US Plant Patent PP19253

DT23

Dianella tasmanica plant named ‘DT23’

PUBLIC DOMAIN

Patent expired August 29, 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 200 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP19253, the photograph of DT23 printed in the patent. — Figure 1 from US Plant Patent PP19253, 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: PP19253
Filed: February 10, 2006
Granted: September 23, 2008
Expires: August 29, 2026
Assignee: LAYT TODD ANTHONY
Inventor: LAYT TODD ANTHONY

Abstract

‘DT23’ is a distinctive variety of Dianella tasmanica, which is characterized by its combination of compact form, green leaf color, broad leaf width, strong leaf arching, green summer basal sheath color with red-brown margin, and large bluish-purple 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 tasmanica plant named ‘DT23’, substantially as described and illustrated herein.

Read the full patent: US Plant Patent PP19253 in full — the complete specification, every figure, and the file history.