KOSIN holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 1 filings. The WikiTrademarks Expansion Score is 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed August 11, 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 |
|---|---|---|---|---|---|
| 88635391 | KOSIN | Sep 29, 2019 | Pending | 009 Electronics & Software | LUO, JUNDAN |
| 78319216 | KOSIN | Oct 27, 2003 | Abandoned | 010 Medical Devices | Kosin Technologies, LLC |
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FAQ: KOSIN trademark portfolio
What trademarks does KOSIN hold?
KOSIN holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 10 (Medical Devices). The most recent filings are registered to LUO, JUNDAN.
How many trademarks does KOSIN have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to KOSIN. The brand has been actively filing since October 2003. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does KOSIN file most often?
KOSIN'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 KOSIN trademark?
The most recent filings under the KOSIN mark are registered to LUO, JUNDAN. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is KOSIN expanding into new categories?
The current WikiTrademarks Expansion Score for KOSIN is 0 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 KOSIN trademark filings?
Click the Watch Brand button at the top of this page to add KOSIN 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 KOSIN to another owner · Browse all NICE classes · Most valuable brands
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