US Plant Patent PP29608
Snow Queen
Passiflora plant named ‘Snow Queen’
UNDER PATENT
Still under patent. Protection ends November 18, 2036.
Twenty years from the filing date would end on October 20, 2036. This patent earned 29 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP29608
- Filed
- October 20, 2016
- Granted
- August 21, 2018
- Expires
- November 18, 2036
- Assignee
- IRVINE MYLES S
- Inventor
- IRVINE MYLES S
Abstract
A new variety of Passiflora named ‘Snow Queen’ that is characterized by large entirely white flowers consisting of white petals, white sepals and white corona filaments. The petals and sepals of ‘Snow Queen’ are thick and waxy. ‘Snow Queen’ is highly floriferous, hardy in USDA zone 8b, vigorous and bears strong dark green leathery foliage.
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 Passiflora plant named ‘Snow Queen’ as illustrated and described herein.
Read the full patent: US Plant Patent PP29608 in full — the complete specification, every figure, and the file history.