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US Plant Patent PP16318

Yoballad

Aster plant named ‘Yoballad’

PUBLIC DOMAIN

Patent expired February 11, 2025. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on January 28, 2025. This patent earned 14 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP16318, the photograph of Yoballad printed in the patent.
Figure 1 from US Plant Patent PP16318, 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
PP16318
Filed
January 28, 2005
Granted
March 7, 2006
Expires
February 11, 2025
Inventor
SMITH MARK A

Abstract

A new and distinct cultivar of Aster plant named ‘Yoballad’, characterized by its uniform, outwardly spreading and mounded plant habit; freely branching growth habit; dark green-colored foliage; uniform flowering habit; natural flowering season around September 2 nd ; daisy-type inflorescences with violet blue-colored ray florets; resistance to Powdery Mildew; and good garden performance.

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

1. A new and distinct cultivar of Aster plant named ‘Yoballad’, as illustrated and described.

Read the full patent: US Plant Patent PP16318 in full — the complete specification, every figure, and the file history.