US Plant Patent PP20881
BLT03
Helleborus plant named ‘BLT03’
UNDER PATENT
Still under patent. Protection ends December 12, 2028.
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
- PP20881
- Filed
- December 12, 2008
- Granted
- March 23, 2010
- Expires
- December 12, 2028
- Assignee
- AMAZING BREEDERS COMPANY B V
- Inventor
- WHITE ROBIN; WHITE SUE
Abstract
A new and distinct cultivar of Helleborus plant named ‘BLT03’, characterized by its upright and mounded plant habit; strong and vigorous growth habit; relatively narrow leaflets; early and freely flowering habit; single purple and light green-colored flowers; and good garden performance.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Helleborus plant named ‘BLT03’ as illustrated and described.
Read the full patent: US Plant Patent PP20881 in full — the complete specification, every figure, and the file history.