SELLAS holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals) with 1 filings. The WikiTrademarks Expansion Score is 3/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed August 6, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
1 record| Date | From | To |
|---|---|---|
| Jul 13, 2017 |
SELLAS LIFE SCIENCES GROUP AG
|
SELLAS LIFE SCIENCES GROUP LTD.
HAMILTON
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 86863987 | SELLAS | Jan 03, 2016 | Pending | 005 Pharmaceuticals 042 Science & Technology | SLSG LIMITED LLC |
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FAQ: SELLAS trademark portfolio
What trademarks does SELLAS hold?
SELLAS holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals), Class 42 (Science & Technology). The most recent filings are registered to SLSG LIMITED LLC.
How many trademarks does SELLAS have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to SELLAS. The brand has been actively filing since January 2016. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does SELLAS file most often?
SELLAS's most active class is NICE Class 5 (Pharmaceuticals), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the SELLAS trademark?
The most recent filings under the SELLAS mark are registered to SLSG LIMITED LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is SELLAS expanding into new categories?
The current WikiTrademarks Expansion Score for SELLAS is 3 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 SELLAS trademark filings?
Click the Watch Brand button at the top of this page to add SELLAS 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 SELLAS to another owner · Browse all NICE classes · Most valuable brands
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