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The Patent Garden

Nursery or breeding house

DANZIGER DAN FLOWER FARM

333 US plant patents, granted between 1994 and 2026.

On the name: these patents were filed under 9 spellings, counted together here — DANZIGER DAN FLOWER FARM (176), Danziger ‘Dan’ Flower Farm (127), Danziger “Dan” Flower Farm (47), DANZIGER 'DAN' FLOWER FARM (3), Danziger—“Dan” Flower Farm (1), Danziger 'DAN Flower Farm (1), Danziger ‘DAN ’ Flower Farm (1), Danziger ‘Dan’Flower Farm (1), Danziger ‘DAN ’Flower Farm (1).

Filed under the DANZIGER name. Related entities are listed separately on the DANZIGER search, because a company and a person are not the same filer even when the name matches.

Still under patent — 208 cultivars

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

Already in the public domain — 125 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.