DUODUOHOUSE 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 August 25, 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 |
|---|---|---|---|---|---|
| 90397095 | DUODUOHOUSE | Dec 20, 2020 | Pending | 028 Games & Toys | Wang Xia |
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FAQ: DUODUOHOUSE trademark portfolio
What trademarks does DUODUOHOUSE hold?
DUODUOHOUSE 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 Wang Xia.
How many trademarks does DUODUOHOUSE have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DUODUOHOUSE. The brand has been actively filing since December 2020. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DUODUOHOUSE file most often?
DUODUOHOUSE'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 DUODUOHOUSE trademark?
The most recent filings under the DUODUOHOUSE mark are registered to Wang Xia. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DUODUOHOUSE expanding into new categories?
The current WikiTrademarks Expansion Score for DUODUOHOUSE 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 DUODUOHOUSE trademark filings?
Click the Watch Brand button at the top of this page to add DUODUOHOUSE 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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