US Plant Patent PP35787
Prismatic Pink
Phlox plant named ‘Prismatic Pink’
UNDER PATENT
Still under patent. Protection ends August 3, 2043.
Twenty years from the filing date would end on April 17, 2043. This patent earned 108 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP35787
- Filed
- April 17, 2023
- Granted
- April 30, 2024
- Expires
- August 3, 2043
- Assignee
- WALTERS GARDENS INC, HANSEN HANS A
- Inventor
- HANSEN HANS A
Abstract
A unique cultivar of Tall Phlox plant named ‘Prismatic Pink’ is characterized by vigorous, dense, upright, highly branched peduncles, with dark-green, lanceolate leaves. Flowering begins in mid-July and continues for up to about six weeks in cooler weather conditions, on heavily-branched peduncles, and completely covers the top of the plant in peak season. Flower petals are bubblegum pink with a dark pink 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 ‘Prismatic Pink’, as herein described and illustrated.
Read the full patent: US Plant Patent PP35787 in full — the complete specification, every figure, and the file history.