US Plant Patent PP19886
Sogo Linluo
Doritaenopsis plant named ‘Sogo Linluo’
UNDER PATENT
Still under patent. Protection ends February 8, 2027.
Twenty years from the filing date would end on July 10, 2026. This patent earned 213 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP19886
- Filed
- July 10, 2006
- Granted
- April 7, 2009
- Expires
- February 8, 2027
- Assignee
- FENG CHIANG-KUEI
- Inventor
- FENG CHIANG-KUEI
Abstract
A new and distinct cultivar of Doritaenopsis plant named ‘Sogo Linluo,’ with flowers of light yellow overlaid with pink toward base and a purple red labellum, freely flowering habit, upright, freely branching and sturdy flowering stems, and excellent postproduction longevity.
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 Doritaenopsis orchid plant named ‘Sogo Linluo’ as illustrated and described.
Read the full patent: US Plant Patent PP19886 in full — the complete specification, every figure, and the file history.