NOSU
NOTICE OF SUIT
07/10/2026
Back to search
Official data from USPTO
PRN
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: 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
45
Latest update
07/10/2026
Classification
Registered
Trademark type
Word
Nice classes
42
Filing date
12/22/1977
Registration date
06/14/1983
Expiration date
-
Recommended action
Perform a full collision analysis and validate classes before any filing or trademark investment.
Next step
These are the details of the registration process. Even so, constant monitoring is what ensures peace of mind that your main asset remains protected.
Complete case details
Structured fields from the responsible authority and the official record.
Status date
12/09/2023
Last transaction
07/10/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
1976-04-00
First use in commerce
1976-04-00
Drawing code
1
Owner type
16
Owner location
APPLETON, WI, US
Examiner
MARKS, MARTIN H.
Law office
560
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
PRN HEALTH SERVICES LLC
PRN HEALTH SERVICES INC
PRN, Inc.
Representatives
Kristen D. Brooks Brooks Law and Consulting, LLC
Technical classification
Nice Classes
Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 42
Temporary Nursing Service
Publications
History of USPTO decisions and trademark events.
45 publications found
NOSU
NOTICE OF SUIT
06/22/2026
NOSU
NOTICE OF SUIT
05/28/2026
NOSU
NOTICE OF SUIT
05/06/2026
NOSU
NOTICE OF SUIT
05/05/2026
NOSU
NOTICE OF SUIT
04/14/2026
TTCD
BOARD DECISION COUNTERCLAIM DENIED
08/15/2025
CCCN
COUNTERCLAIM CANC. NO. 999999
02/20/2024
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
12/09/2023
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
12/09/2023
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
12/09/2023
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
12/08/2023
E89R
TEAS SECTION 8 & 9 RECEIVED
06/13/2023
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
06/14/2022
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
10/20/2021
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
08/09/2021
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
08/09/2021
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
08/09/2021
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
08/09/2021
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
08/09/2021
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
08/09/2021
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
06/27/2013
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
06/27/2013
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
06/27/2013
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
06/27/2013
E89R
TEAS SECTION 8 & 9 RECEIVED
06/12/2013
CFIT
CASE FILE IN TICRS
04/22/2008
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
09/06/2003
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
09/06/2003
PAPER RECEIVED
06/23/2003
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
06/13/2003
E89R
TEAS SECTION 8 & 9 RECEIVED
06/12/2003
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
09/30/1988
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
06/24/1988
R.PR
REGISTERED-PRINCIPAL REGISTER
06/14/1983
PUBO
PUBLISHED FOR OPPOSITION
10/26/1982
NPUB
NOTICE OF PUBLICATION
09/14/1982
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
08/24/1982
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
06/18/1982
CNRT
NON-FINAL ACTION MAILED
04/01/1982
CNSL
LETTER OF SUSPENSION MAILED
12/03/1980
CNSL
LETTER OF SUSPENSION MAILED
08/28/1979
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
12/26/1978
CNRT
NON-FINAL ACTION MAILED
06/22/1978
DOCK
ASSIGNED TO EXAMINER
02/11/1978
Continuous trademark protection
Get notified about every new filing that threatens PRN or your mark.
Professional 24-month watch service: we monitor USPTO for you and alert you in time to oppose — before conflicts become losses.