US Plant Patent PP15784
TiLav Improved
Impatiens plant named ‘TiLav Improved’
PUBLIC DOMAIN
Patent expired March 24, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on February 20, 2024. This patent earned 33 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15784
- Filed
- February 20, 2004
- Granted
- June 7, 2005
- Expires
- March 24, 2024
- Inventor
- COSNER HARLAN B; COSNER SUSAN
Abstract
A new double impatiens walleriana plant named ‘TiLav Improved’; producing lavender flowers; dark green foliage; medium-vigorous growth habit; fully double flowers held above or beyond the foliage on strong peduncles and pedicels; and a compact mounded growth habit.
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 double impatiens walleriana plant named ‘TiLav Improved’, as illustrated and described.
Read the full patent: US Plant Patent PP15784 in full — the complete specification, every figure, and the file history.