US Plant Patent PP14926
Edge of Night
Zantedeschia plant named ‘Edge of Night’
PUBLIC DOMAIN
Patent expired November 23, 2022. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on August 15, 2022. This patent earned 100 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP14926
- Filed
- August 15, 2002
- Granted
- June 22, 2004
- Expires
- November 23, 2022
- Assignee
- TERRA NOVA NURSERIES INC
- Inventor
- HEIMS DANIEL M; PATTERSON FRANK
Abstract
A new and distinct Zantedeschia plant named ‘Edge of Night’, having striking, extremely dark purple, almost black, spathes, leaf margins and petioles.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct variety of Zantedeschia plant substantially as shown and described.
Read the full patent: US Plant Patent PP14926 in full — the complete specification, every figure, and the file history.