Federal Circuit Weighs in on Use Code Remand
The U.S. Court of Appeals for the Federal Circuit recently rendered a follow-up ruling on remand from the Supreme Court's April 2012 decision regarding Orange Book use codes for method-of-use patents Caraco Pharmaceutical Laboratories, Ltd. v. Novo Nordisk A/S. The Federal Circuit held, in a July 30 ruling, that: (i) a district court can issue a mandatory injunction requiring the owner of the NDA for the brand product to correct a use code which inaccurately describes the FDA-approved, patented use, but (ii) the court must first give the NDA holder the opportunity to correct the use code, rather than direct the company to use precise language for the code.
Nevertheless, the Circuit went on to state: (i) the NDA holder does not have "unbounded discretion" in proposing a new use code, and (ii) the district court has the power to construe the scope of the patent claims and provide limits on the appropriate scope of the corresponding use code. If the court determines that the new code is inaccurate and/or overbroad, the judge at that point can correct the error.
This latest development comes in the wake of the U.S. Supreme Court's decision arising from Caraco's proposed section (viii) labeling carve-out for use of the diabetes drug repaglinide (on which we have previously reported here, for example). The patent at issue claimed use of repaglinide in combination with the drug metformin. Caraco wanted to omit the combination therapy, and label its generic version to treat diabetes with repaglinide only. Novo Nordisk admitted that the patent did not cover the use of repaglanide alone, but then changed its use code in the Orange Book to wording that was broad enough to cover repagalanide alone.
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