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BIO Magazine - US Supreme Court hears arguments in gene-patent case Δεκέμβριος 2015
Δεκέμβριος 2015 No38

BIO Patent

US Supreme Court hears arguments in gene-patent case
US Supreme Court hears arguments in gene-patent case

The United States’ highest court heard arguments today in a long-running debate over the validity of patents on human genes.

US Supreme Court justices will not issue a decision until later this year — probably near the end of June — but today’s questioning suggested that they will find isolated human DNA ineligible for patents. The justices did seem inclined, however, to protect patents on cDNA, which is DNA synthesized using RNA as a template. (cDNA is often shorter and easier to manipulate in the lab than genomic DNA, and many patents on DNA sequences claim cDNAs.)

The case has been working its way through the courts since 2009, when the American Civil Liberties Union and the Public Patent Foundation filed a complaint against Myriad Genetics, a medical diagnostics company based in Salt Lake City, Utah, that holds patents on two genes related to breast and other cancers. The groups filed the complaint on behalf of patients, physicians and researchers who argued that the patents, which claimed isolated BRCA1 andBRCA2 genes, cover a product of nature and are therefore invalid.

In this morning’s arguments, the justices did not spend much time challenging the lawyer for the plaintiffs on that assertion, noted SCOTUS blog publisher Tom Goldstein , who hosted a panel discussion after the session. Instead, many of their questions focused on whether invalidating the patents would squelch the biotechnology industry, or if companies would have other avenues — such as patents on methods or cDNAs — available to protect their investment in research. That, said Goldstein, suggested the justices were testing the scope of their ruling, rather than whether the plaintiff’s argument was right or wrong: “I would be very surprised if the Supreme Court says isolated gene sequences would be patent-eligible subject matter after today’s argument.

The justices seemed to have been heavily influenced by a friend-of-the-court brief filed by Eric Lander , genomics whiz and founding director of the Broad Institute in Cambridge, Massachusetts. The brief argued against a lower court’s ruling that a snippet of DNA isolated from its chromosome does not occur in nature and is therefore patentable. To the contrary, wrote Lander, isolated DNA fragments do exist and are found circulating free in the blood. Indeed, a search of two public databases of DNA sequence data obtained from fetal DNA circulating in maternal blood revealed fragments that contained the BRCA1 andBRCA2 genes. “I think that raised a whole new ‘oops’,” said Robert Cook-Deegan, a policy researcher who has studied the case at Duke University in Durham, North Carolina.

The justices never heard a proper response to Lander’s argument from Myriad’s attorney, who seemed to have either misunderstood the Lander brief or confused it with another when questioned.


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