US Plant Patent PP16531
Sunjest
Nephrolepis plant named ‘Sunjest’
PUBLIC DOMAIN
Patent expired March 2, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on February 11, 2025. This patent earned 19 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16531
- Filed
- February 11, 2005
- Granted
- May 9, 2006
- Expires
- March 2, 2025
- Assignee
- SUNLET NURSERY INC
- Inventor
- KISTER JOHN
Abstract
A new and distinct cultivar of Nephrolepis plant named ‘Sunjest’, characterized by its mostly upright and somewhat outwardly arching plant habit; uniform and symmetrical in form; compact and dense growth habit; fronds that are somewhat curled with flexible rachis; and dark green-colored pinnae that are incised and spaced closely together.
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 Nephrolepis plant named ‘Sunjest’, as illustrated and described.
Read the full patent: US Plant Patent PP16531 in full — the complete specification, every figure, and the file history.