Arctic
Invent
Case Registry
Dashboard
Case Explorer
Back to Explorer
Update Case Entry
Manually curate individual case documents inside the PostgreSQL engine.
Case Lawsuit Title
*
Case / Trial ID Number
Jurisdiction Code
*
us
in
upc
eu
Category
*
Patent
Trademark
Copyright
Design
Filing Date
Decision Verdict Date
Court / Tribunal
Bench / Panel Judges
Petitioner / Claimant (Plaintiff)
CSPC Pharmaceutical Group Limited et al.
Respondent / Defendant
Ipsen Biopharm Ltd. et al.
Dispute Summary
CSPC Pharmaceutical Group has filed an IPR petition challenging all 15 claims of Ipsen’s U.S. Patent 11,344,552 covering a liposomal irinotecan regimen for metastatic pancreatic cancer, asserting obviousness over a suite of prior‑art references.
Outcome / Ruling
Verdict Document PDF URL
Full text judgment
Cancel
Update Case