US Plant Patent PP20412
Redshift
Coreopsis plant named ‘Redshift’
UNDER PATENT
Still under patent. Protection ends October 1, 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
- PP20412
- Filed
- October 1, 2008
- Granted
- October 13, 2009
- Expires
- October 1, 2028
- Assignee
- PROBST DARRELL R
- Inventor
- PROBST DARRELL R
Abstract
A new cultivar of hybrid Coreopsis named ‘Redshift’ characterized its large inflorescences that are light yellow in color with a burgundy red eye zone during the warm growing season with the ray florets becoming flushed with burgundy red to solid burgundy red when cool temperatures in fall, its sturdy stems, its vigorous growth habit, and its perennial habit and cold hardiness to at least to U.S.D.A. 5.
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 Coreopsis plant named ‘Redshift’ as herein illustrated and described.
Read the full patent: US Plant Patent PP20412 in full — the complete specification, every figure, and the file history.