ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
12/11/2025
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Official data from USPTO
IRIODIN
Did you know this trademark is already registered in United States?
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Active USPTO registrationType: WordOffice: 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
21
Latest update
01/13/2026
Classification
Registered
Trademark type
Word
Nice classes
2, 16
Filing date
07/27/1973
Registration date
03/04/1975
Expiration date
-
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Next step
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Complete case details
Structured fields from the responsible authority and the official record.
Status date
08/09/2025
Last transaction
01/13/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
10/31/1956
First use in commerce
04/05/1973
Drawing code
1
Owner type
27
Owner location
GERNSHEIM, DE
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
SUSONITY
MERCK KGAA
E. MERCK
Representatives
William C. Wright Epstein Drangel LLP
Technical classification
Nice Classes
Class 2Class 16
Vienna Codes
No Vienna codes available.
Goods and services
Class 2
No specification.
Class 16
NACREOUS AND LUSTER-IMPARTING PIGMENTS
Publications
History of USPTO decisions and trademark events.
21 publications found
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
08/21/2025
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
08/09/2025
RNL4
REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)
08/09/2025
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/09/2025
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
08/09/2025
E89R
TEAS SECTION 8 & 9 RECEIVED
03/25/2025
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
03/04/2024
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
08/25/2015
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
08/25/2015
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/25/2015
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
08/20/2015
E89R
TEAS SECTION 8 & 9 RECEIVED
07/27/2015
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
04/20/2005
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
04/20/2005
PLGL
ASSIGNED TO PARALEGAL
04/20/2005
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
03/04/2005
PAPER RECEIVED
03/04/2005
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
03/29/1995
9.AF
REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8
01/31/1995
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
05/27/1980
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