QIANDUODUO 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 July 28, 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 |
|---|---|---|---|---|---|
| 90396044 | QIANDUODUO | Dec 19, 2020 | Registered | 011 Lighting & HVAC | Zhang Qiang |
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FAQ: QIANDUODUO trademark portfolio
What trademarks does QIANDUODUO hold?
QIANDUODUO 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 Zhang Qiang.
How many trademarks does QIANDUODUO have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to QIANDUODUO. 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 QIANDUODUO file most often?
QIANDUODUO'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 QIANDUODUO trademark?
The most recent filings under the QIANDUODUO mark are registered to Zhang Qiang. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is QIANDUODUO expanding into new categories?
The current WikiTrademarks Expansion Score for QIANDUODUO 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 QIANDUODUO trademark filings?
Click the Watch Brand button at the top of this page to add QIANDUODUO 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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