US Plant Patent PP22960
Lord Clayton
Phlox plant named ‘Lord Clayton’
UNDER PATENT
Still under patent. Protection ends January 14, 2031.
Twenty years from the filing date would end on November 22, 2030. This patent earned 53 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP22960
- Filed
- November 22, 2010
- Granted
- August 14, 2012
- Expires
- January 14, 2031
- Assignee
- PLANTS NOUVEAU LLC, CLAYTON TAMMY
- Inventor
- CLAYTON TAMMY
Abstract
A new and distinct cultivar of Phlox plant named ‘Lord Clayton’, characterized by its bushy yet upright plant habit, its strong and almost black colored stems, its deep purple colored leaves in spring, its medium sized and long lasting cherry red colored flowers, and its tolerance to powdery mildew.
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 Phlox plant named ‘Lord Clayton’ as herein illustrated and described.
Read the full patent: US Plant Patent PP22960 in full — the complete specification, every figure, and the file history.