US Plant Patent PP25457
Gostmazam
Cornus plant named ‘Gostmazam’
UNDER PATENT
Still under patent. Protection ends June 24, 2033.
Twenty years from the filing date would end on March 13, 2033. This patent earned 103 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP25457
- Filed
- March 13, 2013
- Granted
- April 21, 2015
- Expires
- June 24, 2033
- Assignee
- Lake Country Nursery, ZAMPINI JAMES W
- Inventor
- ZAMPINI JAMES W
Abstract
A new cultivar of Cornus , ‘Gostmazam’, is that characterized by its variegated foliage with green centers and gold to creamy white margins, its stems that are bright coral red in winter, its upright and rounded plant habit, its fruit that is white and blue tinted, its yellowish white flowers, and its vigorous growth habit.
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 Cornus plant named ‘Gostmazam’ as herein illustrated and described.
Read the full patent: US Plant Patent PP25457 in full — the complete specification, every figure, and the file history.