US Plant Patent PP21053
Metolius
Mint plant named ‘Metolius’
UNDER PATENT
Still under patent. Protection ends August 3, 2028.
Twenty years from the filing date would end on April 10, 2028. This patent earned 115 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP21053
- Filed
- April 10, 2008
- Granted
- June 8, 2010
- Expires
- August 3, 2028
- Assignee
- A M TODD COMPANY
- Inventor
- LIU JIE; HOLMGREN DEVEN; MORRIS MARK
Abstract
A new and distinct variety of Mentha canadensis (‘Metolius’) is characterized by its unique oil chemistry and flavor profile resembling that of peppermint oil, and by its tolerance to Verticillium wilt ( Verticillium dahliae ) and mint rust ( Puccinia menthae ). DNA microsatellite marker analysis has shown that ‘Metolius’ is a distinct variety of M. canadensis.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Mentha canadensis plant named ‘Metolius’ substantially as herein described and illustrated.
Read the full patent: US Plant Patent PP21053 in full — the complete specification, every figure, and the file history.