US Plant Patent PP36816
RUDBSUN303
Rudbeckia plant named ‘RUDBSUN303’
UNDER PATENT
Still under patent. Protection ends January 24, 2045.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP36816
- Filed
- January 24, 2025
- Granted
- July 8, 2025
- Expires
- January 24, 2045
- Inventor
- HOLTMAAT HENRICUS MARIA JOSEPH
Abstract
A new cultivar of Rudbeckia plant named ‘RUDBSUN303’ that is characterized by its short plant height, its compact plant habit, its inflorescences with bi-colored ray florets with red towards the centers and yellow towards the distal end, its blooming that commences early in the season, and its floriferous blooming habit.
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 cultivar of Rudbeckia plant named ‘RUDBSUN303’ substantially as herein illustrated and described.
Read the full patent: US Plant Patent PP36816 in full — the complete specification, every figure, and the file history.