THE PHYLOS FIASCO WAS A WAKE-UP CALL TO BREEDERS

DNA Is Not Required For Patenting — Never Has Been

In the wake of the Phylos controversy, many are wondering about the need for DNA sequence information in patents.  That’s a complicated question in some ways, because the answer has some layers and explanations to it.  But, in another way, it’s a very simple question.  So let’s start with simple: how much DNA sequence information is really required for a plant patent application?  NONE.  ZERO.

Don’t believe me?  I have filed hundreds of plant patents in the United States — at least hundreds — and extending that to the corresponding international plant breeders’ rights applications, I have filed thousands.  NONE of them required any DNA sequence information; all of them were allowed without any.

There is a historical reason for this, of course.  The legal systems that were created for granting intellectual property for plant cultivars came long before DNA sequence information was even an option.  Under those systems,

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By Dale Hunt – The opinions expressed here are the author’s own and do not necessarily reflect those of his professional colleagues or his clients.  Nothing in this post should be construed as legal advice.  Meaningful legal advice can only be provided by taking into consideration specific facts in view of the relevant law.

3 replies
  1. Anna
    Anna says:

    There is information that seems to be overlooked with this idea. Cultivar….what is a cultivar? A cross between two plants….buuuut….(read the following carefully)

    “The word cultivar means a cultivated variety; thus, a cultivar is selected and cultivated by humans. Although some cultivars can occur in nature as plant mutations, most cultivars are developed by plant breeders and are called hybrids. A first generation hybrid occurs when a breeder selects two pure lines (plants that would produce identical offspring when self- pollinated) and cross pollinates them to produce a new plant that combines desirable characteristics from both parents.”

    So, are hybrid crosses from hybrids that are not genetically stable still cultivars? Most strains are not genetically stable (inbred and back crossed to allow all alleles to go to fixation), so I would argue that most cannabis phenotypes are strains, not cultivars.

    Reply
    • Dale Hunt
      Dale Hunt says:

      I think you are exactly right, and this is why it is actually a good thing and botanically pretty accurate that people in the Cannabis community refer to most of their breeding selections as “strains”–because they are not stable enough to be true cultivars unless they were to be propagated only as clones.
      In my blog on cultivars, varieties, and strains, I point out that the definition of a cultivar is “cultivated variety” and that a “variety” is a substantially uniform group. For cultivars, the uniformity in question is sort of arbitrarily based upon whatever traits matter for the cultivation that is being done, but the uniformity is important. Since Cannabis is frequently propagated both clonally and by seeds, a great F1 hybrid can either be a highly unstable “strain” (the seed progeny) or a pretty stable “cultivar” (the clones). Or someone can do a lot of backcrossing over numerous generations to get to a stable seed “strain” and arrive at a seed “cultivar.” In any case, for patenting, stability is required, and the strain would need to be something that could be designated as a cultivar, so the patent applicant would either need to just patent the clonal cultivar or would need to stabilize the seed line.
      I’ll just add that I came into the Cannabis industry/community a few years ago with a lot of experience in plant IP and patent law, but I’m still learning about Cannabis breeding, so I really appreciate input from people who have more experience than I do. Thank you for your comment, and if I seems like I’m still missing something I’d really welcome further input.

      Reply

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