US Plant Patent PP16913
Durio
Caryopteris plant named ‘Durio’
PUBLIC DOMAIN
Patent expired March 13, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on March 10, 2025. This patent earned 3 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16913
- Filed
- March 10, 2005
- Granted
- August 1, 2006
- Expires
- March 13, 2025
- Assignee
- SPRING MEADOW NURSERY INC
- Inventor
- DURIO DALTON E
Abstract
A new and distinct cultivar of Caryopteris plant named ‘Durio’, characterized by its upright, outwardly spreading and mounded plant habit; freely branching growth habit; relatively large leaves; and numerous large pink-colored flowers.
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 Caryopteris plant named ‘Durio’, as illustrated and described.
Read the full patent: US Plant Patent PP16913 in full — the complete specification, every figure, and the file history.