DUO FU DUO SHOU holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) 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 October 25, 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 |
|---|---|---|---|---|---|
| 99053252 | DUO FU DUO SHOU | Feb 24, 2025 | Registered | 009 Electronics & Software | Caelum Inc. |
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FAQ: DUO FU DUO SHOU trademark portfolio
What trademarks does DUO FU DUO SHOU hold?
DUO FU DUO SHOU holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software). The most recent filings are registered to Caelum Inc..
How many trademarks does DUO FU DUO SHOU have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DUO FU DUO SHOU. The brand has been actively filing since February 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DUO FU DUO SHOU file most often?
DUO FU DUO SHOU's most active class is NICE Class 9 (Electronics & Software), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DUO FU DUO SHOU trademark?
The most recent filings under the DUO FU DUO SHOU mark are registered to Caelum Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DUO FU DUO SHOU expanding into new categories?
The current WikiTrademarks Expansion Score for DUO FU DUO SHOU 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 DUO FU DUO SHOU trademark filings?
Click the Watch Brand button at the top of this page to add DUO FU DUO SHOU 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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