Wednesday, June 10, 2026

Patent intelligence · EP

EP 1655027

Verwendung von 9-(N-methyl-piperidyliden-4)-thioxanthene zur Behandlung von pulmoler Hypertension und Migräne

expired A61K 31/ 4535 A IA61K/314535A61P 1/ 00 A IA61P 9/ 00 A I
Status expired
Years to expiry 0
Applicant portfolio 13
Patent details — EP 1655027
Jurisdiction
EP
Status
expired
Grant date
May 10, 2006
Expiration
May 5, 2026
CPC classes
A61K 31/ 4535 A I, A61K/314535, A61P 1/ 00 A I, A61P 9/ 00 A I
View on Google Patents ↗

Quick answer

EP 1655027 (Verwendung von 9-(N-methyl-piperidyliden-4)-thioxanthene zur Behandlung von pulmoler Hypertension und Migräne) is held by BIOFRONTERA PHARMACEUTICALS GM [DE]. Status: expired. Granted May 10, 2006. Expires May 5, 2026 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
CPC classes
A61K 31/ 4535 A I, A61K/314535, A61P 1/ 00 A I, A61P 9/ 00 A I, A61P 9/ 08 A I, A61P 15/ 00 A I

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Frequently asked questions

What is US patent 1655027?

EP 1655027 (Verwendung von 9-(N-methyl-piperidyliden-4)-thioxanthene zur Behandlung von pulmoler Hypertension und Migräne) is held by BIOFRONTERA PHARMACEUTICALS GM [DE]. Status: expired. Granted May 10, 2006. Expires May 5, 2026 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns EP 1655027?

BIOFRONTERA PHARMACEUTICALS GM [DE] is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 13 pharmaceutical patents for this assignee.

When does EP 1655027 expire?

Our index shows an expiration date of May 5, 2026 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.