Target Corporation v. HEADWATER RESEARCH LLC

IPR2026-00153

The PTAB held that claims 1‑18 of the ’042 patent are unpatentable, finding them obvious over a combination of Limont, Wright, Xu, and Polson references.

Jurisdiction
US PTAB
Case Number
IPR2026-00153
Judge(s)
Hyun J. Jung, Stephen E. Belisle, Russell E. Cass
Filing Date
25 November 2025

Practitioner Note

This case demonstrates the evidentiary and procedural standards applied in patent matters before local courts. Understanding the court's reasoning in Target Corporation vs HEADWATER RESEARCH LLC is valuable context for structuring arguments or assessing risk in similar proceedings.

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