Myriad Gene Patent Litigation
On May 12, 2009, a group of plaintiffs led by the American Civil Liberties Union (ACLU) and the Public Patent Foundation (PUBPAT) filed a lawsuit against Myriad Genetics, the U.S. Patent and Trademark Office (USPTO) and other defendants. The lawsuit – Association for Molecular Pathology, et al. v. U.S. Patent and Trademark Office, et al. – alleges that patents on two human genes associated with breast and ovarian cancer (BRCA1 and BRCA2) are invalid and unconstitutional. This page aggregates all of the Genomics Law Report’s coverage of the Myriad litigation, as well as coverage of other relevant legal and policy developments pertaining to the issue of gene patents.
In a decision issued on October 7, 2015, the High Court of Australia (High Court) ruled unanimously in D’Arcy v. Myriad Genetics Inc.,  HCA 35, that three BRCA1 patent claims held by Myriad Genetics, Inc. under Australian Patent 686,004 were invalid. While Myriad’s patent had actually expired on August 11, 2015, the court decision set important precedent relevant to intellectual property in genetics/omics and precision medicine.
The D’Arcy case itself, along with other litigation in the U.S. involving Myriad’s gene patents, has been discussed previously on Genomics Law Report (See generally here). Mutations in the BRCA1 gene confer increased risk of breast and ovarian cancer. The Myriad scientists were first to clone and sequence BRCA1, the gene that Mary-Claire King had linked to cancer susceptibility in a landmark paper in Science in 1990. Myriad identified several BRCA1 mutations. Myriad’s Australian Patent 686,004 contains 30 separate claims. Yvonne D’Arcy challenged the validity of the first three claims in Myriad’s patent, which claimed the isolated BRCA1 sequences with mutations conferring increased risk of breast and ovarian cancer.
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Robert Cook-Deegan, MD
On September 5, the Federal Court of Australia (the appeals court) upheld a claim on isolated DNA from the BRCA1 gene. It dismissed Yvonne D’Arcy’s appeal of a case that has attracted international attention. Australian patent 686,004 has never been enforced, so the court decision has little real-world concrete impact. As Richard Gold and Julia Carbone explained in their classic case study, “Myriad Genetics: In the Eye of the Policy Storm,” the patent rights on BRCA1 and BRCA2 were exclusively licensed for use in Australia and New Zealand to Genetic Technologies, Ltd. (GTG), which in turn made them a “gift to the people of Australia.” When the CEO of GTG proposed taking back that gift in the summer of 2008, he provoked a firestorm and the company backed down in October, restating that it would not enforce its patent rights against laboratories offering BRCA testing. The Australian Senate held a series of hearings, and a bill proscribing DNA sequence patents was proposed, but the new government opposed it, and it lapsed. Instead, Australia enacted patent reforms in 2012 that raised the bar for utility and clarified the Australian law’s exemption from infringement liability for research and regulatory approval. Most of the provisions of that law took effect on April 15, 2013, the very day Association for Molecular Pathology v Myriad Genetics (AMP v Myriad) was argued before the U.S. Supreme Court.
In a 106-page opinion issued on March 10, 2014, Judge Robert Shelby of the federal district court in Salt Lake City denied Myriad Genetics’ Motion for Preliminary Injunction in its lawsuit against Ambry Genetics Corporation. For reasons I’ll try to explain, this is a significant development from a practical standpoint, but not earth-shaking from a legal point of view. Above all, it is not surprising. Reluctant as I am to say “I told you so,” well, I told you so.
As we previously reported, after the Supreme Court decided AMP v. Myriad Genetics, a number of competitors, including Ambry, jumped into the BRCA testing market. Myriad started suing them in the Utah federal district court, beginning with Ambry (filed July 9, 2013) and Gene by Gene (July 10). The cases were soon consolidated, to be handled together by Judge Shelby. In both cases, Myriad alleged that the defendant’s testing would infringe patent claims that had not been struck down by the Supreme Court’s AMP decision, which had held that DNA that had merely been isolated from the body was not patentable subject matter. In both cases, Myriad sought a preliminary injunction: a pre-trial order that the defendant must cease its testing activity for the duration of the case. If Myriad then prevailed at trial, the injunction would become permanent. The defendants denied Myriad’s allegations, opposed the preliminary injunction, and filed massive antitrust counterclaims alleging that Myriad has used its patents in unlawful ways to monopolize the BRCA testing market.
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Myriad Genetics is once again embroiled in litigation over its BRCA-related patents. But this time Myriad is the defendant. Counsyl, Inc., a San Francisco-based company that focuses on genetic carrier testing, sued Myriad in U.S. District Court for the Northern District of California on September 20, 2013. As we noted in an earlier post, Myriad — as a plaintiff — has recently sued two small companies, Ambry and Gene By Gene, that have entered the BRCA testing market in response to the Supreme Court decision invalidating Myriad’s gDNA patent. Myriad presumably filed those suits — against vulnerable defendants — to send a message that it would maintain its testing monopoly by enforcing patent claims that had survived the earlier litigation. But it took the risk that the defendants might succeed in invalidating those surviving claims. Now, with the Counsyl suit, the BRCA controversy has entered a new stage, with a prospective competitor launching a preemptive strike against Myriad and its patents.
As soon as the Supreme Court issued its decision in AMP v. Myriad Genetics, Myriad issued public statements saying that it had many surviving patents that would perpetuate its BRCA testing monopoly. We may now find out if that’s true.
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After what seemed like an eternity, the epic saga known as AMP v. Myriad Genetics has finally come to a close. On June 13, 2013, the Supreme Court ruled (1) that isolated genomic DNA (gDNA) is not patent-eligible under section 101 of the Patent Act, but (2) cDNA is. For once, what the Justices said at oral argument gave accurate clues to what they really thought, and the result was what almost every observer (including this one) had predicted.
On April 15, the Supreme Court heard oral arguments in Association for Molecular Pathology v. Myriad Genetics. This was another significant step—probably the penultimate one—in the long-running Myriad drama. It began with a group of plaintiffs (including researchers, doctors, and breast cancer patients) joining an American Civil Liberties Union-organized lawsuit to invalidate Myriad’s patents on two breast cancer susceptibility genes (BRCA1 and 2) as well as patents on methods of interpreting genetic test results and testing anti-cancer drug efficacy. In a shocking decision, the federal district court in New York threw out all of Myriad’s patents. The Federal Circuit then reversed the district court’s rulings on the gene patents, with the three-judge panel holding unanimously that cDNA is patentable subject matter and holding 2-1 that isolated genomic DNA is patentable as well. The Federal Circuit affirmed the district court’s ruling that Myriad’s methods of interpreting mutations are not patentable, but reversed it in reinstating Myriad’s claims to methods of testing drug efficacy.
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The Supreme Court today granted a writ of certiorari (meaning they agreed to hear the appeal) in Assoc. for Molecular Pathology v. Myriad Genetics, Inc., et al., the famous case centered on patents covering two human genes: BRCA1 and BRCA2.
Of note is that the Court limited its grant of the appeal to the first of the three questions posed by the petitioners/plaintiffs: “Are human genes patentable?”
Earlier this month, my colleagues John Conley, Robert Cook-Deegan, James Evans and I published a policy article in the European Journal of Human Genetics (EJHG) entitled “The next controversy in genetic testing: clinical data as trade secrets.”
The EJHG article is open access so you can read the entire article at the EJHG website, but here is the abstract:
Applying Mayo to Myriad: Latest Decision Brings No New News (Plus: Why the Final Myriad Decision Might Not Matter for Personalized Medicine)
The latest chapter in the Myriad gene patent litigation was written yesterday, with the Federal Circuit issuing its much anticipated opinion (pdf) after rehearing the case following the Supreme Court’s unanimous decision earlier this year in Prometheus v. Mayo.
Or perhaps we should say that the latest chapter was “rewritten” as, in a move that surprised approximately nobody, and as we predicted earlier this spring, the Federal Circuit reached precisely the same result in its opinion today as it did last July when it issued its first substantive ruling in the Myriad litigation. Below, we examine how the Federal Circuit applied Mayo to Myriad, what the next step in the Myriad litigation is likely to be (spoiler alert: it’s another appeal) and why we think the final opinion in this case, whenever it arrives and whatever it says, might not matter all that much.
Applying Mayo to Myriad. As mentioned, the only major change since the last time the Federal Circuit ruled in Myriad, and the reason for the re-hearing, was the Supreme Court’s decision earlier this spring in Mayo.
However, Mayo was about method patents and the boundary between a patent-eligible method and a law of nature. It was not about product patents or the product of nature doctrine. Since the Federal Circuit had already invalidated all but one of Myriad’s method patents even before the Supreme Court tightened the criteria for method patents in Mayo, it was hard to see much of substance changing the second time around.