US Plant Patent PP16410
Esmall
Aster plant named ‘Esmall’
PUBLIC DOMAIN
Patent expired July 4, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on February 21, 2024. This patent earned 134 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16410
- Filed
- February 21, 2004
- Granted
- April 4, 2006
- Expires
- July 4, 2024
- Assignee
- ESMERALDA BREEDING BV
- Inventor
- HOOIJMAN ALOYSIUS A J
Abstract
A new and distinct cultivar of cut flower Aster plant named ‘Esmall’, characterized by its strong erect flowering stems; symmetrical branching habit; small dark green-colored foliage; uniform and freely flowering habit; decorative-type inflorescences with purple-colored ray florets; and good postproduction longevity.
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 cut flower Aster plant named ‘Esmall’, as illustrated and described.
Read the full patent: US Plant Patent PP16410 in full — the complete specification, every figure, and the file history.