SIROLIMUSEFR 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 1/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed November 12, 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 |
|---|---|---|---|---|---|
| 98126058 | SIROLIMUSEFR | Aug 10, 2023 | Pending | 005 Pharmaceuticals | Caliber Therapeutics, LLC |
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FAQ: SIROLIMUSEFR trademark portfolio
What trademarks does SIROLIMUSEFR hold?
SIROLIMUSEFR holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals). The most recent filings are registered to Caliber Therapeutics, LLC.
How many trademarks does SIROLIMUSEFR have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to SIROLIMUSEFR. The brand has been actively filing since August 2023. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does SIROLIMUSEFR file most often?
SIROLIMUSEFR'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 SIROLIMUSEFR trademark?
The most recent filings under the SIROLIMUSEFR mark are registered to Caliber Therapeutics, LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is SIROLIMUSEFR expanding into new categories?
The current WikiTrademarks Expansion Score for SIROLIMUSEFR is 1 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 SIROLIMUSEFR trademark filings?
Click the Watch Brand button at the top of this page to add SIROLIMUSEFR 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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