ENDOSPHERE holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 41 (Education & Entertainment) 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 June 25, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 78534087 | ENDOSPHERE | Dec 16, 2004 | Abandoned | 041 Education & Entertainment | Stroumza, Jerome, H. |
Weekly visibility reports showing how ChatGPT mentions ENDOSPHERE, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: ENDOSPHERE trademark portfolio
What trademarks does ENDOSPHERE hold?
ENDOSPHERE holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 41 (Education & Entertainment). The most recent filings are registered to Stroumza, Jerome, H..
How many trademarks does ENDOSPHERE have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to ENDOSPHERE. The brand has been actively filing since December 2004. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does ENDOSPHERE file most often?
ENDOSPHERE's most active class is NICE Class 41 (Education & Entertainment), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the ENDOSPHERE trademark?
The most recent filings under the ENDOSPHERE mark are registered to Stroumza, Jerome, H.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is ENDOSPHERE expanding into new categories?
The current WikiTrademarks Expansion Score for ENDOSPHERE 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 ENDOSPHERE trademark filings?
Click the Watch Brand button at the top of this page to add ENDOSPHERE 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 ENDOSPHERE to another owner · Browse all NICE classes · Most valuable brands
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