US Plant Patent PP19620
Kerwhifan
Petunia×hybrida plant named ‘Kerwhifan’
UNDER PATENT
Still under patent. Protection ends August 3, 2027.
Twenty years from the filing date would end on January 23, 2027. This patent earned 192 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP19620
- Filed
- January 23, 2007
- Granted
- January 6, 2009
- Expires
- August 3, 2027
- Assignee
- KERLEY DAVID W, KERLEY PRISCILLA G
- Inventor
- KERLEY DAVID W; KERLEY PRISCILLA G
Abstract
A new and distinct cultivar of Petunia plant named ‘Kerwhifan’, characterized by its white-colored flowers, medium green-colored foliage, moderately vigorous, spreading, and semi-trailing growth 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 Petunia plant named ‘Kerwhifan’, substantially as herein shown and described.
Read the full patent: US Plant Patent PP19620 in full — the complete specification, every figure, and the file history.