TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
04/07/2026
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Official data from USPTO
PROLEUKIN
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Active USPTO registrationType: CombinedOffice: 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
39
Latest update
04/09/2026
Trademark type
Combined
Nice classes
5
Filing date
07/08/2014
Registration date
06/23/2015
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
06/16/2025
Last transaction
04/09/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
02/02/2015
First use in commerce
02/02/2015
Drawing code
3
Owner type
16
Owner location
PHILADELPHIA, PA, US
Examiner
BORSUK, ESTHER
Current location
PUBLICATION AND ISSUE SECTION
Mark description
The mark consists of the word "PROLEUKIN" preceded by a sphere formed by two swirls; the color gray is intended to show shading or contrast only.
Holders and representatives
Holders
IOVANCE BIOTHERAPEUTICS MANUFACTURING LLC
CLINIGEN HOLDINGS LIMITED
Novartis Vaccines & Diagnostics, Inc.
Representatives
Carla B. Oakley Morgan, Lewis & Bockius LLP
Technical classification
Nice Classes
Class 5
Vienna Codes
No Vienna codes available.
Goods and services
Class 5
Pharmaceutical preparations for the treatment of oncological diseases and disorders
Publications
History of USPTO decisions and trademark events.
39 publications found
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
04/07/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
04/07/2026
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
06/16/2025
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
06/16/2025
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
06/16/2025
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
06/16/2025
E89R
TEAS SECTION 8 & 9 RECEIVED
01/09/2025
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
06/23/2024
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
02/07/2024
NA85
NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
10/14/2020
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
10/14/2020
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
10/14/2020
E815
TEAS SECTION 8 & 15 RECEIVED
08/27/2020
REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
06/23/2020
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
12/11/2019
R.PR
REGISTERED-PRINCIPAL REGISTER
06/23/2015
SUNA
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
05/22/2015
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
05/21/2015
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
05/20/2015
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
05/19/2015
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
05/19/2015
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
05/01/2015
GNRT
NON-FINAL ACTION E-MAILED
05/01/2015
CNRT
SU - NON-FINAL ACTION - WRITTEN
05/01/2015
SUPC
STATEMENT OF USE PROCESSING COMPLETE
04/13/2015
AITU
CASE ASSIGNED TO INTENT TO USE PARALEGAL
04/13/2015
IUAF
USE AMENDMENT FILED
03/10/2015
EISU
TEAS STATEMENT OF USE RECEIVED
03/10/2015
NOAM
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
03/10/2015
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
01/13/2015
PUBO
PUBLISHED FOR OPPOSITION
01/13/2015
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
12/24/2014
PBCR
WITHDRAWN FROM PUB - OG REVIEW QUERY
11/11/2014
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
10/22/2014
DOCK
ASSIGNED TO EXAMINER
10/20/2014
MDSC
NOTICE OF DESIGN SEARCH CODE E-MAILED
07/12/2014
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
07/11/2014
NWAP
NEW APPLICATION ENTERED
07/11/2014
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