IONIS PHARMACEUTICALS holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology) 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 July 8, 2026
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Sign in to claimHow is IONIS PHARMACEUTICALS filing trademarks, and where is the portfolio expanding?
Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
1 record| Date | From | To |
|---|---|---|
| Jan 25, 2016 |
ISIS PHARMACEUTICALS, INC.
|
IONIS PHARMACEUTICALS, INC.
CARLSBAD, CALIFORNIA
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 86838421 | IONIS PHARMACEUTICALS | Dec 03, 2015 | Pending | 042 Science & Technology | IONIS PHARMACEUTICALS, INC. |
| 86838402 | IONIS PHARMACEUTICALS | Dec 03, 2015 | Pending | 005 Pharmaceuticals | IONIS PHARMACEUTICALS, INC. |
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FAQ: IONIS PHARMACEUTICALS trademark portfolio
What trademarks does IONIS PHARMACEUTICALS hold?
IONIS PHARMACEUTICALS holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology), Class 5 (Pharmaceuticals). The most recent filings are registered to IONIS PHARMACEUTICALS, INC..
How many trademarks does IONIS PHARMACEUTICALS have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to IONIS PHARMACEUTICALS. The brand has been actively filing since December 2015. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does IONIS PHARMACEUTICALS file most often?
IONIS PHARMACEUTICALS's most active class is NICE Class 42 (Science & Technology), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the IONIS PHARMACEUTICALS trademark?
The most recent filings under the IONIS PHARMACEUTICALS mark are registered to IONIS PHARMACEUTICALS, INC.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is IONIS PHARMACEUTICALS expanding into new categories?
The current WikiTrademarks Expansion Score for IONIS PHARMACEUTICALS 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 IONIS PHARMACEUTICALS trademark filings?
Click the Watch Brand button at the top of this page to add IONIS PHARMACEUTICALS 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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