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)
Taiwan Semiconductor Manufacturing Company, Ltd.
Respondent / Defendant
Advanced Integrated Circuit Process LLC
Dispute Summary
TSMC has filed an IPR petition seeking cancellation of 21 claims of the ’623 patent, arguing that dummy‑via and dual‑damascene features were anticipated or obvious over multiple prior‑art references. The petition lists detailed grounds under §§102 and 103 and requests the Board to institute the review.
Outcome / Ruling
Verdict Document PDF URL
Full text judgment
Cancel
Update Case