US Plant Patent PP16203
Goruzam
Golden and burgundy variegated pigmy Barberry plant named ‘Goruzam’
PUBLIC DOMAIN
Patent expired October 23, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on June 15, 2024. This patent earned 130 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16203
- Filed
- June 15, 2004
- Granted
- January 17, 2006
- Expires
- October 23, 2024
- Assignee
- ZAMPINI JAMES W
- Inventor
- ZAMPINI JAMES W
Abstract
A new and distinct variety of Berberis thunbergii plant is provided that was the result of controlled breeding. A dwarf, generally compact, broad, and low-mounding growth habit is displayed. New foliage bears a bright red-purple coloration, and the mature foliage displays attractive variegation. The margins of the mature foliage are golden and the center is dark burgundy. A rapid growth rate between internodes of relatively short length is displayed. The plant is well suited for providing attractive ornamentation in the landscape.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Barberry plant having the following combination of characteristics: (a) exhibits a rapid growth rate between internodes of relatively short length, (b) exhibits a dwarf, generally compact, broad, and low-mounding growth habit, (c) forms new foliage having a bright red-purple coloration, and (d) forms attractive variegated mature leaves having golden margins and a dark burgundy center; substantially as illustrated and described.
Read the full patent: US Plant Patent PP16203 in full — the complete specification, every figure, and the file history.