US Plant Patent PP14450
Clackamas
Mint plant named ‘Clackamas’
PUBLIC DOMAIN
Patent expired July 12, 2022. This plant is in the public domain — anyone may propagate and sell it.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP14450
- Filed
- July 12, 2002
- Granted
- January 6, 2004
- Expires
- July 12, 2022
- Assignee
- A M TODD COMPANY
- Inventor
- MORRIS MARK
Abstract
A new and distinct peppermint plant ‘Clackamas’ characterized by its resistance to Mint rust ( Puccinia menthe Pers), Mint wilt ( Ferticillium dahliae and Verticillium albo - atrum ), and Spider mites as well as a more upright growth habit and a lighter green color the Black Mitcham peppermint plant.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct variety of Mentha×piperita plant named ‘Clackamas’ substantially as shown and described herein.
Read the full patent: US Plant Patent PP14450 in full — the complete specification, every figure, and the file history.