E89R
TEAS SECTION 8 & 9 RECEIVED
08/04/2026
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Official data from USPTO
SUREBLOCK
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Active USPTO registrationType: WordOffice: 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
18
Latest update
08/04/2026
Trademark type
Word
Nice classes
1
Filing date
03/17/2016
Registration date
09/06/2016
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
03/21/2023
Last transaction
08/04/2026
Responsible office
United States Patent and Trademark Office
Status code
702
Official register
Principal Register
First use anywhere
02/10/2016
First use in commerce
02/10/2016
Drawing code
4
Owner type
16
Owner location
Houston, TX, US
Examiner
FENNESSY, EDWARD JOHN
Law office
L10
Current location
TMEG LAW OFFICE 101
Holders and representatives
Holders
Weatherford Technology Holdings, LLC
Representatives
Brandon M. Ress Pirkey Barber PLLC
Technical classification
Nice Classes
Class 1
Vienna Codes
No Vienna codes available.
Goods and services
Class 1
Chemicals for use in industry and sciencea plugging agent for use in aqueous systems in hydrocarbon recovery
Publications
History of USPTO decisions and trademark events.
18 publications found
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
09/06/2025
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
05/03/2023
NA85
NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
03/21/2023
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
03/21/2023
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
03/21/2023
E815
TEAS SECTION 8 & 15 RECEIVED
09/06/2022
REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
09/06/2021
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
04/29/2019
R.PR
REGISTERED-PRINCIPAL REGISTER
09/06/2016
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
06/21/2016
PUBO
PUBLISHED FOR OPPOSITION
06/21/2016
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
06/01/2016
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
05/13/2016
DOCK
ASSIGNED TO EXAMINER
05/12/2016
MPMK
NOTICE OF PSEUDO MARK E-MAILED
03/23/2016
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
03/22/2016
NWAP
NEW APPLICATION ENTERED
03/21/2016
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