DUOLIYBC holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 21 (Housewares) with 1 filings. The WikiTrademarks Expansion Score is 3/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 4, 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 |
|---|---|---|---|---|---|
| 97490986 | DUOLIYBC | Jul 06, 2022 | Registered | 008 Hand Tools | Fuzhou Yuanbinchi Network Technology Co., Ltd. |
| 90710700 | DUOLIYBC | May 14, 2021 | Pending | 021 Housewares | Fuzhou Yuanbinchi Network Technology Co., Ltd. |
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FAQ: DUOLIYBC trademark portfolio
What trademarks does DUOLIYBC hold?
DUOLIYBC holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 21 (Housewares), Class 8 (Hand Tools). The most recent filings are registered to Fuzhou Yuanbinchi Network Technology Co., Ltd..
How many trademarks does DUOLIYBC have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to DUOLIYBC. The brand has been actively filing since May 2021. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DUOLIYBC file most often?
DUOLIYBC's most active class is NICE Class 21 (Housewares), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DUOLIYBC trademark?
The most recent filings under the DUOLIYBC mark are registered to Fuzhou Yuanbinchi Network Technology Co., Ltd.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DUOLIYBC expanding into new categories?
The current WikiTrademarks Expansion Score for DUOLIYBC is 3 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 DUOLIYBC trademark filings?
Click the Watch Brand button at the top of this page to add DUOLIYBC 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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