US Plant Patent PP31157
KERCALTAN
Calendula plant named ‘KERCALTAN’
UNDER PATENT
Still under patent. Protection ends October 25, 2038.
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
- PP31157
- Filed
- October 25, 2018
- Granted
- December 3, 2019
- Expires
- October 25, 2038
- Assignee
- KERLEY DAVID, KERLEY TIMOTHY, KERLEY PRISCILLA, KERLEY SARAH
- Inventor
- KERLEY TIMOTHY; KERLEY SARAH; KERLEY DAVID; KERLEY PRISCILLA
Abstract
A Calendula plant named ‘KERCALTAN’ is disclosed, characterized by bright orange double flowers composed of only ray florets. Plants have an attractive spreading habit and flower prolifically. The flowering period is exceptionally long, from around early Spring until mid to late Fall. Plants are useful for outdoor ornamental purposes, normally produced as an outdoor garden or container plant.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct variety of Calendula plant named ‘KERCALTAN’ as described and shown herein.
Read the full patent: US Plant Patent PP31157 in full — the complete specification, every figure, and the file history.