US Plant Patent PP20217
Yellow Jacket BLZ
Calla lily plant named ‘Yellow Jacket BLZ’
UNDER PATENT
Still under patent. Protection ends February 26, 2028.
Twenty years from the filing date would end on February 7, 2028. This patent earned 19 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP20217
- Filed
- February 7, 2008
- Granted
- August 18, 2009
- Expires
- February 26, 2028
- Assignee
- BLOOMZ LTD
- Inventor
- WARREN ANDREW G F; SPAANS JACOBUS P
Abstract
A calla lily plant particularly distinguished by yellow spathes, high density maculation of the leaves that is visible from both sides of the leaf and produces 2 to 4 inflorescences per 3-cm tuber, is described.
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 calla lily plant as shown and described herein.
Read the full patent: US Plant Patent PP20217 in full — the complete specification, every figure, and the file history.