Wednesday, July 8, 2026

Patent intelligence · US

US 7666581

Methods for preparing compositions comprising heat shock proteins useful for the treatment of cancer and infectious disease

granted A61KA61K2039/55577A61K2039/6031A61K2039/6043
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 4
Applicant portfolio 179
Patent details — US 7666581
Jurisdiction
US
Status
granted
Grant date
Feb 23, 2010
Expiration
Feb 18, 2030
Claims
46
CPC classes
A61K, A61K2039/55577, A61K2039/6031, A61K2039/6043
View on Google Patents ↗

Quick answer

US 7666581 (Methods for preparing compositions comprising heat shock proteins useful for the treatment of cancer and infectious disease) is held by University of Connecticut Health Center. Status: granted. Granted Feb 23, 2010. Expires Feb 18, 2030 (4 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
46
CPC classes
A61K, A61K2039/55577, A61K2039/6031, A61K2039/6043, A61K39/0011, A61P

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Frequently asked questions

What is US patent 7666581?

US 7666581 (Methods for preparing compositions comprising heat shock proteins useful for the treatment of cancer and infectious disease) is held by University of Connecticut Health Center. Status: granted. Granted Feb 23, 2010. Expires Feb 18, 2030 (4 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 7666581?

University of Connecticut Health Center is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 179 pharmaceutical patents for this assignee.

When does US 7666581 expire?

Our index shows an expiration date of Feb 18, 2030 (4 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.