US Plant Patent PP16306
Sumdia 03
Diascia plant named ‘Sumdia 03’
PUBLIC DOMAIN
Patent expired January 1, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on October 19, 2024. This patent earned 74 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16306
- Filed
- October 19, 2004
- Granted
- March 7, 2006
- Expires
- January 1, 2025
- Assignee
- SCHRAEDER RALF
- Inventor
- SCHRAEDER RALF
Abstract
A new and distinct cultivar of Diascia plant named ‘Sumdia 03’, characterized by its compact, upright and outwardly spreading plant habit; freely branching habit; freely and early flowering habit; intense purplish red-colored flowers; and good temperature tolerance.
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 Diascia plant named ‘Sumdia 03’, as illustrated and described.
Read the full patent: US Plant Patent PP16306 in full — the complete specification, every figure, and the file history.