Wednesday, July 8, 2026

Patent intelligence · US

US 6593394

Bioactive and osteoporotic bone cement

expired A61KA61K6/838A61K6/887
Status expired
Linked drugs 1
Pipeline programs 6
Years to expiry 0
Applicant portfolio 16
Patent details — US 6593394

Quick answer

US 6593394 (Bioactive and osteoporotic bone cement) is held by Prosperous Kingdom Limited. Status: expired. Granted Jul 15, 2003. Expires Jul 10, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
10
CPC classes
A61K, A61K6/838, A61K6/887

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Frequently asked questions

What is US patent 6593394?

US 6593394 (Bioactive and osteoporotic bone cement) is held by Prosperous Kingdom Limited. Status: expired. Granted Jul 15, 2003. Expires Jul 10, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6593394?

Prosperous Kingdom Limited is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 16 pharmaceutical patents for this assignee.

When does US 6593394 expire?

Our index shows an expiration date of Jul 10, 2023 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.