US Plant Patent PP17178
NOTHOWLEE
Euphorbia plant named ‘NOTHOWLEE’
PUBLIC DOMAIN
Patent expired September 13, 2025. This plant is in the public domain — anyone may propagate and sell it.
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
- PP17178
- Filed
- September 13, 2005
- Granted
- October 31, 2006
- Expires
- September 13, 2025
- Assignee
- HOWARD MARK, LEEDING SIMON
- Inventor
- HOWARD MARK; LEEDING SIMON
Abstract
A new cultivar of Euphorbia named ‘NOTHOWLEE’ that is distinguished by a compact clumping growth habit, dark purple foliage, and terminal cymes that open into bronze floral heads that completely cover the plant from May through summer. In combination, these characteristics provide a long period of garden interest and set ‘NOTHOWLEE’ 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 ‘NOTHOWLEE’ as described and illustrated.
Read the full patent: US Plant Patent PP17178 in full — the complete specification, every figure, and the file history.