EF holds 15 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 41 (Education & Entertainment) with 5 filings. The WikiTrademarks Expansion Score is 40/100, moderate — the brand is steadily adding adjacent classes.
USPTO data refreshed July 7, 2026
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Sign in to claimHow is EF filing trademarks, and where is the portfolio expanding?
Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
2 records| Date | From | To |
|---|---|---|
| Apr 4, 2017 |
SIGNUM INTERNATIONAL S.À R.L.
|
SIGNUM INTERNATIONAL AG
LUZERN,
|
| Jan 6, 2017 |
SIGNUM INTERNATIONAL S.À R.L.
|
SIGNUM INTERNATIONAL AG
LUZERN
|
Recent Filings
Weekly visibility reports showing how ChatGPT mentions EF, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: EF trademark portfolio
What trademarks does EF hold?
EF holds 15 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 41 (Education & Entertainment), Class 42 (Science & Technology), Class 35 (Advertising & Business). The most recent filings are registered to Ya Ya Creations, Inc..
How many trademarks does EF have at the USPTO?
WikiTrademarks tracks 15 USPTO trademark filings attributed to EF. The brand has been actively filing since August 1994. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does EF file most often?
EF's most active class is NICE Class 41 (Education & Entertainment), with 5 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the EF trademark?
The most recent filings under the EF mark are registered to Ya Ya Creations, Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is EF expanding into new categories?
The current WikiTrademarks Expansion Score for EF is 40 out of 100, which is moderate — the brand is steadily adding adjacent classes. 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 EF trademark filings?
Click the Watch Brand button at the top of this page to add EF 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 EF to another owner · Browse all NICE classes · Most valuable brands
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