US Plant Patent PP27121
RD09
Helleborus plant named ‘RD09’
UNDER PATENT
Still under patent. Protection ends February 11, 2035.
Twenty years from the filing date would end on November 7, 2034. This patent earned 96 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP27121
- Filed
- November 7, 2014
- Granted
- August 30, 2016
- Expires
- February 11, 2035
- Assignee
- DAVEY RODNEY, WINDSOR LYNDA
- Inventor
- DAVEY RODNEY; WINDSOR LYNDA
Abstract
A new and distinct cultivar of Helleborus plant named ‘RD09’, characterized by its upright and mounding plant habit; variegated developing leaves; uniform, continuous and freely flowering habit; dark purple-colored flowers held above the foliar plane on relatively long peduncles; and good garden performance.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct Helleborus plant named ‘RD09’ as illustrated and described.
Read the full patent: US Plant Patent PP27121 in full — the complete specification, every figure, and the file history.