Wednesday, June 10, 2026

Patent intelligence · EP

EP 1255725

5-AMINOLÄVULINSÄURE-FORMULIERUNG IN NICHTWÄSSRIGEN LÖSUNGSMITTELN

expired A61K 9/ 00 A IA61K 9/ 02 A IA61K 9/ 06 A IA61K 9/ 08 A I
Status expired
Years to expiry 0
Applicant portfolio 13
Patent details — EP 1255725
Jurisdiction
EP
Status
expired
Grant date
Nov 13, 2002
Expiration
Nov 8, 2022
CPC classes
A61K 9/ 00 A I, A61K 9/ 02 A I, A61K 9/ 06 A I, A61K 9/ 08 A I
View on Google Patents ↗

Quick answer

EP 1255725 (5-AMINOLÄVULINSÄURE-FORMULIERUNG IN NICHTWÄSSRIGEN LÖSUNGSMITTELN) is held by ASAT AG APPLIED SCIENCE & TECH [CH]. Status: expired. Granted Nov 13, 2002. Expires Nov 8, 2022 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
CPC classes
A61K 9/ 00 A I, A61K 9/ 02 A I, A61K 9/ 06 A I, A61K 9/ 08 A I, A61K 9/ 107 A I, A61K 31/ 197 A I

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Frequently asked questions

What is US patent 1255725?

EP 1255725 (5-AMINOLÄVULINSÄURE-FORMULIERUNG IN NICHTWÄSSRIGEN LÖSUNGSMITTELN) is held by ASAT AG APPLIED SCIENCE & TECH [CH]. Status: expired. Granted Nov 13, 2002. Expires Nov 8, 2022 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns EP 1255725?

ASAT AG APPLIED SCIENCE & TECH [CH] is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 13 pharmaceutical patents for this assignee.

When does EP 1255725 expire?

Our index shows an expiration date of Nov 8, 2022 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.