US Plant Patent PP22304
Prince Charming
Polygonatum plant named ‘Prince Charming’
UNDER PATENT
Still under patent. Protection ends September 8, 2030.
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
- PP22304
- Filed
- September 8, 2010
- Granted
- December 6, 2011
- Expires
- September 8, 2030
- Assignee
- HORVATH BRENT, HORVATH THERESE LALONDE
- Inventor
- HORVATH BRENT A; HORVATH THERESE LALONDE
Abstract
A new cultivar of Polygonatum named ‘Prince Charming’ characterized by its height of about 30 cm (12 inches), its heavy and early blooming habit, its ability to bloom as a young plant, and its pronounced ridge (ligule) at the point of stem attachment on the lower leaf surface
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Polygonatum plant named ‘Prince Charming’ substantially as herein illustrated and described.
Read the full patent: US Plant Patent PP22304 in full — the complete specification, every figure, and the file history.