US Plant Patent PP19242
Leumayel
Leucanthemum plant named ‘Leumayel’
UNDER PATENT
Still under patent. Protection ends January 18, 2027.
Twenty years from the filing date would end on August 7, 2026. This patent earned 164 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP19242
- Filed
- August 7, 2006
- Granted
- September 16, 2008
- Expires
- January 18, 2027
- Assignee
- SYNGENTA SEEDS BV
- Inventor
- MEHRING-LEMPER MANFRED
Abstract
A new Leucanthemum plant characterized particularly as to novelty by its big, single flowers with light-yellow flower color.
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 Leucanthemum plant named ‘Leumayel,’ as substantially illustrated and described herein.
Read the full patent: US Plant Patent PP19242 in full — the complete specification, every figure, and the file history.