Patent intelligence · US
US 11918654
Solid solution compositions and use in severe pain
Solid solution compositions and use in severe pain
Patent details — US 11918654
- Jurisdiction
- US
- Status
- granted
- Grant date
- Mar 5, 2024
- Expiration
- Feb 29, 2044
- Applicant
- Infirst Healthcare Limited
- Claims
- 20
- CPC classes
- A61K, A61K31/121, A61K31/137, A61K31/167
Quick answer
US 11918654 (Solid solution compositions and use in severe pain) is held by Infirst Healthcare Limited. Status: granted. Granted Mar 5, 2024. Expires Feb 29, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- Infirst Healthcare Limited
- Grant date
- Expiration
- Claims
- 20
- CPC classes
- A61K, A61K31/121, A61K31/137, A61K31/167, A61K31/192, A61K31/196
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Frequently asked questions
What is US patent 11918654?
US 11918654 (Solid solution compositions and use in severe pain) is held by Infirst Healthcare Limited. Status: granted. Granted Mar 5, 2024. Expires Feb 29, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 11918654?
Infirst Healthcare Limited is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 123 pharmaceutical patents for this assignee.
When does US 11918654 expire?
Our index shows an expiration date of Feb 29, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.