Definitive Holdings v. PowerTEQ — Federal Circuit Affirms Engine Tuning Patent Invalidity Under On-Sale Bar
The Federal Circuit affirmed that U.S. Patent No. 8,458,689 — covering methods and apparatus for reprogramming automotive engine controllers — was invalid under the pre-AIA on-sale bar, holding that source code commands are not hearsay and that selling a device embodying a patented method triggers t