Patent intelligence · US
US 12257277
Adeno-associated virus formulations
Adeno-associated virus formulations
Patent details — US 12257277
- Jurisdiction
- US
- Status
- granted
- Grant date
- Mar 25, 2025
- Expiration
- Mar 20, 2045
- Applicant
- Takeda Pharmaceutical Company Limited
- Claims
- 27
- CPC classes
- A61K, A61K31/195, A61K35/76, A61K47/02
Quick answer
US 12257277 (Adeno-associated virus formulations) is held by Takeda Pharmaceutical Company Limited. Status: granted. Granted Mar 25, 2025. Expires Mar 20, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- Takeda Pharmaceutical Company Limited
- Grant date
- Expiration
- Claims
- 27
- CPC classes
- A61K, A61K31/195, A61K35/76, A61K47/02, A61K47/18, A61K47/183
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Frequently asked questions
What is US patent 12257277?
US 12257277 (Adeno-associated virus formulations) is held by Takeda Pharmaceutical Company Limited. Status: granted. Granted Mar 25, 2025. Expires Mar 20, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 12257277?
Takeda Pharmaceutical Company Limited is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 1,436 pharmaceutical patents for this assignee.
When does US 12257277 expire?
Our index shows an expiration date of Mar 20, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.