DUROCK holds 3 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 2 filings. The WikiTrademarks Expansion Score is 9/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 22, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99735452 | DUROCK | Mar 31, 2026 | Registered | 009 Electronics & Software | Zhang Guo |
| 99509715 | DUROCK | Nov 21, 2025 | Registered | 027 Carpets & Rugs | Shenzhen Durock Technology Co., Ltd. |
| 88868298 | DUROCK | Apr 11, 2020 | Pending | 009 Electronics & Software | ZHANG, Guo |
Weekly visibility reports showing how ChatGPT mentions DUROCK, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: DUROCK trademark portfolio
What trademarks does DUROCK hold?
DUROCK holds 3 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 27 (Carpets & Rugs). The most recent filings are registered to Zhang Guo.
How many trademarks does DUROCK have at the USPTO?
WikiTrademarks tracks 3 USPTO trademark filings attributed to DUROCK. The brand has been actively filing since April 2020. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DUROCK file most often?
DUROCK's most active class is NICE Class 9 (Electronics & Software), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DUROCK trademark?
The most recent filings under the DUROCK mark are registered to Zhang Guo. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DUROCK expanding into new categories?
The current WikiTrademarks Expansion Score for DUROCK is 9 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 DUROCK trademark filings?
Click the Watch Brand button at the top of this page to add DUROCK 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 DUROCK to another owner · Browse all NICE classes · Most valuable brands
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