US Plant Patent PP20827
BLT04
Helleborus plant named ‘BLT04’
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
- PP20827
- Filed
- December 12, 2008
- Granted
- March 9, 2010
- Expires
- December 12, 2028
- Assignee
- AMAZING BREEDING COMPANY B V
- Inventor
- WHITE ROBIN; WHITE SUE
Abstract
A new and distinct cultivar of Helleborus plant named ‘BLT04’, characterized by its compact, upright and mounded plant habit; strong and vigorous growth habit; leaflets with distinctive venation; freely flowering habit; single pink-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 ‘BLT04’ as illustrated and described.
Read the full patent: US Plant Patent PP20827 in full — the complete specification, every figure, and the file history.