AMBRX holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals) with 1 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 6, 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 |
|---|---|---|---|---|---|
| 90487620 | AMBRX | Jan 25, 2021 | Registered | 005 Pharmaceuticals | Ambrx, Inc. |
| 90487621 | AMBRX | Jan 25, 2021 | Pending | 042 Science & Technology | Ambrx, Inc. |
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FAQ: AMBRX trademark portfolio
What trademarks does AMBRX hold?
AMBRX 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 Ambrx, Inc..
How many trademarks does AMBRX have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to AMBRX. The brand has been actively filing since January 2021. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does AMBRX file most often?
AMBRX'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 AMBRX trademark?
The most recent filings under the AMBRX mark are registered to Ambrx, Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is AMBRX expanding into new categories?
The current WikiTrademarks Expansion Score for AMBRX 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 AMBRX trademark filings?
Click the Watch Brand button at the top of this page to add AMBRX 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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