US Plant Patent PP15262
Dynaster
Aster plant named ‘Dynaster’
PUBLIC DOMAIN
Patent expired May 19, 2023. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on May 1, 2023. This patent earned 18 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15262
- Filed
- May 1, 2003
- Granted
- October 26, 2004
- Expires
- May 19, 2023
- Assignee
- CHRYSANTHEMUM BREEDERS ASS NV
- Inventor
- VAN STRAALEN HARRY W M; POLAND WILFRIED J
Abstract
An Aster plant named ‘Dynaster’ characterized by its medium sized blooms with violet-blue ray-florets and yellow disc florets, which can be propagated by means of cuttings from cuttings and produced within a short period.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct variety of Aster plant as described and illustrated.
Read the full patent: US Plant Patent PP15262 in full — the complete specification, every figure, and the file history.