ESI holds 3 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 9 (Electronics & Software) with 3 filings. The WikiTrademarks Expansion Score is 2/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 14, 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 |
|---|---|---|---|---|---|
| 99679122 | ESI | Mar 02, 2026 | Registered | ["009","041","042"] | Apex Alpha, Inc. |
| 79394295 | ESI | Sep 15, 2023 | Pending | 009 Electronics & Software 010 Medical Devices 042 Science & Technology | MIR - MEDICAL |
| 73423320 | ESI | Apr 27, 1983 | Abandoned | 009 Electronics & Software | ELECTRO SCIENTIFIC INDUSTRIES, INC. |
Weekly visibility reports showing how ChatGPT mentions ESI, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: ESI trademark portfolio
What trademarks does ESI hold?
ESI holds 3 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 9 (Electronics & Software), Class 42 (Science & Technology), Class 41 (Education & Entertainment). The most recent filings are registered to Apex Alpha, Inc..
How many trademarks does ESI have at the USPTO?
WikiTrademarks tracks 3 USPTO trademark filings attributed to ESI. The brand has been actively filing since April 1983. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does ESI file most often?
ESI's most active class is NICE Class 9 (Electronics & Software), with 3 filings. The full distribution across all 1 classes is shown in the Nice Class Distribution panel on this page.
Who owns the ESI trademark?
The most recent filings under the ESI mark are registered to Apex Alpha, Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is ESI expanding into new categories?
The current WikiTrademarks Expansion Score for ESI is 2 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 ESI trademark filings?
Click the Watch Brand button at the top of this page to add ESI 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 ESI to another owner · Browse all NICE classes · Most valuable brands
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