Clearing Up the Confusion?
In re Alappat (CAFC 1994)
- Old feud between the PTO & CAFC revived.
- Invention - method of manipulating pixel intensity in a way that smooths the appearance of images on a digital oscilloscope screen.
- PTO rejected, CAFC reversed.
- CAFC expressly discussed apparatus claims.
- Said unsure whether algorithm analysis applied, but applied it anyway.