KOSS holds 3 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 10 (Medical Devices) with 2 filings. The WikiTrademarks Expansion Score is 2/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed July 4, 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 |
|---|---|---|---|---|---|
| 99384688 | KOSS | Sep 10, 2025 | Registered | 010 Medical Devices | Koss Corporation |
| 99384685 | KOSS | Sep 10, 2025 | Registered | 010 Medical Devices | Koss Corporation |
| 87136877 | KOSS | Aug 12, 2016 | Abandoned | 009 Electronics & Software | Koss Corporation |
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FAQ: KOSS trademark portfolio
What trademarks does KOSS hold?
KOSS holds 3 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 10 (Medical Devices), Class 9 (Electronics & Software). The most recent filings are registered to Koss Corporation.
How many trademarks does KOSS have at the USPTO?
WikiTrademarks tracks 3 USPTO trademark filings attributed to KOSS. The brand has been actively filing since August 2016. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does KOSS file most often?
KOSS's most active class is NICE Class 10 (Medical Devices), with 2 filings. The full distribution across all 1 classes is shown in the Nice Class Distribution panel on this page.
Who owns the KOSS trademark?
The most recent filings under the KOSS mark are registered to Koss Corporation. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is KOSS expanding into new categories?
The current WikiTrademarks Expansion Score for KOSS is 2 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 KOSS trademark filings?
Click the Watch Brand button at the top of this page to add KOSS 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 KOSS to another owner · Browse all NICE classes · Most valuable brands
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