YFL holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 14 (Jewelry & Watches) with 1 filings. The WikiTrademarks Expansion Score is 3/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 7, 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 |
|---|---|---|---|---|---|
| 90653923 | YFL | Apr 19, 2021 | Pending | 009 Electronics & Software | SHENZHEN ZKS MOBILE IOT TECH. CO., LTD. |
| 88442575 | YFL | May 22, 2019 | Pending | 014 Jewelry & Watches | Lin Tao |
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FAQ: YFL trademark portfolio
What trademarks does YFL hold?
YFL holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 14 (Jewelry & Watches), Class 9 (Electronics & Software). The most recent filings are registered to SHENZHEN ZKS MOBILE IOT TECH. CO., LTD..
How many trademarks does YFL have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to YFL. The brand has been actively filing since May 2019. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does YFL file most often?
YFL's most active class is NICE Class 14 (Jewelry & Watches), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the YFL trademark?
The most recent filings under the YFL mark are registered to SHENZHEN ZKS MOBILE IOT TECH. CO., LTD.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is YFL expanding into new categories?
The current WikiTrademarks Expansion Score for YFL is 3 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 YFL trademark filings?
Click the Watch Brand button at the top of this page to add YFL 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 YFL to another owner · Browse all NICE classes · Most valuable brands
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