US Plant Patent PP25609
Midruzam
Berberis plant named ‘Midruzam’
UNDER PATENT
Still under patent. Protection ends September 21, 2033.
Twenty years from the filing date would end on March 13, 2033. This patent earned 192 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP25609
- Filed
- March 13, 2013
- Granted
- June 2, 2015
- Expires
- September 21, 2033
- Assignee
- Lake Country Nursery, ZAMPINI JAMES W
- Inventor
- ZAMPINI JAMES W
Abstract
A new cultivar of Berberis , ‘Midruzam’, characterized by its low growing, compact, and rounded plant habit, its very slow growth habit, its foliage that is dark burgundy in color in summer and turns red in color in the fall, and its lack of flower and fruit production.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct cultivar of Berberis plant named ‘Midruzam’ as herein illustrated and described.
Read the full patent: US Plant Patent PP25609 in full — the complete specification, every figure, and the file history.