CTI BIOPHARMA 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)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
1 record| Date | From | To |
|---|---|---|
| Jun 26, 2014 |
CELL THERAPEUTICS, INC.
|
CTI BIOPHARMA CORP.
SEATTLE, WASHINGTON
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 86282220 | CTI BIOPHARMA | May 15, 2014 | Pending | 005 Pharmaceuticals 041 Education & Entertainment 042 Science & Technology | CTI BIOPHARMA CORP. |
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FAQ: CTI BIOPHARMA trademark portfolio
What trademarks does CTI BIOPHARMA hold?
CTI BIOPHARMA holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals), Class 41 (Education & Entertainment), Class 42 (Science & Technology). The most recent filings are registered to CTI BIOPHARMA CORP..
How many trademarks does CTI BIOPHARMA have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to CTI BIOPHARMA. The brand has been actively filing since May 2014. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does CTI BIOPHARMA file most often?
CTI BIOPHARMA'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 CTI BIOPHARMA trademark?
The most recent filings under the CTI BIOPHARMA mark are registered to CTI BIOPHARMA CORP.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is CTI BIOPHARMA expanding into new categories?
The current WikiTrademarks Expansion Score for CTI BIOPHARMA 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 CTI BIOPHARMA trademark filings?
Click the Watch Brand button at the top of this page to add CTI BIOPHARMA 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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