Wednesday, June 10, 2026

Patent intelligence · EP

EP 4529925

CORTEXOLON-17-ALPHA-PROPIONAT ZUR BEHANDLUNG VON AKNEIFORMEN ERUPTEN

granted A61K 9/ 00 A IA61K 31/ 573 A IA61K/31573A61K/4706
Status granted
Years to expiry 19
Patent details — EP 4529925
Jurisdiction
EP
Status
granted
Grant date
Apr 2, 2025
Expiration
Mar 28, 2045
CPC classes
A61K 9/ 00 A I, A61K 31/ 573 A I, A61K/31573, A61K/4706
View on Google Patents ↗

Quick answer

EP 4529925 (CORTEXOLON-17-ALPHA-PROPIONAT ZUR BEHANDLUNG VON AKNEIFORMEN ERUPTEN) is held by CASSIOPEA S P A [IT]. Status: granted. Granted Apr 2, 2025. Expires Mar 28, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
CPC classes
A61K 9/ 00 A I, A61K 31/ 573 A I, A61K/31573, A61K/4706, A61K/4710, A61K/4714

Frequently asked questions

What is US patent 4529925?

EP 4529925 (CORTEXOLON-17-ALPHA-PROPIONAT ZUR BEHANDLUNG VON AKNEIFORMEN ERUPTEN) is held by CASSIOPEA S P A [IT]. Status: granted. Granted Apr 2, 2025. Expires Mar 28, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns EP 4529925?

CASSIOPEA S P A [IT] is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews.

When does EP 4529925 expire?

Our index shows an expiration date of Mar 28, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.