EXOSTEM holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 27 (Carpets & Rugs) 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 October 2, 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 |
|---|---|---|---|---|---|
| 99039370 | EXOSTEM | Feb 12, 2025 | Pending | 027 Carpets & Rugs | GrassWorx, LLC |
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FAQ: EXOSTEM trademark portfolio
What trademarks does EXOSTEM hold?
EXOSTEM holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 27 (Carpets & Rugs). The most recent filings are registered to GrassWorx, LLC.
How many trademarks does EXOSTEM have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to EXOSTEM. The brand has been actively filing since February 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does EXOSTEM file most often?
EXOSTEM's most active class is NICE Class 27 (Carpets & Rugs), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the EXOSTEM trademark?
The most recent filings under the EXOSTEM mark are registered to GrassWorx, LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is EXOSTEM expanding into new categories?
The current WikiTrademarks Expansion Score for EXOSTEM 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 EXOSTEM trademark filings?
Click the Watch Brand button at the top of this page to add EXOSTEM 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 EXOSTEM to another owner · Browse all NICE classes · Most valuable brands
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