PROTKFU 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 1/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 4, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 88333599 | PROTKFU | Mar 11, 2019 | Pending | 009 Electronics & Software | Lei Yang |
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FAQ: PROTKFU trademark portfolio
What trademarks does PROTKFU hold?
PROTKFU 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 Lei Yang.
How many trademarks does PROTKFU have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to PROTKFU. The brand has been actively filing since March 2019. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does PROTKFU file most often?
PROTKFU'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 PROTKFU trademark?
The most recent filings under the PROTKFU mark are registered to Lei Yang. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is PROTKFU expanding into new categories?
The current WikiTrademarks Expansion Score for PROTKFU is 1 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 PROTKFU trademark filings?
Click the Watch Brand button at the top of this page to add PROTKFU 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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