PORTXTRA holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 12 (Vehicles) with 1 filings. The WikiTrademarks Expansion Score is 1/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 15, 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 |
|---|---|---|---|---|---|
| 87800395 | PORTXTRA | Feb 16, 2018 | Pending | 012 Vehicles | SAILUN GROUP CO.,LTD. |
Weekly visibility reports showing how ChatGPT mentions PORTXTRA, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: PORTXTRA trademark portfolio
What trademarks does PORTXTRA hold?
PORTXTRA holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 12 (Vehicles). The most recent filings are registered to SAILUN GROUP CO.,LTD..
How many trademarks does PORTXTRA have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to PORTXTRA. The brand has been actively filing since February 2018. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does PORTXTRA file most often?
PORTXTRA's most active class is NICE Class 12 (Vehicles), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the PORTXTRA trademark?
The most recent filings under the PORTXTRA mark are registered to SAILUN GROUP CO.,LTD.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is PORTXTRA expanding into new categories?
The current WikiTrademarks Expansion Score for PORTXTRA is 1 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 PORTXTRA trademark filings?
Click the Watch Brand button at the top of this page to add PORTXTRA 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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