US Plant Patent PP30215
DL1501
Thunbergia plant named ‘DL1501’
UNDER PATENT
Still under patent. Protection ends July 6, 2037.
Twenty years from the filing date would end on June 21, 2037. This patent earned 15 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP30215
- Filed
- June 21, 2017
- Granted
- February 19, 2019
- Expires
- July 6, 2037
- Assignee
- LEVAC DENIS
- Inventor
- LEVAC DENIS
Abstract
A new and distinct cultivar of Thunbergia plant named ‘DL1501’, characterized by its upright and vining plant habit; freely branching habit; dense and bushy plant form; freely flowering habit; large yellow orange and greyed orange bi-colored flowers; and good garden performance.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct Thunbergia plant named ‘DL1501’ as illustrated and described.
Read the full patent: US Plant Patent PP30215 in full — the complete specification, every figure, and the file history.