TLSN holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 2 filings. The WikiTrademarks Expansion Score is 10/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed July 2, 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 |
|---|---|---|---|---|---|
| 99407272 | TLSN | Sep 23, 2025 | Registered | 009 Electronics & Software 041 Education & Entertainment 042 Science & Technology | Stiftung Ethereum (Foundation Ethereum) |
| 99381984 | TLSN | Sep 09, 2025 | Registered | 009 Electronics & Software 041 Education & Entertainment 042 Science & Technology | Stiftung Ethereum (Foundation Ethereum) |
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FAQ: TLSN trademark portfolio
What trademarks does TLSN hold?
TLSN holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 41 (Education & Entertainment), Class 42 (Science & Technology). The most recent filings are registered to Stiftung Ethereum (Foundation Ethereum).
How many trademarks does TLSN have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to TLSN. The brand has been actively filing since September 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does TLSN file most often?
TLSN's most active class is NICE Class 9 (Electronics & Software), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the TLSN trademark?
The most recent filings under the TLSN mark are registered to Stiftung Ethereum (Foundation Ethereum). Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is TLSN expanding into new categories?
The current WikiTrademarks Expansion Score for TLSN is 10 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 TLSN trademark filings?
Click the Watch Brand button at the top of this page to add TLSN 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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