PROLEUKIN holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals) with 2 filings. The WikiTrademarks Expansion Score is 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 9, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 86330987 | PROLEUKIN | Jul 08, 2014 | Abandoned | 005 Pharmaceuticals | IOVANCE BIOTHERAPEUTICS MANUFACTURING LLC |
| 73523710 | PROLEUKIN | Feb 25, 1985 | Abandoned | 005 Pharmaceuticals | IOVANCE BIOTHERAPEUTICS MANUFACTURING LLC |
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FAQ: PROLEUKIN trademark portfolio
What trademarks does PROLEUKIN hold?
PROLEUKIN holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals). The most recent filings are registered to IOVANCE BIOTHERAPEUTICS MANUFACTURING LLC.
How many trademarks does PROLEUKIN have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to PROLEUKIN. The brand has been actively filing since February 1985. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does PROLEUKIN file most often?
PROLEUKIN's most active class is NICE Class 5 (Pharmaceuticals), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the PROLEUKIN trademark?
The most recent filings under the PROLEUKIN mark are registered to IOVANCE BIOTHERAPEUTICS MANUFACTURING LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is PROLEUKIN expanding into new categories?
The current WikiTrademarks Expansion Score for PROLEUKIN is 0 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 PROLEUKIN trademark filings?
Click the Watch Brand button at the top of this page to add PROLEUKIN 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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