US Plant Patent PP16409
Usuzumi
Petunia plant named ‘Usuzumi’
PUBLIC DOMAIN
Patent expired April 8, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on January 14, 2025. This patent earned 84 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16409
- Filed
- January 14, 2005
- Granted
- April 4, 2006
- Expires
- April 8, 2025
- Assignee
- SUNTORY FLOWERS LTD
- Inventor
- SUGII AKEMI
Abstract
A new and distinct cultivar of Petunia plant named ‘Usuzumi’, characterized by its upright and outwardly spreading plant habit; vigorous growth habit; numerous light purple-colored flowers with dark purple-colored venation and throats; long flowering period; and good garden performance.
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 Petunia plant named ‘Usuzumi’, as illustrated and described.
Read the full patent: US Plant Patent PP16409 in full — the complete specification, every figure, and the file history.