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Case / Trial ID Number
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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)
SHENZHEN QIANFENYI INTELLIGENT TECHNOLOGY CO., LTD.
Respondent / Defendant
Wacom Co. Ltd.
Dispute Summary
Shenzhen Qianfenyi petitions the PTAB to invalidate Wacom’s 2018 stylus patent, asserting that its tilt‑detection claims are obvious over prior‑art Yoshida combined with either Ikeda or Iguchi. The petition lists two 35 U.S.C. §103 grounds covering 21 claims.
Outcome / Ruling
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