Jazz Pharmaceuticals, Inc. v. Avadel CNS Pharmaceuticals, LLC

  1. October 16, 2025

    Jazz Denied Preferred Drug Royalty Rate, But Still Gets Boost

    A Delaware federal judge has agreed to increase the royalty rate a specialty drugmaker has to pay drug manufacturer Jazz Pharmaceuticals Inc. for using a patented process behind a newer narcolepsy drug, but by less than what Jazz asked for.

  2. September 15, 2025

    Jazz Loses Bid To Block Avadel From Seeking Sleep Drug OK

    Jazz Pharmaceuticals Inc. cannot block Avadel CNS Pharmaceuticals LLC from seeking U.S. Food and Drug Administration approval for its sleep disorder treatment, a Delaware federal judge ruled, saying the act of seeking FDA approval is not an infringing activity that can be enjoined.

  3. July 10, 2025

    Jazz Looks To Block Avadel From Asking For Sleep Drug OK

    Jazz Pharmaceuticals wants a Delaware federal judge to block Avadel CNS Pharmaceuticals from seeking U.S. Food and Drug Administration approval for its Lumryz drug to treat the sleep disorder idiopathic hypersomnia, after the Federal Circuit sent the case back to the lower court.

  4. May 06, 2025

    Fed. Circ. Asks What Law Applies For Sleep Drug Injunction

    The Federal Circuit lifted an injunction Tuesday that had placed limits on Avadel CNS Pharmaceuticals' clinical trials for sleep disorder treatments, but sent the infringement case back to Delaware to determine whether a future injunction should be governed by the Hatch-Waxman Act.

  5. February 07, 2025

    Fed. Circ. Considers Some Testing For Avadel Sleep Drug

    Judges on the Federal Circuit seemed open to modifying a district court's injunction barring specialty drugmaker Avadel Pharmaceuticals from marketing its on-market narcolepsy drug for use in treating another sleep disorder Friday.

  6. October 02, 2024

    Avadel Tells Fed. Circ. It Should Be Free To Test Sleep Drug

    Specialty-drug maker Avadel Pharmaceuticals says a Delaware federal court went too far in blocking it from testing a narcolepsy drug to treat an uncommon sleep disorder after finding that it infringed a patent covering a rival's narcolepsy drug.