US Plant Patent PP27099
Pisa
Astrantia plant named ‘Pisa’
UNDER PATENT
Still under patent. Protection ends January 6, 2035.
Twenty years from the filing date would end on October 31, 2034. This patent earned 67 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP27099
- Filed
- October 31, 2014
- Granted
- August 23, 2016
- Expires
- January 6, 2035
- Assignee
- GEERLINGS EL, GREEN ELIK COLLECTION B V
- Inventor
- GEERLINGS EL
Abstract
A new and distinct cultivar of Astrantia plant named ‘Pisa’, characterized by its upright plant habit with long flowering stems; freely-branching habit; freely and continuous flowering habit; long flowering period; inflorescences with showy involucral bracts that are white in color; and good garden performance.
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 Astrantia plant named ‘Pisa’ as illustrated and described.
Read the full patent: US Plant Patent PP27099 in full — the complete specification, every figure, and the file history.