US Plant Patent PP22280
Masterpiece
Iberis plant named ‘Masterpiece’
UNDER PATENT
Still under patent. Protection ends July 16, 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
- PP22280
- Filed
- July 16, 2010
- Granted
- November 29, 2011
- Expires
- July 16, 2030
- Assignee
- RICHARDS RODNEY W
- Inventor
- RICHARDS RODNEY W
Abstract
A new cultivar of Iberis, ‘Masterpiece’, characterized by its strong, densely branched, and stocky vegetation, its very long flowering period, blooming from at least April to August in the U.K., its large white inflorescences that fade to pale pink, its cold hardiness at least to 6° F., and its mildew resistance.
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 Iberis plant named ‘Masterpiece’ as herein illustrated and described.
Read the full patent: US Plant Patent PP22280 in full — the complete specification, every figure, and the file history.