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Patent
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Petitioner / Claimant (Plaintiff)
Target Corporation
Respondent / Defendant
HEADWATER RESEARCH LLC
Dispute Summary
The PTAB held that all 18 claims of Headwater’s ’042 patent are unpatentable, finding them obvious over a combination of prior‑art references Limont, Wright, Xu and Polson.
Outcome / Ruling
all challenged claims unpatentable
Verdict Document PDF URL
Full text judgment
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