DIADEMA holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 11 (Lighting & HVAC) with 1 filings. The WikiTrademarks Expansion Score is 1/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed August 27, 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 |
|---|---|---|---|---|---|
| 79409544 | DIADEMA | Aug 14, 2024 | Pending | 011 Lighting & HVAC | DE' LONGHI APPLIANCES S.r.l. |
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FAQ: DIADEMA trademark portfolio
What trademarks does DIADEMA hold?
DIADEMA holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 11 (Lighting & HVAC). The most recent filings are registered to DE' LONGHI APPLIANCES S.r.l..
How many trademarks does DIADEMA have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DIADEMA. The brand has been actively filing since August 2024. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DIADEMA file most often?
DIADEMA's most active class is NICE Class 11 (Lighting & HVAC), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DIADEMA trademark?
The most recent filings under the DIADEMA mark are registered to DE' LONGHI APPLIANCES S.r.l.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DIADEMA expanding into new categories?
The current WikiTrademarks Expansion Score for DIADEMA is 1 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 DIADEMA trademark filings?
Click the Watch Brand button at the top of this page to add DIADEMA 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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