FLX 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 3/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 23, 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 |
|---|---|---|---|---|---|
| 87687389 | FLX BIO | Nov 16, 2017 | Pending | 005 Pharmaceuticals 042 Science & Technology | RAPT THERAPEUTICS, INC. |
| 87687456 | FLX BIO | Nov 16, 2017 | Pending | 005 Pharmaceuticals | RAPT THERAPEUTICS, INC. |
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FAQ: FLX BIO trademark portfolio
What trademarks does FLX BIO hold?
FLX BIO holds 2 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 RAPT THERAPEUTICS, INC..
How many trademarks does FLX BIO have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to FLX BIO. The brand has been actively filing since November 2017. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does FLX BIO file most often?
FLX 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 FLX BIO trademark?
The most recent filings under the FLX BIO mark are registered to RAPT THERAPEUTICS, INC.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is FLX BIO expanding into new categories?
The current WikiTrademarks Expansion Score for FLX BIO 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 FLX BIO trademark filings?
Click the Watch Brand button at the top of this page to add FLX 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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