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.


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Pigs Return to Earth: Federal Circuit Reinstates Most—But Not All—of Myriad’s Patents

The Federal Circuit’s long-awaited decision (pdf) in Association for Molecular Pathology v. USPTO (the Myriad gene patent litigation) was issued this past Friday.  As we were writing, with the economy having slowed to a barely perceptible crawl and a government default looming more likely by the hour, there were plenty of reasons to believe that the sky was falling.  But the Myriad decision was not, and is not, one of them.

For the most part, the Federal Circuit’s 2-1 decision returned the law to the state it was in before District Judge Sweet’s opinion turned things upside-down last March.  Although full of interesting rhetoric, the court’s three lengthy opinions (a total of 105 pages) are less remarkable for what they decide than for what they invite higher authorities—the Supreme Court and the Congress—to decide down the road.

First, the scorecard.  The court’s judgment—that is, the holding, or outcome—was joined by Judges Lourie and Moore.  A third member of the panel, Judge Bryson, dissented in part, meaning that he joined only a portion of the judgment (more on that below) and disagreed with another part.


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Prometheus Returns to the Supreme Court, Medical Method Patent Speculation Intensifies

While everyone has been busy speculating about whether the Supreme Court will ultimately take the Myriad case, the justices (at least four of them—see below) sprung a surprise this week by deciding to review the Federal Circuit’s decision in another biomedical patent case, Prometheus v. Mayo.

The patents at issue in Prometheus involve a method of administering a drug (specifically thiopurine drugs used to treat gastrointestinal and other autoimmune diseases), measuring the drug’s level in a patient’s body, and then adjusting the dosage of the drug. The Supreme Court will hear the case this fall and should (see below) issue a ruling by next summer, thus drawing to a close a legal journey that began more than three years ago in a California district court.


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Swine Soar Higher in Myriad Thanks to US Government’s Amicus Brief

This past March Judge Robert Sweet handed down an unexpected summary judgment ruling in the Myriad gene patent litigation (see: Pigs Fly: Federal Court Invalidates Myriad’s Patent Claims). Myriad quickly appealed Sweet’s district court decision to the Court of Appeals for the Federal Circuit (CAFC).

After several months of courtroom quiet, the briefs began rolling in to the CAFC last week. Most, including Myriad’s own appellant brief (pdf), presented the argument we would expect. Myriad and its supporters frame Judge Sweet’s ruling as an erroneous application of settled patent law and policy that, if upheld, “would have far-reaching negative consequences” (pdf) for the continued development of biotechnology.

And then there is the United States government. In an amicus brief filed on Friday (pdf) the Department of Justice (DOJ), on behalf of the United States, dropped a minor bombshell. Contradicting the longstanding policy of the United States Patent and Trademark Office (PTO), the government’s brief argues that isolated human genes, without further modification, are a product of nature and do not constitute patent-eligible subject matter under § 101 of the Patent Act.


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Pigs Fly: Federal Court Invalidates Myriad’s Patent Claims

Late on the afternoon of Monday, March 29, 2010, Judge Robert W. Sweet of the United States District Court for the Southern District of New York issued a jaw-dropping summary judgment ruling (pdf) in Association for Molecular Pathology v. USPTO that invalidates certain of Myriad Genetics’ patents related to the BRCA 1 and 2 breast and ovarian cancer susceptibility genes. In a post written immediately after the release of the opinion, Dan gave a thorough summary of the ruling. Our objective here is to offer a bit more depth on what the ruling means—and what it doesn’t mean. On the one hand, Judge Sweet’s order is radical and astonishing in its sweep. On the other, it will be some time before we have any idea what impact it will ultimately have.

We should first disclose that one of us (John) has a dog in this fight, albeit a small one. In 2003, (along with biologist and patent lawyer Roberte Makowski), John published an article in the Journal of the Patent and Trademark Office Society entitled Back to the Future: Rethinking the Product of Nature Doctrine as a Barrier to Biotechnology Patents (pdf). In that article, Roberte and John laid out an argument for challenging Myriad-style patents on “isolated” genes as claiming products that are only trivially different from the naturally-occurring versions. Judge Sweet cited this article and, in several parts of his opinion, followed the roadmap it created. So, if you oppose the Myriad patents, you’re welcome; if you like them, we’re sorry.

What Summary Judgment Means. As Dan noted, and John first wrote last fall, it is rare for plaintiffs to win on summary judgment. For either side to receive summary judgment, it must show that there are no disputed issues of fact that require a trial to resolve, and that, on the undisputed facts, the law mandates judgment in its favor. This standard is especially hard for a plaintiff to meet, since it bears the burden of proof at trial. At the summary judgment stage, a defendant can usually create an issue of fact and thereby avoid summary judgment just by saying “they have the burden of proof at trial, and a jury might not believe them.” Although this is an unusual case in that the basic facts—most notably Myriad’s patent claims and the fundamental biology and genetics that makes possible those claims—really are not in dispute, a summary judgment ruling for the plaintiffs nonetheless sends a clear message about how strong this particular judge thought their case was—and how weak he thought Myriad’s was.

The Road to Invalidation. The court broke Myriad’s patent claims into two major groups: (i) those claiming isolated DNA sequences and (ii) those claiming methods for comparing or analyzing gene sequences to identify the presence of mutations corresponding to a predisposition to breast or ovarian cancer (p. 2). Both sets of patents were rejected under Section 101 of the Patent Act, which enumerates the permissible categories of patentable subject matter: processes, machines, manufactures, and compositions of matter. As the judge noted, a long history of cases forbids claims on laws of nature, abstract ideas, and natural phenomena, which include products of nature.


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