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Case Lawsuit Title
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Case / Trial ID Number
Jurisdiction Code
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us
in
upc
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Category
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Patent
Trademark
Copyright
Design
Filing Date
Decision Verdict Date
Court / Tribunal
Bench / Panel Judges
Petitioner / Claimant (Plaintiff)
POSCO Co., Ltd. et al.
Respondent / Defendant
ArcelorMittal
Dispute Summary
POSCO has filed an IPR petition challenging ArcelorMittal’s 2021 steel‑coating patent, asserting that all 30 claims are obvious over a suite of prior‑art references covering hot‑stamped steel processes.
Outcome / Ruling
Verdict Document PDF URL
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