US Plant Patent PP16563
BCA 3-21
Artichoke plant named ‘BCA 3-21’
PUBLIC DOMAIN
Patent expired April 3, 2023. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on February 20, 2023. This patent earned 42 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16563
- Filed
- February 20, 2003
- Granted
- May 23, 2006
- Expires
- April 3, 2023
- Assignee
- CHAHBANDAR MEDHAT
- Inventor
- CHAHBANDAR MEDHAT
Abstract
A new and distinct cultivar of Artichoke plant named ‘BCA 3-21’ characterized by more compact shape than its parent, Camus. It has more daughter plants and shoots than Camus. Its bract coloration is distinctive with a violet or purple tip on a light green base.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. The new distinct variety of artichoke plant substantially as shown and described, characterized particularly as to novelty by the characteristics listed above.
Read the full patent: US Plant Patent PP16563 in full — the complete specification, every figure, and the file history.