DOCUIN holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology) 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 11, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99482687 | DOCUIN | Nov 06, 2025 | Registered | 042 Science & Technology | Hangzhou Ruizhen Technology Co., Ltd |
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FAQ: DOCUIN trademark portfolio
What trademarks does DOCUIN hold?
DOCUIN holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology). The most recent filings are registered to Hangzhou Ruizhen Technology Co., Ltd.
How many trademarks does DOCUIN have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DOCUIN. The brand has been actively filing since November 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DOCUIN file most often?
DOCUIN's most active class is NICE Class 42 (Science & Technology), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DOCUIN trademark?
The most recent filings under the DOCUIN mark are registered to Hangzhou Ruizhen 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 DOCUIN expanding into new categories?
The current WikiTrademarks Expansion Score for DOCUIN 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 DOCUIN trademark filings?
Click the Watch Brand button at the top of this page to add DOCUIN 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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