Firm Secures Federal Circuit Affirmance on Behalf of Janssen Pharmaceuticals

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July 9, 2025

Firm Secures Federal Circuit Affirmance on Behalf of Janssen Pharmaceuticals

On July 8, 2025, Patterson Belknap earned a significant victory on behalf of our clients, Johnson & Johnson (J&J) subsidiaries Janssen Pharmaceuticals, Inc. and Janssen Pharmaceutica NV (Janssen), in a Hatch-Waxman patent infringement litigation concerning Teva’s and Mylan’s proposed generic versions of Janssen’s blockbuster, long-acting-injectable antipsychotic drug Invega Sustenna.

The U.S. Court of Appeals for the Federal Circuit affirmed a 2024 ruling from the U.S. District Court for the District of New Jersey—on remand following a prior appeal—which rejected Teva's obviousness challenges to the validity of Janssen’s patent covering Invega Sustenna’s dosing regimen. In the prior appeal, the Federal Circuit vacated the District Court’s initial ruling following an eleven-day bench trial and remanded for further proceedings. The District Court’s remand decision rejected Teva’s renewed challenge to the validity of the patent. The Federal Circuit’s ruling yesterday is powerful confirmation of the inventiveness of the work that led to Invega Sustenna, and will allow Janssen to continue to invest in the research and development of the next generation of medicines.

The Patterson Belknap team was featured in The American Lawyer's "Litigator of the Week" column for their work on the case.

To read the court's opinion, click here. To read press from Bloomberg Law, Law360, and Reuters, please click here, here, and here [a subscription may be required to view].

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