US Plant Patent PP21766
PPP LETN 09
Chrysanthemum plant named ‘PPP LETN 09’
UNDER PATENT
Still under patent. Protection ends August 6, 2029.
Twenty years from the filing date would end on August 1, 2029. This patent earned 5 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP21766
- Filed
- August 1, 2009
- Granted
- March 8, 2011
- Expires
- August 6, 2029
- Assignee
- PARATY BVBA
- Inventor
- PIETERS DIRK
Abstract
A new and distinct Chrysanthemum plant cultivar is disclosed, characterized by large decorative type inflorescences, consistent flowering response to short days, blooming consistently after 49 days of short day length, yellow ray florets, free branching habit, and a consistent natural season flowering habit during the first week of September.
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 Chrysanthemum plant named ‘PPP LETN 09’ as herein illustrated and described.
Read the full patent: US Plant Patent PP21766 in full — the complete specification, every figure, and the file history.