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Case Lawsuit Title
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Case / Trial ID Number
Jurisdiction Code
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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 all 30 claims of ArcelorMittal’s 2021 steel‑coating patent, asserting anticipation and obviousness over multiple prior‑art references. The petition seeks cancellation of the claims and argues that discretionary denial is unwarranted.
Outcome / Ruling
Verdict Document PDF URL
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