US Plant Patent PP21351
Osiris Cafe Noir
Ligularia plant named ‘Osiris Cafe Noir’
UNDER PATENT
Still under patent. Protection ends September 16, 2029.
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
- PP21351
- Filed
- September 16, 2009
- Granted
- September 28, 2010
- Expires
- September 16, 2029
- Assignee
- FAFARD SERGE
- Inventor
- FAFARD SERGE
Abstract
A new cultivar of Ligularia dentata , ‘Osiris Café Noir’, characterized by its ovate-shaped leaves with margins that are incised and undulating with conspicuous veining, its foliage that emerges deep purple-black in color and transitions through shades of bronze before maturing to olive green, its lower leaf surfaces that are red-purple in color, its short plant height, its yellow-orange flowers that are present in late summer to early fall and its cold hardiness in U.S.D.A Zone 3.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct of Ligularia plant named ‘Osiris Café Noir’ as herein illustrated and described.
Read the full patent: US Plant Patent PP21351 in full — the complete specification, every figure, and the file history.