US Plant Patent PP21401
Ascot Rainbow
Euphorbia plant named ‘Ascot Rainbow’
UNDER PATENT
Still under patent. Protection ends July 22, 2029.
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
- PP21401
- Filed
- July 22, 2009
- Granted
- October 19, 2010
- Expires
- July 22, 2029
- Assignee
- GLENN DAVID
- Inventor
- GLENN DAVID
Abstract
A new cultivar of Euphorbia plant named ‘ASCOT RAINBOW’ that is distinguishable by compact slightly spreading habit, red stems, and variegated cream-yellow and gray-green foliage that turns red-pink with the onset of winter. In combination these traits set ‘ASCOT RAINBOW’ apart from all other existing varieties of Euphorbia known to the inventor.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Euphorbia plant named ‘ASCOT RAINBOW’ as described and illustrated herein.
Read the full patent: US Plant Patent PP21401 in full — the complete specification, every figure, and the file history.