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
04/17/2019
INCD
ITU OFFICE ACTION ISSUED FOR DIVISIONAL REQUEST
04/17/2019
AITU
CASE ASSIGNED TO INTENT TO USE PARALEGAL
04/09/2019
IUAF
USE AMENDMENT FILED
03/18/2019
DRRR
DIVISIONAL REQUEST RECEIVED
03/18/2019
EXT1
SOU EXTENSION 1 FILED
03/18/2019
ERTD
TEAS REQUEST TO DIVIDE RECEIVED
03/18/2019
EEXT
SOU TEAS EXTENSION RECEIVED
03/18/2019
EISU
TEAS STATEMENT OF USE RECEIVED
03/18/2019
NOAM
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
09/18/2018
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
07/24/2018
PUBO
PUBLISHED FOR OPPOSITION
07/24/2018
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
07/04/2018
ALIE
ASSIGNED TO LIE
06/15/2018
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
06/01/2018
XAEC
EXAMINER'S AMENDMENT ENTERED
06/01/2018
GNEN
NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
06/01/2018
GNEA
EXAMINERS AMENDMENT E-MAILED
06/01/2018
CNEA
EXAMINERS AMENDMENT -WRITTEN
06/01/2018
DOCK
ASSIGNED TO EXAMINER
05/31/2018
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
02/23/2018
NWAP
NEW APPLICATION ENTERED
02/19/2018
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