US Plant Patent PP17400
Oudshoorn 1
Aster plant named ‘Oudshoorn 1’
PUBLIC DOMAIN
Patent expired July 2, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on June 14, 2025. This patent earned 18 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP17400
- Filed
- June 14, 2005
- Granted
- February 6, 2007
- Expires
- July 2, 2025
- Assignee
- FUTURE PLANTS LICENTIE BV
- Inventor
- OUDSHOORN HUBERTUS GERARDUS
Abstract
A new and distinct cultivar of cut flower Aster plant named ‘Oudshoorn 1’, characterized by its strong flowering stems; freely flowering habit; long flowering period; daisy-type inflorescences with violet-colored ray florets; long and straight ray florets; 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 cut flower Aster plant named ‘Oudshoorn 1’, as illustrated and described.
Read the full patent: US Plant Patent PP17400 in full — the complete specification, every figure, and the file history.