US Plant Patent PP15744
Mini Penny
Hydrangea macrophylla plant named ‘Mini Penny’
PUBLIC DOMAIN
Patent expired December 17, 2023. 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
- PP15744
- Filed
- December 17, 2003
- Granted
- May 3, 2005
- Expires
- December 17, 2023
- Assignee
- UNIV GEORGIA RES FOUND
- Inventor
- DIRR MICHAEL A
Abstract
Hydrangea macrophylla ‘Mini Penny’ is a mophead with compact, mounded habit, leathery, lustrous dark green, mildew resistant leaves, which reblooms on new growth without the need for cool temperatures and short days.
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 Hydrangea macrophylla plant, substantially as herein described and illustrated.
Read the full patent: US Plant Patent PP15744 in full — the complete specification, every figure, and the file history.