US Plant Patent PP33091
Sweet Bubba
Desert willow tree named ‘Sweet Bubba’
UNDER PATENT
Still under patent. Protection ends August 7, 2039.
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
- PP33091
- Filed
- August 7, 2019
- Granted
- May 25, 2021
- Expires
- August 7, 2039
- Assignee
- SHIPLEY NICHOLAS BENOIT
- Inventor
- SHIPLEY NICHOLAS BENOIT
Abstract
A new and distinct Chilopsis linearis tree named Sweet Bubba is characterized by an upright form, fast growth, dark green leaves and having flowers with crisped corollas with a distinctive red/purple color (70A, R.H.S. color chart) and blooming throughout the warm season (locally May-October). No seed production has been noted, beneficial for more flowering and less trash in the landscape.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct Chilopsis linearis tree substantially as described and illustrated herein.
Read the full patent: US Plant Patent PP33091 in full — the complete specification, every figure, and the file history.