ATREZLYON 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 4/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed July 6, 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 |
|---|---|---|---|---|---|
| 99552327 | ATREZLYON | Dec 17, 2025 | Registered | 005 Pharmaceuticals | Juno Therapeutics, Inc. |
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FAQ: ATREZLYON trademark portfolio
What trademarks does ATREZLYON hold?
ATREZLYON holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals). The most recent filings are registered to Juno Therapeutics, Inc..
How many trademarks does ATREZLYON have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to ATREZLYON. The brand has been actively filing since December 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does ATREZLYON file most often?
ATREZLYON'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 ATREZLYON trademark?
The most recent filings under the ATREZLYON mark are registered to Juno Therapeutics, Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is ATREZLYON expanding into new categories?
The current WikiTrademarks Expansion Score for ATREZLYON is 4 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 ATREZLYON trademark filings?
Click the Watch Brand button at the top of this page to add ATREZLYON 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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