Wednesday, July 8, 2026

Patent intelligence · US

US 6815458

Azacyclic compounds

expired A61KA61K31/40A61K31/445A61K31/55
Status expired
Linked drugs 2
Pipeline programs 6
Years to expiry 0
Applicant portfolio 77
Patent details — US 6815458
Jurisdiction
US
Status
expired
Grant date
Nov 9, 2004
Expiration
Nov 4, 2024
Claims
48
CPC classes
A61K, A61K31/40, A61K31/445, A61K31/55
View on Google Patents ↗

Quick answer

US 6815458 (Azacyclic compounds) is held by ACADIA Pharmaceuticals Inc.. Status: expired. Granted Nov 9, 2004. Expires Nov 4, 2024 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
48
CPC classes
A61K, A61K31/40, A61K31/445, A61K31/55, A61P, A61P25/00

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Frequently asked questions

What is US patent 6815458?

US 6815458 (Azacyclic compounds) is held by ACADIA Pharmaceuticals Inc.. Status: expired. Granted Nov 9, 2004. Expires Nov 4, 2024 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6815458?

ACADIA Pharmaceuticals Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 77 pharmaceutical patents for this assignee.

When does US 6815458 expire?

Our index shows an expiration date of Nov 4, 2024 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.