US Plant Patent PP21171
Ditomfra
Phlox plant named ‘Ditomfra’
UNDER PATENT
Still under patent. Protection ends January 7, 2029.
Twenty years from the filing date would end on November 28, 2028. This patent earned 40 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP21171
- Filed
- November 28, 2008
- Granted
- July 20, 2010
- Expires
- January 7, 2029
- Assignee
- KOLSTER BEHEER B V
- Inventor
- TONIES HUBERTUS JOSEPHUS
Abstract
A new and distinct cultivar of Phlox plant named ‘Ditomfra’, characterized by its compact and upright plant habit; freely branching and flowering habit; strong stems; large dark pink-colored flowers; and tolerance to Downy Mildew.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Phlox plant named ‘Ditomfra’ as illustrated and described.
Read the full patent: US Plant Patent PP21171 in full — the complete specification, every figure, and the file history.