DUOLOCK holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 28 (Games & Toys) 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 June 14, 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 |
|---|---|---|
| Jan 29, 2026 |
MUZINICH BDC, INC.
|
AQUA-LEISURE RECREATION, LLC
STOUGHTON, MASSACHUSETTS
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 88676808 | DUOLOCK | Nov 01, 2019 | Pending | 028 Games & Toys | Aqua-Leisure Industries, Inc. |
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FAQ: DUOLOCK trademark portfolio
What trademarks does DUOLOCK hold?
DUOLOCK holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 28 (Games & Toys). The most recent filings are registered to Aqua-Leisure Industries, Inc..
How many trademarks does DUOLOCK have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DUOLOCK. The brand has been actively filing since November 2019. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DUOLOCK file most often?
DUOLOCK's most active class is NICE Class 28 (Games & Toys), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DUOLOCK trademark?
The most recent filings under the DUOLOCK mark are registered to Aqua-Leisure Industries, Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DUOLOCK expanding into new categories?
The current WikiTrademarks Expansion Score for DUOLOCK 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 DUOLOCK trademark filings?
Click the Watch Brand button at the top of this page to add DUOLOCK 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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