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The Patent Garden

Breeder

CLARKSON GRAHAM

4 US plant patents, granted between 2024 and 2026.

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

Still under patent — 4 cultivars

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