DIOFAN holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals) with 1 filings. The WikiTrademarks Expansion Score is 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed October 8, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
1 record| Date | From | To |
|---|---|---|
| Sep 17, 2014 |
SOLVIN S.A.
|
SOLVIN FRANCE
PARIS
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 72088453 | DIOFAN | Jan 05, 1960 | Abandoned | 001 Chemicals | SYENSQO FRANCE |
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FAQ: DIOFAN trademark portfolio
What trademarks does DIOFAN hold?
DIOFAN holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals). The most recent filings are registered to SYENSQO FRANCE.
How many trademarks does DIOFAN have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DIOFAN. The brand has been actively filing since January 1960. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DIOFAN file most often?
DIOFAN's most active class is NICE Class 1 (Chemicals), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DIOFAN trademark?
The most recent filings under the DIOFAN mark are registered to SYENSQO FRANCE. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DIOFAN expanding into new categories?
The current WikiTrademarks Expansion Score for DIOFAN is 0 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 DIOFAN trademark filings?
Click the Watch Brand button at the top of this page to add DIOFAN 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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