DUFF'S 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 June 15, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 72252981 | DUFF'S | Aug 23, 1966 | Abandoned | 001 Chemicals 005 Pharmaceuticals 029 Processed Foods 030 Staple Foods & Beverages 031 Fresh Produce & Agriculture 032 Beer & Soft Drinks | GILSTER-MARY LEE CORPORATION |
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FAQ: DUFF'S trademark portfolio
What trademarks does DUFF'S hold?
DUFF'S holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals), Class 5 (Pharmaceuticals), Class 29 (Processed Foods). The most recent filings are registered to GILSTER-MARY LEE CORPORATION.
How many trademarks does DUFF'S have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DUFF'S. The brand has been actively filing since August 1966. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DUFF'S file most often?
DUFF'S'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 DUFF'S trademark?
The most recent filings under the DUFF'S mark are registered to GILSTER-MARY LEE CORPORATION. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DUFF'S expanding into new categories?
The current WikiTrademarks Expansion Score for DUFF'S 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 DUFF'S trademark filings?
Click the Watch Brand button at the top of this page to add DUFF'S 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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