Wednesday, June 10, 2026

Patent intelligence · EP

EP 1311248

TRANSDERMALES THERAPEUTISCHES SYSTEM ZUR BEHANDLUNG DES RESTLESS-LEGS-SYNDROMS

expired A61K 9/ 70 A IA61K 31/ 48 A IA61K 31/ 437 A IA61K 47/ 02 A I
Status expired
Years to expiry 0
Applicant portfolio 8
Patent details — EP 1311248
Jurisdiction
EP
Status
expired
Grant date
May 21, 2003
Expiration
May 16, 2023
CPC classes
A61K 9/ 70 A I, A61K 31/ 48 A I, A61K 31/ 437 A I, A61K 47/ 02 A I
View on Google Patents ↗

Quick answer

EP 1311248 (TRANSDERMALES THERAPEUTISCHES SYSTEM ZUR BEHANDLUNG DES RESTLESS-LEGS-SYNDROMS) is held by NEUROBIOTEC GMBH [DE]. Status: expired. Granted May 21, 2003. Expires May 16, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
CPC classes
A61K 9/ 70 A I, A61K 31/ 48 A I, A61K 31/ 437 A I, A61K 47/ 02 A I, A61K 47/ 04 A I, A61K 47/ 06 A I

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Frequently asked questions

What is US patent 1311248?

EP 1311248 (TRANSDERMALES THERAPEUTISCHES SYSTEM ZUR BEHANDLUNG DES RESTLESS-LEGS-SYNDROMS) is held by NEUROBIOTEC GMBH [DE]. Status: expired. Granted May 21, 2003. Expires May 16, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns EP 1311248?

NEUROBIOTEC GMBH [DE] is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 8 pharmaceutical patents for this assignee.

When does EP 1311248 expire?

Our index shows an expiration date of May 16, 2023 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.