SINCERSUN holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 21 (Housewares) with 1 filings. The WikiTrademarks Expansion Score is 24/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed August 31, 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 |
|---|---|---|---|---|---|
| 99790115 | SINCERSUN | Apr 27, 2026 | Registered | 021 Housewares | Bing Qiu |
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FAQ: SINCERSUN trademark portfolio
What trademarks does SINCERSUN hold?
SINCERSUN holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 21 (Housewares). The most recent filings are registered to Bing Qiu.
How many trademarks does SINCERSUN have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to SINCERSUN. The brand has been actively filing since April 2026. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does SINCERSUN file most often?
SINCERSUN'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 SINCERSUN trademark?
The most recent filings under the SINCERSUN mark are registered to Bing Qiu. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is SINCERSUN expanding into new categories?
The current WikiTrademarks Expansion Score for SINCERSUN is 24 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 SINCERSUN trademark filings?
Click the Watch Brand button at the top of this page to add SINCERSUN 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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