US Plant Patent PP23090
MELS BLUE
Stokesia plant named ‘MELS BLUE’
UNDER PATENT
Still under patent. Protection ends May 23, 2031.
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
- PP23090
- Filed
- May 23, 2011
- Granted
- September 25, 2012
- Expires
- May 23, 2031
- Inventor
- VAN HEESBEEN ADRIANUS
Abstract
A new and distinct Stokesia laevis named ‘MELS BLUE’ is disclosed, characterized by a distinctive spherical plant shape, strong plant stems, and good branching. The new cultivar is a Stokesia typically suited for ornamental container and landscape use.
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 Stokesia laevis plant named ‘MELS BLUE’ as herein illustrated and described.
Read the full patent: US Plant Patent PP23090 in full — the complete specification, every figure, and the file history.