US Plant Patent PP16221
Redock Dark
Chrysanthemum plant named ‘Redock Dark’
PUBLIC DOMAIN
Patent expired January 31, 2023. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on July 23, 2021. This patent earned 557 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16221
- Filed
- July 23, 2001
- Granted
- January 31, 2006
- Expires
- January 31, 2023
- Assignee
- CHRYSANTHEMUM BREEDERS ASS NV
- Inventor
- NOODELIJK ROBERT
Abstract
A Chrysanthemum plant named ‘Redock Dark’ characterized by its medium sized blooms with pink ray-florets and yellow-green disc florets.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of chrysanthemum plant as described and illustrated.
Read the full patent: US Plant Patent PP16221 in full — the complete specification, every figure, and the file history.