US Plant Patent PP24689
Mercury Rising
Coreopsis plant named ‘Mercury Rising’
UNDER PATENT
Still under patent. Protection ends February 28, 2033.
Twenty years from the filing date would end on September 13, 2032. This patent earned 168 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP24689
- Filed
- September 13, 2012
- Granted
- July 22, 2014
- Expires
- February 28, 2033
- Assignee
- PROBST DARRELL R
- Inventor
- PROBST DARRELL R
Abstract
A new cultivar of hybrid Coreopsis named ‘Mercury Rising’ characterized by its exhibits large inflorescences with ray florets that are solid red in color throughout the growing season with white tips appearing when plants are grown under hot temperatures, its vigorous growth habit with healthy foliage, its low growing plant habit, spreading outward from above ground stems that are well branched, its reliably perennial growth habit and cold hardiness at least in U.S.D.A. Zone 5, and its very good resistance to powdery mildew and leaf spot.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct cultivar of Coreopsis plant named ‘Mercury Rising’ as herein illustrated and described.
Read the full patent: US Plant Patent PP24689 in full — the complete specification, every figure, and the file history.