Asio 5

Asio 5

Asian pear tree named ‘Asio 5’

PUBLIC DOMAIN

Patent expired August 11, 2026. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on May 16, 2026. This patent earned 87 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP18976, the photograph of Asio 5 printed in the patent.

Figure 1 from US Plant Patent PP18976, 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.

Abstract

A new and distinct cultivar of Asian Pear tree is provided. The new cultivar forms attractive excellent quality late mid-season large to extra-large truncate to oblate fruit having a uniform russet surface with prominent tan lenticels and a very sweet rich flavor. The tree is medium to large-sized and possesses a vigorous well-branched spreading growth habit. The leaves are medium green in coloration and possess pinnate venation and an acuminate apex. The fruit of the new cultivar has been found to be capable of storage for a longer period of time than most Asian Pear cultivars.

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

1. A new and distinct Asian Pear tree that possesses the following combination of characteristics: (a) forms attractive late to mid-season large to extra-large truncate to oblate fruit having a uniform orange-brown russet surface with prominent tan lenticels and a very sweet rich flavor, (b) forms a medium to large-sized tree having a well-branched spreading growth habit, and (c) forms generally ovate medium green leaves with pinnate venation and an acuminate apex; substantially as herein shown and described.

Read the full patent: US Plant Patent PP18976 in full — the complete specification, every figure, and the file history.

The record

Abstract