QRR holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) 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 July 31, 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 |
|---|---|---|---|---|---|
| 99358272 | QRR | Aug 26, 2025 | Registered | 009 Electronics & Software | KAIHONG CAO |
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FAQ: QRR trademark portfolio
What trademarks does QRR hold?
QRR holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software). The most recent filings are registered to KAIHONG CAO.
How many trademarks does QRR have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to QRR. The brand has been actively filing since August 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does QRR file most often?
QRR's most active class is NICE Class 9 (Electronics & Software), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the QRR trademark?
The most recent filings under the QRR mark are registered to KAIHONG CAO. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is QRR expanding into new categories?
The current WikiTrademarks Expansion Score for QRR 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 QRR trademark filings?
Click the Watch Brand button at the top of this page to add QRR 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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