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The Patent Garden

US Plant Patent PP18328

PJM Pink Delight

Rhododendron plant named ‘PJM Pink Delight’

PUBLIC DOMAIN

Patent expired June 12, 2026. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on May 25, 2026. This patent earned 18 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP18328, the photograph of PJM Pink Delight printed in the patent.
Figure 1 from US Plant Patent PP18328, reproduced as printed. Photographs in a plant patent are taken by the applicant. Reproduction of the patent document is permitted; the image is shown whole and uncropped for that reason.

The record

Patent number
PP18328
Filed
May 25, 2006
Granted
December 18, 2007
Expires
June 12, 2026
Assignee
REARDON NURSERY INC
Inventor
REARDON MICHAEL D

Abstract

A new and distinct cultivar of Rhododendron plant characterized by its pink lavender flowers in terminal rounded trusses, deep mahogany purple winter leaves, and upright, dense growth habit.

Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.

1. A new and distinct Rhododendron plant as herein illustrated and described.

Read the full patent: US Plant Patent PP18328 in full — the complete specification, every figure, and the file history.