US Plant Patent PP21017
ST-5
Bermudagrass ‘ST-5’
UNDER PATENT
Still under patent. Protection ends August 19, 2028.
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
- PP21017
- Filed
- August 19, 2008
- Granted
- May 25, 2010
- Expires
- August 19, 2028
- Assignee
- UNIV GEORGIA RES FOUND
- Inventor
- HANNA WAYNE WILLIAM; BRAMAN S KRISTINE
Abstract
Bermudagrass ‘ST-5’ is provided. The new and distinct dwarf variety has excellent shade tolerance, superior tawny mole cricket non-preference, small seed heads, and thrives in hot and humid conditions. The asexually reproduced triploid variety is reliably propagated vegetatively.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. The new and distinct variety of the bermudagrass ‘ST-5’ plant as described and illustrated herein.
Read the full patent: US Plant Patent PP21017 in full — the complete specification, every figure, and the file history.