TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
03/20/2026
Back to search
Official data from USPTO
PB
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: 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
45
Latest update
03/22/2026
Trademark type
Combined
Nice classes
42
Filing date
03/24/2023
Registration date
07/29/2025
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
07/29/2025
Last transaction
03/22/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
2021-05-00
First use in commerce
2021-05-00
Drawing code
5
Owner type
03
Owner location
Cambridge, MA, US
Examiner
HENRY, NAKIA D
Law office
O20
Current location
PUBLICATION AND ISSUE SECTION
Mark description
The mark consists of the letters "P" and "B" in lower case displayed as a loop.
Holders and representatives
Holders
Parallel Biosystems, Inc.
Representatives
Airina L. Rodrigues Brownstein Hyatt Farber Schreck, LLP
Technical classification
Nice Classes
Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 42
Medical scientific research testingresearch and development services in the fields of immune organoidsimmune system modelingantibodiespharmaceuticalsbiologicsimmunotherapiescell therapies; Drug discovery services; Biotechnology research and development servicesproviding screening and analysis of immune responsesantibodieshuman cellspharmaceutical and biologic therapies
Publications
History of USPTO decisions and trademark events.
45 publications found
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
03/20/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
03/20/2026
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
03/20/2026
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
03/20/2026
NRCC
NOTICE OF REGISTRATION CONFIRMATION EMAILED
07/29/2025
R.PR
REGISTERED-PRINCIPAL REGISTER
07/29/2025
SUNA
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
07/16/2025
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
07/07/2025
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
06/17/2025
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
06/17/2025
ALIE
ASSIGNED TO LIE
06/17/2025
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
06/11/2025
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
06/03/2025
GNRT
NON-FINAL ACTION E-MAILED
06/03/2025
CNRT
SU - NON-FINAL ACTION - WRITTEN
06/03/2025
SUPC
STATEMENT OF USE PROCESSING COMPLETE
04/21/2025
DPCC
DIVISIONAL PROCESSING COMPLETE
04/21/2025
EX2G
SOU EXTENSION 2 GRANTED
04/21/2025
AITU
CASE ASSIGNED TO INTENT TO USE PARALEGAL
04/21/2025
AITU
CASE ASSIGNED TO INTENT TO USE PARALEGAL
04/17/2025
IUAF
USE AMENDMENT FILED
10/23/2024
DRRR
DIVISIONAL REQUEST RECEIVED
10/23/2024
EXT2
SOU EXTENSION 2 FILED
10/23/2024
ERTD
TEAS REQUEST TO DIVIDE RECEIVED
10/23/2024
EISU
TEAS STATEMENT OF USE RECEIVED
10/23/2024
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
10/23/2024
EX1G
SOU EXTENSION 1 GRANTED
10/23/2024
EXT1
SOU EXTENSION 1 FILED
10/23/2024
EEXT
SOU TEAS EXTENSION RECEIVED
10/23/2024
NOAM
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
04/23/2024
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
03/04/2024
PUBO
PUBLISHED FOR OPPOSITION
02/27/2024
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
02/07/2024
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
02/07/2024
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
01/24/2024
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
01/08/2024
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
01/07/2024
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
01/07/2024
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
12/22/2023
GNRT
NON-FINAL ACTION E-MAILED
12/22/2023
CNRT
NON-FINAL ACTION WRITTEN
12/22/2023
DOCK
ASSIGNED TO EXAMINER
12/19/2023
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
04/16/2023
NWAP
NEW APPLICATION ENTERED
03/28/2023
Continuous trademark protection
Get notified about every new filing that threatens PB or your mark.
Professional 24-month watch service: we monitor USPTO for you and alert you in time to oppose — before conflicts become losses.