PORTSMOUTH holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 19 (Building Materials) 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 November 1, 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 |
|---|---|---|---|---|---|
| 86773549 | PORTSMOUTH | Sep 30, 2015 | Pending | 019 Building Materials | Royal Building Products (USA) Inc. |
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FAQ: PORTSMOUTH trademark portfolio
What trademarks does PORTSMOUTH hold?
PORTSMOUTH holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 19 (Building Materials). The most recent filings are registered to Royal Building Products (USA) Inc..
How many trademarks does PORTSMOUTH have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to PORTSMOUTH. The brand has been actively filing since September 2015. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does PORTSMOUTH file most often?
PORTSMOUTH's most active class is NICE Class 19 (Building Materials), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the PORTSMOUTH trademark?
The most recent filings under the PORTSMOUTH mark are registered to Royal Building Products (USA) Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is PORTSMOUTH expanding into new categories?
The current WikiTrademarks Expansion Score for PORTSMOUTH 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 PORTSMOUTH trademark filings?
Click the Watch Brand button at the top of this page to add PORTSMOUTH 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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