Patent intelligence · US
US 6358948
Quinazolinone and benzoxazine derivatives as progesterone receptor modulators
Quinazolinone and benzoxazine derivatives as progesterone receptor modulators
Patent details — US 6358948
- Jurisdiction
- US
- Status
- expired
- Grant date
- Mar 19, 2002
- Expiration
- Mar 14, 2022
- Applicant
- Ligand Pharmaceuticals Incorporated
- Claims
- 18
- CPC classes
- A61K, A61K31/4704, A61K31/517, A61K31/536
Quick answer
US 6358948 (Quinazolinone and benzoxazine derivatives as progesterone receptor modulators) is held by Ligand Pharmaceuticals Incorporated. Status: expired. Granted Mar 19, 2002. Expires Mar 14, 2022 (0 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- Ligand Pharmaceuticals Incorporated
- Grant date
- Expiration
- Claims
- 18
- CPC classes
- A61K, A61K31/4704, A61K31/517, A61K31/536, A61P, A61P35/00
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Frequently asked questions
What is US patent 6358948?
US 6358948 (Quinazolinone and benzoxazine derivatives as progesterone receptor modulators) is held by Ligand Pharmaceuticals Incorporated. Status: expired. Granted Mar 19, 2002. Expires Mar 14, 2022 (0 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 6358948?
Ligand Pharmaceuticals Incorporated is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 133 pharmaceutical patents for this assignee.
When does US 6358948 expire?
Our index shows an expiration date of Mar 14, 2022 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.