US Plant Patent PP20257
Rocklarwhi
Saxifraga plant named ‘Rocklarwhi’
UNDER PATENT
Still under patent. Protection ends April 18, 2028.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP20257
- Filed
- April 18, 2008
- Granted
- September 1, 2009
- Expires
- April 18, 2028
- Assignee
- SYNGENTA SEEDS BV
- Inventor
- GUTTER MARTIEN EVERETT
Abstract
A new Saxifraga plant named ‘Rocklarwhi,’ particularly distinguished by its completely white flower color, very big flower size, early flowering, and compact plant habit.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of Saxifraga plant named ‘Rocklarwhi,’ as substantially illustrated and described herein.
Read the full patent: US Plant Patent PP20257 in full — the complete specification, every figure, and the file history.