FIBROGEN holds 4 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals) with 3 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 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 |
|---|---|---|---|---|---|
| 90328258 | FIBROGEN | Nov 18, 2020 | Pending | 001 Chemicals 005 Pharmaceuticals | KYNTRA BIO, INC. |
| 77728286 | FIBROGEN | May 04, 2009 | Abandoned | 005 Pharmaceuticals | KYNTRA BIO, INC. |
| 78466454 | FIBROGEN | Aug 12, 2004 | Pending | 001 Chemicals 002 Paints & Coatings 005 Pharmaceuticals 010 Medical Devices | FibroGen, Inc. |
| 75479950 | FIBROGEN | May 05, 1998 | Pending | 001 Chemicals | FIBROGEN, INC. |
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FAQ: FIBROGEN trademark portfolio
What trademarks does FIBROGEN hold?
FIBROGEN holds 4 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals), Class 5 (Pharmaceuticals), Class 2 (Paints & Coatings). The most recent filings are registered to KYNTRA BIO, INC..
How many trademarks does FIBROGEN have at the USPTO?
WikiTrademarks tracks 4 USPTO trademark filings attributed to FIBROGEN. The brand has been actively filing since May 1998. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does FIBROGEN file most often?
FIBROGEN's most active class is NICE Class 1 (Chemicals), with 3 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the FIBROGEN trademark?
The most recent filings under the FIBROGEN mark are registered to KYNTRA BIO, INC.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is FIBROGEN expanding into new categories?
The current WikiTrademarks Expansion Score for FIBROGEN 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 FIBROGEN trademark filings?
Click the Watch Brand button at the top of this page to add FIBROGEN 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.
More on this portfolio: Compare FIBROGEN to another owner · Browse all NICE classes · Most valuable brands
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