US Plant Patent PP15231
Thumbelina Leigh
Lavandula plant named ‘Thumbelina Leigh’
PUBLIC DOMAIN
Patent expired October 11, 2023. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on September 19, 2023. This patent earned 22 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15231
- Filed
- September 19, 2003
- Granted
- October 12, 2004
- Expires
- October 11, 2023
- Inventor
- HALL ELSIE
Abstract
A new cultivar of Lavandula angustifolia plant named ‘Thumbelina Leigh’ that is characterized by a compact rounded habit, violet-blue flowers, strong fragrance and repeat flowering. In combination, these traits set it apart from all other existing varieties of Lavandula known to the inventor.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct variety of Lavandula angustifolia plant named ‘Thumbelina Leigh’ as described and illustrated.
Read the full patent: US Plant Patent PP15231 in full — the complete specification, every figure, and the file history.