US Plant Patent PP16244
Back in Black
Agapanthus plant named ‘Back in Black’
PUBLIC DOMAIN
Patent expired November 3, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on October 19, 2024. This patent earned 15 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16244
- Filed
- October 19, 2004
- Granted
- February 7, 2006
- Expires
- November 3, 2024
- Assignee
- WITTEMAN & CO
- Inventor
- ZONNEVELD PIET JOHANNES HENDRI
Abstract
A new and distinct cultivar of Agapanthus plant named ‘Back in Black’ characterized by its strong, mostly upright, long and black-colored scapes; umbels with numerous violet blue-colored flowers; and freely flowering habit.
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 Agapanthus plant named ‘Back in Black’, as illustrated and described.
Read the full patent: US Plant Patent PP16244 in full — the complete specification, every figure, and the file history.