E89R
TEAS SECTION 8 & 9 RECEIVED
07/10/2026
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Official data from USPTO
WELLBORE SHIELDING
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Active USPTO registrationType: WordOffice: United States
Quick snapshot
WELLBORE SHIELDING
ST13
US500000086685111Class
1
Filing
86685111
Registration
5000313
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
41
Latest update
07/10/2026
Trademark type
Word
Nice classes
1
Filing date
07/07/2015
Registration date
07/12/2016
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
12/28/2022
Last transaction
07/10/2026
Responsible office
United States Patent and Trademark Office
Status code
701
Official register
Supplemental Register
Filing basis
Intent to use
First use anywhere
05/12/2016
First use in commerce
05/12/2016
Drawing code
4
Owner type
16
Owner location
Houston, TX, US
Examiner
MICHOS, JOHN E
Law office
M90
Current location
TMO LAW OFFICE 118
Holders and representatives
Holders
DORF KETAL WELL SERVICES, LLC
Impact Fluid Solutions, LP
Representatives
John P. Courtney Hunton Andrews Kurth LLP
Technical classification
Nice Classes
Class 1
Vienna Codes
No Vienna codes available.
Goods and services
Class 1
chemical additives for oil well drilling fluids
Publications
History of USPTO decisions and trademark events.
41 publications found
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
07/12/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
07/23/2024
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
07/23/2024
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
07/23/2024
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
07/23/2024
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
07/23/2024
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
06/28/2024
NAS8
NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED
12/28/2022
8.OK
REGISTERED - SEC. 8 (6-YR) ACCEPTED
12/28/2022
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
12/28/2022
ES8R
TEAS SECTION 8 RECEIVED
07/05/2022
REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
07/12/2021
R.SR
REGISTERED-SUPPLEMENTAL REGISTER
07/12/2016
PREV
LAW OFFICE PUBLICATION REVIEW COMPLETED
06/07/2016
CNTA
APPROVED FOR REGISTRATION SUPPLEMENTAL REGISTER
05/31/2016
XAEC
EXAMINER'S AMENDMENT ENTERED
05/19/2016
ALIE
ASSIGNED TO LIE
05/18/2016
GNEN
NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
05/18/2016
GNEA
EXAMINERS AMENDMENT E-MAILED
05/18/2016
CNEA
EXAMINERS AMENDMENT -WRITTEN
05/18/2016
AAUA
NOTICE OF ACCEPTANCE OF AMENDMENT TO ALLEGE USE E-MAILED
05/18/2016
IUAA
USE AMENDMENT ACCEPTED
05/17/2016
AUPC
AMENDMENT TO USE PROCESSING COMPLETE
05/13/2016
IUAF
USE AMENDMENT FILED
05/13/2016
EAAU
TEAS AMENDMENT OF USE RECEIVED
05/12/2016
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
05/12/2016
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
05/12/2016
ERFR
TEAS REQUEST FOR RECONSIDERATION RECEIVED
05/12/2016
GNFN
NOTIFICATION OF FINAL REFUSAL EMAILED
04/19/2016
GNFR
FINAL REFUSAL E-MAILED
04/19/2016
CNFR
FINAL REFUSAL WRITTEN
04/19/2016
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
03/31/2016
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
03/31/2016
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
03/31/2016
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
10/20/2015
GNRT
NON-FINAL ACTION E-MAILED
10/20/2015
CNRT
NON-FINAL ACTION WRITTEN
10/20/2015
DOCK
ASSIGNED TO EXAMINER
10/16/2015
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
07/10/2015
NWAP
NEW APPLICATION ENTERED
07/10/2015
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