PORTA PHONE 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 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 5, 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 |
|---|---|---|---|---|---|
| 75022950 | PORTA PHONE | Nov 20, 1995 | Abandoned | 009 Electronics & Software | Porta Phone Co., Inc. |
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FAQ: PORTA PHONE trademark portfolio
What trademarks does PORTA PHONE hold?
PORTA PHONE 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 Porta Phone Co., Inc..
How many trademarks does PORTA PHONE have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to PORTA PHONE. The brand has been actively filing since November 1995. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does PORTA PHONE file most often?
PORTA PHONE'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 PORTA PHONE trademark?
The most recent filings under the PORTA PHONE mark are registered to Porta Phone Co., Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is PORTA PHONE expanding into new categories?
The current WikiTrademarks Expansion Score for PORTA PHONE 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 PORTA PHONE trademark filings?
Click the Watch Brand button at the top of this page to add PORTA PHONE 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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