ESO holds 3 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 41 (Education & Entertainment) with 2 filings. The WikiTrademarks Expansion Score is 9/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 15, 2026
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Sign in to claimHow is ESO filing trademarks, and where is the portfolio expanding?
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 |
|---|---|---|---|---|---|
| 99248238 | ESO | Jun 23, 2025 | Registered | 041 Education & Entertainment | Zenimax Media Inc. |
| 99248234 | ESO | Jun 23, 2025 | Registered | 009 Electronics & Software | Zenimax Media Inc. |
| 86025078 | ESO | Jul 31, 2013 | Pending | 041 Education & Entertainment | ZeniMax Media Inc. |
Weekly visibility reports showing how ChatGPT mentions ESO, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: ESO trademark portfolio
What trademarks does ESO hold?
ESO holds 3 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 41 (Education & Entertainment), Class 9 (Electronics & Software). The most recent filings are registered to Zenimax Media Inc..
How many trademarks does ESO have at the USPTO?
WikiTrademarks tracks 3 USPTO trademark filings attributed to ESO. The brand has been actively filing since July 2013. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does ESO file most often?
ESO's most active class is NICE Class 41 (Education & Entertainment), with 2 filings. The full distribution across all 1 classes is shown in the Nice Class Distribution panel on this page.
Who owns the ESO trademark?
The most recent filings under the ESO mark are registered to Zenimax Media Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is ESO expanding into new categories?
The current WikiTrademarks Expansion Score for ESO is 9 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 ESO trademark filings?
Click the Watch Brand button at the top of this page to add ESO 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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