DUOLINK holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 10 (Medical Devices) 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 2, 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 |
|---|---|---|---|---|---|
| 99410028 | DUOLINK | Sep 24, 2025 | Pending | 010 Medical Devices | HebeiYoungWillHealthTechnologyCo.,Ltd. |
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FAQ: DUOLINK trademark portfolio
What trademarks does DUOLINK hold?
DUOLINK holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 10 (Medical Devices). The most recent filings are registered to HebeiYoungWillHealthTechnologyCo.,Ltd..
How many trademarks does DUOLINK have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DUOLINK. 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 DUOLINK file most often?
DUOLINK's most active class is NICE Class 10 (Medical Devices), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DUOLINK trademark?
The most recent filings under the DUOLINK mark are registered to HebeiYoungWillHealthTechnologyCo.,Ltd.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DUOLINK expanding into new categories?
The current WikiTrademarks Expansion Score for DUOLINK 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 DUOLINK trademark filings?
Click the Watch Brand button at the top of this page to add DUOLINK 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 DUOLINK to another owner · Browse all NICE classes · Most valuable brands
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