PKI-U holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 25 (Clothing & Footwear) 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 19, 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 |
|---|---|---|---|---|---|
| 99676901 | PKI-U | Mar 02, 2026 | Registered | ["025"] | Shupin Chen |
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FAQ: PKI-U trademark portfolio
What trademarks does PKI-U hold?
PKI-U holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 25 (Clothing & Footwear). The most recent filings are registered to Shupin Chen.
How many trademarks does PKI-U have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to PKI-U. The brand has been actively filing since March 2026. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does PKI-U file most often?
PKI-U'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 PKI-U trademark?
The most recent filings under the PKI-U mark are registered to Shupin Chen. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is PKI-U expanding into new categories?
The current WikiTrademarks Expansion Score for PKI-U 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 PKI-U trademark filings?
Click the Watch Brand button at the top of this page to add PKI-U 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 PKI-U to another owner · Browse all NICE classes · Most valuable brands
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