US Plant Patent PP15844
Jack of Hearts
Calla lily plant named ‘Jack of Hearts’
PUBLIC DOMAIN
Patent expired February 29, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on January 27, 2024. This patent earned 33 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15844
- Filed
- January 27, 2004
- Granted
- July 5, 2005
- Expires
- February 29, 2024
- Assignee
- BLOOMZ LTD
- Inventor
- WARREN ANDREW GEOFFREY FIENNES; SPAANS JACOBUS PETRUS
Abstract
A calla lily plant particularly distinguished by red spathe and maculated leaves.
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 PP15844 in full — the complete specification, every figure, and the file history.