Patent intelligence · US
US 6498154
Cyclic regimens using quinazolinone and benzoxazine derivatives
Cyclic regimens using quinazolinone and benzoxazine derivatives
Patent details — US 6498154
- Jurisdiction
- US
- Status
- expired
- Grant date
- Dec 24, 2002
- Expiration
- Dec 19, 2022
- Applicant
- Ligand Pharmaceuticals Incorporated
- Claims
- 17
- CPC classes
- A61K, A61K31/565, A61K31/57, A61K45/06
Quick answer
US 6498154 (Cyclic regimens using quinazolinone and benzoxazine derivatives) is held by Ligand Pharmaceuticals Incorporated. Status: expired. Granted Dec 24, 2002. Expires Dec 19, 2022 (0 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- Ligand Pharmaceuticals Incorporated
- Grant date
- Expiration
- Claims
- 17
- CPC classes
- A61K, A61K31/565, A61K31/57, A61K45/06, A61P, A61P15/18
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Frequently asked questions
What is US patent 6498154?
US 6498154 (Cyclic regimens using quinazolinone and benzoxazine derivatives) is held by Ligand Pharmaceuticals Incorporated. Status: expired. Granted Dec 24, 2002. Expires Dec 19, 2022 (0 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 6498154?
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 6498154 expire?
Our index shows an expiration date of Dec 19, 2022 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.