DUET SERIES holds 1 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 11 (Lighting & HVAC) with 1 filings. The WikiTrademarks Expansion Score is 4/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 7, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99392914 | DUET SERIES | Sep 15, 2025 | Pending | 011 Lighting & HVAC | VTRONIX, LLC |
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FAQ: DUET SERIES trademark portfolio
What trademarks does DUET SERIES hold?
DUET SERIES holds 1 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 11 (Lighting & HVAC). The most recent filings are registered to VTRONIX, LLC.
How many trademarks does DUET SERIES have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DUET SERIES. The brand has been actively filing since September 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DUET SERIES file most often?
DUET SERIES's most active class is NICE Class 11 (Lighting & HVAC), with 1 filings. The full distribution across all 1 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DUET SERIES trademark?
The most recent filings under the DUET SERIES mark are registered to VTRONIX, LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DUET SERIES expanding into new categories?
The current WikiTrademarks Expansion Score for DUET SERIES is 4 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 DUET SERIES trademark filings?
Click the Watch Brand button at the top of this page to add DUET SERIES 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.
More on this portfolio: Compare DUET SERIES to another owner · Browse all NICE classes · Most valuable brands
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