US Plant Patent PP27949
Blackhawks
Andropogon gerardii plant named ‘Blackhawks’
UNDER PATENT
Still under patent. Protection ends December 15, 2035.
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
- PP27949
- Filed
- December 15, 2015
- Granted
- April 25, 2017
- Expires
- December 15, 2035
- Assignee
- HORVATH BRENT ARPAD
- Inventor
- HORVATH BRENT ARPAD
Abstract
A new, distinct Andropogon gerardii plant as shown and described, characterized by a more upright plant with a height of 150 cm or less, dark green colored foliage with purple-red tips and joints, and purple fall color that turns deep purple, compared to parent plant.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new, distinct Andropogon gerardii plant as shown and described, characterized by a more upright plant with a height of 150 cm or less, dark green colored foliage with purple-red tips and joints, and purple fall color that turns deep purple, compared to parent plant.
Read the full patent: US Plant Patent PP27949 in full — the complete specification, every figure, and the file history.