QRN holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 25 (Clothing & Footwear) 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 6, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99369572 | QRN | Sep 02, 2025 | Pending | 025 Clothing & Footwear | You Zichen |
| 88945302 | QRN | Jun 03, 2020 | Registered | 009 Electronics & Software | Zhang, Qiaozhen |
Weekly visibility reports showing how ChatGPT mentions QRN, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: QRN trademark portfolio
What trademarks does QRN hold?
QRN holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 25 (Clothing & Footwear), Class 9 (Electronics & Software). The most recent filings are registered to You Zichen.
How many trademarks does QRN have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to QRN. The brand has been actively filing since June 2020. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does QRN file most often?
QRN's most active class is NICE Class 25 (Clothing & Footwear), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the QRN trademark?
The most recent filings under the QRN mark are registered to You Zichen. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is QRN expanding into new categories?
The current WikiTrademarks Expansion Score for QRN 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 QRN trademark filings?
Click the Watch Brand button at the top of this page to add QRN 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 QRN to another owner · Browse all NICE classes · Most valuable brands
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