PORTA PRO holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 10 (Medical Devices) with 1 filings. The WikiTrademarks Expansion Score is 4/100, 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 |
|---|---|---|---|---|---|
| 99384699 | PORTA PRO | Sep 10, 2025 | Registered | 010 Medical Devices | Koss Corporation |
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FAQ: PORTA PRO trademark portfolio
What trademarks does PORTA PRO hold?
PORTA PRO holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 10 (Medical Devices). The most recent filings are registered to Koss Corporation.
How many trademarks does PORTA PRO have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to PORTA PRO. The brand has been actively filing since September 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does PORTA PRO file most often?
PORTA PRO's most active class is NICE Class 10 (Medical Devices), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the PORTA PRO trademark?
The most recent filings under the PORTA PRO 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 PORTA PRO expanding into new categories?
The current WikiTrademarks Expansion Score for PORTA PRO is 4 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 PORTA PRO trademark filings?
Click the Watch Brand button at the top of this page to add PORTA PRO 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 PORTA PRO to another owner · Browse all NICE classes · Most valuable brands
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