Patent intelligence · US
US 7521545
Azo compounds and process for production thereof
Azo compounds and process for production thereof
Patent details — US 7521545
- Jurisdiction
- US
- Status
- granted
- Grant date
- Apr 21, 2009
- Expiration
- Apr 16, 2029
- Applicant
- Takeda Pharmaceutical Company Limited
- Claims
- 7
- CPC classes
- A61P, A61P25/00
Quick answer
US 7521545 (Azo compounds and process for production thereof) is held by Takeda Pharmaceutical Company Limited. Status: granted. Granted Apr 21, 2009. Expires Apr 16, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- Takeda Pharmaceutical Company Limited
- Grant date
- Expiration
- Claims
- 7
- CPC classes
- A61P, A61P25/00
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Frequently asked questions
What is US patent 7521545?
US 7521545 (Azo compounds and process for production thereof) is held by Takeda Pharmaceutical Company Limited. Status: granted. Granted Apr 21, 2009. Expires Apr 16, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 7521545?
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 7521545 expire?
Our index shows an expiration date of Apr 16, 2029 (3 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.