US Plant Patent PP26664
20123-5D
Calendula plant named ‘20123-5D’
UNDER PATENT
Still under patent. Protection ends September 5, 2034.
Twenty years from the filing date would end on May 29, 2034. This patent earned 99 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP26664
- Filed
- May 29, 2014
- Granted
- April 26, 2016
- Expires
- September 5, 2034
- Assignee
- NISHIKAWA KOICHIRO
- Inventor
- NISHIKAWA KOICHIRO
Abstract
A new cultivar of Calendula plant, ‘20123-5D’, that is characterized by its strong, compact, creeping plant habit, its double flowers that are a blend of pale yellow and light peach in color, its long flowering time; blooming for 9 months from spring into winter in Noordwijkerhout, The Netherlands, its very high tolerance to powdery mildew, and its very high tolerance to heat and cold, withstanding temperatures below −20° C. in the winter, and its ability to be readily propagated by stem cuttings.
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 variety of Calendula plant named ‘20123-5D’ as described and illustrated herein.
Read the full patent: US Plant Patent PP26664 in full — the complete specification, every figure, and the file history.