US Plant Patent PP15367
Polbress
Polemonium plant named ‘Polbress’
PUBLIC DOMAIN
Patent expired June 23, 2023. This plant is in the public domain — anyone may propagate and sell it.
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
- PP15367
- Filed
- June 23, 2003
- Granted
- November 23, 2004
- Expires
- June 23, 2023
- Assignee
- BLOOMS OF BRESSINGHAM LTD
- Inventor
- BLOOM ADRIAN; GOODERHAM PAUL
Abstract
A distinct cultivar of Polemonium plant named ‘Polbress’, characterized by its upright plant habit; strong and erect flowering stems; purple-colored foliage; freely flowering habit; and light violet blue-colored flowers with bright yellow-colored anthers.
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 Polemonium plant named ‘Polbress’, as illustrated and described.
Read the full patent: US Plant Patent PP15367 in full — the complete specification, every figure, and the file history.