ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
02/11/2026
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Official data from USPTO
CONOSTAN
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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
10
Latest update
02/12/2026
Trademark type
Combined
Nice classes
1
Filing date
05/05/2021
Registration date
01/04/2022
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
01/04/2022
Last transaction
02/12/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
First use anywhere
12/01/2007
First use in commerce
12/01/2007
Drawing code
3
Owner type
03
Owner location
BAIE D'URFÉ, CA
Examiner
FOSTER, ALEXANDRA M.
Law office
M80
Current location
PUBLICATION AND ISSUE SECTION
Mark description
The mark consists of the word "CONOSTAN" in stylized uppercase font in the color of red, with the exception of the letter "A", which is presented as a stylized prism in grey and black with three grey and black bands extending from the right side. The color white represents background or transparent areas and is not a feature of the mark.
Holders and representatives
Holders
ANALYTICHEM CANADA INC.
Seigniory Chemical Products Ltd.
Representatives
MICHAEL I. ANGERT LOZA & LOZA, LLP
Technical classification
Nice Classes
Class 1
Vienna Codes
No Vienna codes available.
Goods and services
Class 1
Chemicalsbuffer and standard solutions used in analytical chemistry
Publications
History of USPTO decisions and trademark events.
10 publications found
R.PR
REGISTERED-PRINCIPAL REGISTER
01/04/2022
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
10/19/2021
PUBO
PUBLISHED FOR OPPOSITION
10/19/2021
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
09/29/2021
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
09/13/2021
DOCK
ASSIGNED TO EXAMINER
09/08/2021
MDSC
NOTICE OF DESIGN SEARCH CODE E-MAILED
08/07/2021
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
08/06/2021
NWAP
NEW APPLICATION ENTERED
05/08/2021
Continuous trademark protection
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