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US Plant Patent PP18883

DTN03

Dianella revoluta plant named ‘DTN03’

PUBLIC DOMAIN

Patent expired April 7, 2026. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on February 10, 2026. This patent earned 56 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP18883, the photograph of DTN03 printed in the patent.
Figure 1 from US Plant Patent PP18883, 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
PP18883
Filed
February 10, 2006
Granted
June 3, 2008
Expires
April 7, 2026
Assignee
VERSASCAPES L L C
Inventor
LAYT TODD ANTHONY

Abstract

‘DTN03’ is a distinctive variety of Dianella revoluta, which is characterized by its combination of bluish-green leaf color, strong leaf glaucosity, very short height, erect growth habit, very dense shoots with very short internodes, and narrow leaf blade. Pale blue flowers on stems up to 50 cm high typically develop in spring and early summer and are followed by green berries.

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

1. A new and distinct variety of Dianella revoluta plant named ‘DTN03’, substantially as described and illustrated herein.

Read the full patent: US Plant Patent PP18883 in full — the complete specification, every figure, and the file history.