Thursday, June 11, 2026

Patent intelligence · WO

WO 03105839

VERWENDUNG VON RIBAVIRIN ZUR HERSTELLUNG EINER PHARMAZEUTISCHEN ZUSAMMENSETZUNG GEGEN BUNYAVIRIDAE

expired A61K 31/ 41 A IA61K/3141A61K31/41
Status expired
Linked drugs 1
Pipeline programs 6
Years to expiry 0
Applicant portfolio 2
Patent details — WO 03105839
Jurisdiction
WO
Status
expired
Grant date
Dec 24, 2003
Expiration
Dec 19, 2023
CPC classes
A61K 31/ 41 A I, A61K/3141, A61K31/41
View on Google Patents ↗

Quick answer

WO 03105839 (VERWENDUNG VON RIBAVIRIN ZUR HERSTELLUNG EINER PHARMAZEUTISCHEN ZUSAMMENSETZUNG GEGEN BUNYAVIRIDAE) is held by BIOPARTNERS GMBH [CH]. Status: expired. Granted Dec 24, 2003. Expires Dec 19, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
CPC classes
A61K 31/ 41 A I, A61K/3141, A61K31/41

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Frequently asked questions

What is US patent 03105839?

WO 03105839 (VERWENDUNG VON RIBAVIRIN ZUR HERSTELLUNG EINER PHARMAZEUTISCHEN ZUSAMMENSETZUNG GEGEN BUNYAVIRIDAE) is held by BIOPARTNERS GMBH [CH]. Status: expired. Granted Dec 24, 2003. Expires Dec 19, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns WO 03105839?

BIOPARTNERS GMBH [CH] is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 2 pharmaceutical patents for this assignee.

When does WO 03105839 expire?

Our index shows an expiration date of Dec 19, 2023 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.