POLY STONE holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals) with 1 filings. The WikiTrademarks Expansion Score is 3/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed August 18, 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 |
|---|---|---|---|---|---|
| 79306441 | POLY STONE | Oct 23, 2020 | Pending | 001 Chemicals 019 Building Materials | Gebrüder Dorfner GmbH & Co. KG |
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FAQ: POLY STONE trademark portfolio
What trademarks does POLY STONE hold?
POLY STONE holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals), Class 19 (Building Materials). The most recent filings are registered to Gebrüder Dorfner GmbH & Co. KG.
How many trademarks does POLY STONE have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to POLY STONE. The brand has been actively filing since October 2020. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does POLY STONE file most often?
POLY STONE's most active class is NICE Class 1 (Chemicals), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the POLY STONE trademark?
The most recent filings under the POLY STONE mark are registered to Gebrüder Dorfner GmbH & Co. KG. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is POLY STONE expanding into new categories?
The current WikiTrademarks Expansion Score for POLY STONE is 3 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 POLY STONE trademark filings?
Click the Watch Brand button at the top of this page to add POLY STONE 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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