US Plant Patent PP22092
Blueberry Muffin
Ajuga plant named ‘Blueberry Muffin’
UNDER PATENT
Still under patent. Protection ends January 5, 2030.
Twenty years from the filing date would end on December 14, 2029. This patent earned 22 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP22092
- Filed
- December 14, 2009
- Granted
- August 23, 2011
- Expires
- January 5, 2030
- Assignee
- TERRA NOVA NURSERIES INC
- Inventor
- KORLIPARA HARINI
Abstract
A new and distinct cultivar of Ajuga reptans characterized by its combination of outstanding vigor, small chocolate brown narrow leaves, and a mounding, creeping habit.
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 Ajuga plant substantially as shown and described.
Read the full patent: US Plant Patent PP22092 in full — the complete specification, every figure, and the file history.