US Plant Patent PP34506
Backlight
Phlox plant named ‘Backlight’
UNDER PATENT
Still under patent. Protection ends September 11, 2041.
Twenty years from the filing date would end on June 29, 2041. This patent earned 74 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP34506
- Filed
- June 29, 2021
- Granted
- August 16, 2022
- Expires
- September 11, 2041
- Assignee
- WALTERS GARDENS INC, HANSEN HANS A
- Inventor
- HANSEN HANS A
Abstract
A unique cultivar of Tall Phlox plant named ‘Backlight’ characterized by vigorous, dense, upright, multi-stemmed, winter-hardy habit with dark-green, lanceolate leaves. Flowering begins in late-July and continuing for up to five weeks in cooler weather conditions, on heavily-branched peduncles and completely cover the top of the plant in peak season. Petals are white with a pale yellow eye. The new plant shows excellent powdery mildew resistance. The new plant is especially suitable for a cut flower, for the landscape as a potted plant and in the garden as a specimen or en masse.
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 cultivar of Tall Phlox, Phlox plant named ‘Backlight’, as herein described and illustrated.
Read the full patent: US Plant Patent PP34506 in full — the complete specification, every figure, and the file history.