US Plant Patent PP27984
Spireandela
Arborvitae plant named ‘Spireandela’
UNDER PATENT
Still under patent. Protection ends June 21, 2035.
Twenty years from the filing date would end on January 9, 2035. This patent earned 163 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP27984
- Filed
- January 9, 2015
- Granted
- May 9, 2017
- Expires
- June 21, 2035
- Assignee
- SEMKOW FRANKLIN D
- Inventor
- SEMKOW FRANKLIN D
Abstract
A new and distinct variety of Thuja plant (commonly known as arborvitae) named ‘Spireandela’ characterized by very dense curved foliage arranged in a loose upward spiral, very narrow columnar shape, and slow growth habit. It can be grown as a narrow hedging or specimen plant.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
The invention claimed is: 1. A new and distinct variety of Thuja plant named ‘Spireandela’ substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP27984 in full — the complete specification, every figure, and the file history.