US Plant Patent PP21042
Esm Rena
Gypsophila plant named ‘Esm Rena’
UNDER PATENT
Still under patent. Protection ends October 22, 2028.
Twenty years from the filing date would end on September 25, 2027. This patent earned 393 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP21042
- Filed
- September 25, 2007
- Granted
- June 1, 2010
- Expires
- October 22, 2028
- Assignee
- ESMERALDA BREEDING BV
- Inventor
- HOOIJMAN ALOYSIUS A J
Abstract
A new and distinct cultivar of Gypsophila plant named ‘Esm Rena’, characterized by its erect and strong flowering stems; early, uniform and freely flowering habit; large luminous white-colored flowers with numerous petals and petaloids; and good postproduction longevity.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Gypsophila plant named ‘Esm Rena’ as illustrated and described.
Read the full patent: US Plant Patent PP21042 in full — the complete specification, every figure, and the file history.