US Plant Patent PP16278
Roblel
Azalea plant named ‘Roblel’
PUBLIC DOMAIN
Patent expired January 1, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on July 13, 2024. This patent earned 172 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16278
- Filed
- July 13, 2004
- Granted
- February 21, 2006
- Expires
- January 1, 2025
- Assignee
- PLANT DEV SERVICES INC
- Inventor
- LEE ROBERT EDWARD
Abstract
A new and distinct variety of Azalea plant named ‘Roblel’, characterized by its unique blooming time, dense and globose growth habit, and attractive large single pink flowers.
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 Azalea plant named ‘Roblel’ as illustrated and described.
Read the full patent: US Plant Patent PP16278 in full — the complete specification, every figure, and the file history.