E4 holds 5 USPTO trademark filings across 2 NICE classes. The largest concentration is in Class 7 (Machinery) with 2 filings. The WikiTrademarks Expansion Score is 22/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed July 7, 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 |
|---|---|---|---|---|---|
| 99784892 | E4 | Apr 24, 2026 | Registered | 007 Machinery | LUKAS Hydraulik GmbH |
| 99784912 | E4 | Apr 24, 2026 | Registered | 007 Machinery | LUKAS Hydraulik GmbH |
| 99458062 | E4 | Oct 23, 2025 | Registered | 009 Electronics & Software | TransCore, LP |
| 99311521 | E4 | Jul 30, 2025 | Pending | 045 Legal & Security Services | E4 Security, Inc. |
| 88318625 | E4 | Feb 27, 2019 | Pending | 042 Science & Technology | e4 Services, LLC |
Weekly visibility reports showing how ChatGPT mentions E4, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: E4 trademark portfolio
What trademarks does E4 hold?
E4 holds 5 USPTO trademark filings across 2 NICE classes. The largest concentration is in Class 7 (Machinery), Class 45 (Legal & Security Services), Class 9 (Electronics & Software). The most recent filings are registered to LUKAS Hydraulik GmbH.
How many trademarks does E4 have at the USPTO?
WikiTrademarks tracks 5 USPTO trademark filings attributed to E4. The brand has been actively filing since February 2019. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does E4 file most often?
E4's most active class is NICE Class 7 (Machinery), with 2 filings. The full distribution across all 2 classes is shown in the Nice Class Distribution panel on this page.
Who owns the E4 trademark?
The most recent filings under the E4 mark are registered to LUKAS Hydraulik GmbH. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is E4 expanding into new categories?
The current WikiTrademarks Expansion Score for E4 is 22 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 E4 trademark filings?
Click the Watch Brand button at the top of this page to add E4 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 E4 to another owner · Browse all NICE classes · Most valuable brands
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