US Plant Patent PP13551
Dosblu
Verbena plant named ‘Dosblu’
PUBLIC DOMAIN
Patent expired June 10, 2020. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on June 8, 2020. This patent earned 2 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP13551
- Filed
- June 8, 2000
- Granted
- February 11, 2003
- Expires
- June 10, 2020
- Inventor
- JOBLING BERES
Abstract
A new cultivar of Verbena named ‘Dosblu’ that is characterized by its spreading growth habit with dense foliage coverage and by its deep violet-blue flowers with a distinct white eye zone. The flowers fade with age to give a bicolor effect to the flower cluster.
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 cultivar of Verbena plant named ‘Dosblu’ as described and illustrated.
Read the full patent: US Plant Patent PP13551 in full — the complete specification, every figure, and the file history.