US Plant Patent PP19955
Murasaki-29
Sweetpotato plant named ‘Murasaki-29’
UNDER PATENT
Still under patent. Protection ends October 18, 2027.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP19955
- Filed
- October 18, 2007
- Granted
- April 28, 2009
- Expires
- October 18, 2027
- Assignee
- UNIV LOUISIANA STATE
- Inventor
- LABONTE DON R; VILLORDON ARTHUR Q; CLARK CHRISTOPHER A
Abstract
A new variety of sweetpotato identified as ‘Murasaki-29’ is disclosed having disease resistance to southern root-knot nematode and soil rot, a white flesh, and purple skin.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of Iponoea batatas plant named ‘Murasaki-29’ as described and illustrated in the specification herein.
Read the full patent: US Plant Patent PP19955 in full — the complete specification, every figure, and the file history.