US Plant Patent PP28977
SW 227
Stevia plant named ‘SW 227’
UNDER PATENT
Still under patent. Protection ends April 7, 2036.
Twenty years from the filing date would end on March 31, 2036. This patent earned 7 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP28977
- Filed
- March 31, 2016
- Granted
- February 20, 2018
- Expires
- April 7, 2036
- Assignee
- S&W SEED COMPANY
- Inventor
- SHOCK CLINTON C; PARRIS CHERYL A
Abstract
A new and distinct Stevia rebaudiana plant named ‘SW 227’ is described. The new variety is distinguished from other Stevia varieties by high plant vigor characterized by plant anatomy with extensive stooling and branching; an excellent sweet leaf taste with very low bitterness and aftertaste; and leaves having a rebaudioside A content of 10.7%. Samples have been collected with total steviol glycoside content of 13.3%.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
We claim: 1. A new and distinct cultivar of Stevia plant named ‘SW 227’ as substantially shown and described herein.
Read the full patent: US Plant Patent PP28977 in full — the complete specification, every figure, and the file history.