ATARA BIO 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 19/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed July 16, 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 |
|---|---|---|---|---|---|
| 99776851 | ATARA BIO | Apr 21, 2026 | Registered | 005 Pharmaceuticals | Atara Biotherapeutics, Inc. |
| 90664858 | ATARA BIO | Apr 22, 2021 | Registered | 005 Pharmaceuticals | Atara Biotherapeutics, Inc. |
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FAQ: ATARA BIO trademark portfolio
What trademarks does ATARA BIO hold?
ATARA BIO holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals). The most recent filings are registered to Atara Biotherapeutics, Inc..
How many trademarks does ATARA BIO have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to ATARA BIO. The brand has been actively filing since April 2021. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does ATARA BIO file most often?
ATARA BIO'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 ATARA BIO trademark?
The most recent filings under the ATARA BIO mark are registered to Atara Biotherapeutics, Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is ATARA BIO expanding into new categories?
The current WikiTrademarks Expansion Score for ATARA BIO is 19 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 ATARA BIO trademark filings?
Click the Watch Brand button at the top of this page to add ATARA BIO 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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