12 Nov 2025

Alston & Bird Wins Federal Circuit Appeal for Resideo, Itron and Ademco in Smart Thermostat Patent Dispute

"Alston & Bird secured a Federal Circuit victory for Resideo, Itron and Ademco in a smart thermostat patent dispute. The court affirmed the PTAB's invalidation of the asserted patent claims and held that this ruling mooted a separate ITC determination on noninfringement."

Alston & Bird represented Resideo, Itron and Ademco in appellate proceedings arising from inter partes review and a related International Trade Commission matter. The firm obtained a favorable ruling from the U.S. Court of Appeals for the Federal Circuit in a patent dispute concerning smart thermostat technology. The litigation encompassed an appeal of a final written decision of the Patent Trial and Appeal Board (PTAB) and a related appeal involving a final determination by the International Trade Commission (ITC). The clients had prevailed at both the PTAB and the ITC, and the plaintiff appealed seeking to overturn those decisions. The Federal Circuit affirmed the PTAB's final written decision that the asserted claims of the plaintiff's patent are invalid. The court further concluded that its ruling on the PTAB decision rendered moot the separate ITC final determination that the asserted patents were not infringed. Alston & Bird represented Resideo, Itron, and Ademco with a team composed by: partners Kirk Bradley and Ben Pleune; partners Chris Douglas and Scott Stevens; and senior associate Lauren Griffin — Intellectual Property practice.
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