US Plant Patent PP18605
TANA
Cordyline plant named ‘TANA’
PUBLIC DOMAIN
Patent expired September 9, 2026. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on May 19, 2026. This patent earned 113 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP18605
- Filed
- May 19, 2006
- Granted
- March 18, 2008
- Expires
- September 9, 2026
- Assignee
- LLOYD EVAN DAVID
- Inventor
- LLOYD EVAN DAVID
Abstract
A new cultivar of CORDYLINE plant named ‘TANA’ whose leaves are deep purple to black in color with a pronounced glossy upper surface and whose growth habit is strongly clump forming. In combination these characteristics distinguish ‘TANA’ from all other varieties of CORDYLINE known to the inventor.
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 CORDYLINE plant named ‘TANA’ as described and illustrated herein.
Read the full patent: US Plant Patent PP18605 in full — the complete specification, every figure, and the file history.