REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
06/16/2026
Back to search
Official data from USPTO
WEIDALON C.S.T.
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: 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
30
Latest update
06/17/2026
Classification
Registered
Trademark type
Combined
Nice classes
5
Filing date
06/03/1986
Registration date
06/16/1987
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
06/12/2017
Last transaction
06/17/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
10/01/1984
First use in commerce
06/01/1985
Drawing code
3
Owner type
03
Owner location
CHANGHUA HSIEN, TW
Examiner
STRASER, RICHARD
Law office
570
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
CHENG SHING TAI BIOPHARMACEUTICAL CO., LTD.
CHENG SHING TAI MEDICAL & PHARMACY CO., LTD.
Representatives
Burton S. Ehrlich LADAS & PARRY LLP
Technical classification
Nice Classes
Class 5
Vienna Codes
No Vienna codes available.
Goods and services
Class 5
MEDICINAL POWDER FOR TREATING STOMACH DISORDERS
Publications
History of USPTO decisions and trademark events.
30 publications found
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
03/25/2022
EWOR
TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED
03/25/2022
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
03/25/2022
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
03/25/2022
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
03/25/2022
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
05/09/2019
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
05/09/2019
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
06/12/2017
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
06/12/2017
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
06/12/2017
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
06/12/2017
E89R
TEAS SECTION 8 & 9 RECEIVED
04/21/2017
MDSC
NOTICE OF DESIGN SEARCH CODE MAILED
11/20/2008
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
08/08/2007
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/08/2007
PLGL
ASSIGNED TO PARALEGAL
06/28/2007
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
06/21/2007
PAPER RECEIVED
06/21/2007
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
06/20/2007
CFIT
CASE FILE IN TICRS
10/26/2006
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
01/14/1993
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
10/08/1992
R.PR
REGISTERED-PRINCIPAL REGISTER
06/16/1987
PUBO
PUBLISHED FOR OPPOSITION
03/24/1987
NPUB
NOTICE OF PUBLICATION
02/26/1987
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
01/14/1987
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
12/10/1986
CNRT
NON-FINAL ACTION MAILED
08/07/1986
DOCK
ASSIGNED TO EXAMINER
08/05/1986
Continuous trademark protection
Get notified about every new filing that threatens WEIDALON C.S.T. or your mark.
Professional 24-month watch service: we monitor USPTO for you and alert you in time to oppose — before conflicts become losses.