C 321 CATALYST holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 35 (Advertising & Business) with 1 filings. The WikiTrademarks Expansion Score is 31/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 15, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 79450061 | C 321 CATALYST | Mar 17, 2026 | Registered | 035 Advertising & Business 036 Insurance & Finance | MITSUI CHEMICALS, INC. |
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FAQ: C 321 CATALYST trademark portfolio
What trademarks does C 321 CATALYST hold?
C 321 CATALYST holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 35 (Advertising & Business), Class 36 (Insurance & Finance). The most recent filings are registered to MITSUI CHEMICALS, INC..
How many trademarks does C 321 CATALYST have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to C 321 CATALYST. The brand has been actively filing since March 2026. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does C 321 CATALYST file most often?
C 321 CATALYST's most active class is NICE Class 35 (Advertising & Business), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the C 321 CATALYST trademark?
The most recent filings under the C 321 CATALYST mark are registered to MITSUI CHEMICALS, INC.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is C 321 CATALYST expanding into new categories?
The current WikiTrademarks Expansion Score for C 321 CATALYST is 31 out of 100, which is low — the brand is focused on defending its existing categories rather than expanding. The score combines NICE class breadth, filing velocity, and the rate of cross-class movement from the brand's filing history.
How can I track new C 321 CATALYST trademark filings?
Click the Watch Brand button at the top of this page to add C 321 CATALYST to your Watchlist. New filings show up on your WikiTrademarks dashboard within 24 to 48 hours of being public, alongside any class expansions, status changes, or assignment events.
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