EI DEFIANT holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology) with 1 filings. The WikiTrademarks Expansion Score is 4/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed October 18, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
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Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99701551 | EI DEFIANT | Mar 13, 2026 | Registered | 042 Science & Technology | ERBESSD INSTRUMENTS TECHNOLOGIES INC |
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FAQ: EI DEFIANT trademark portfolio
What trademarks does EI DEFIANT hold?
EI DEFIANT holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology). The most recent filings are registered to ERBESSD INSTRUMENTS TECHNOLOGIES INC.
How many trademarks does EI DEFIANT have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to EI DEFIANT. The brand has been actively filing since March 2026. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does EI DEFIANT file most often?
EI DEFIANT's most active class is NICE Class 42 (Science & Technology), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the EI DEFIANT trademark?
The most recent filings under the EI DEFIANT mark are registered to ERBESSD INSTRUMENTS TECHNOLOGIES INC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is EI DEFIANT expanding into new categories?
The current WikiTrademarks Expansion Score for EI DEFIANT is 4 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 EI DEFIANT trademark filings?
Click the Watch Brand button at the top of this page to add EI DEFIANT 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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