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The Patent Garden

Nursery or breeding house

PLANT 21 LLC

163 US plant patents, granted between 2003 and 2021.

Still under patent — 105 cultivars

Soonest to come off patent first. You may not propagate these for sale until the date shown.

Already in the public domain — 58 cultivars

Most recently freed first. Anyone may propagate and sell these plants — though the name it is sold under may still be a live trademark.