You are a plaintiff suing two defendants in Federal Court. You have a business relationship with Defendant A, so you decide to settle with them, but choose to continue the litigation against Defendant ...

July 01, 2025 - On May 7, 2025, the U.S. Court of Appeals for the Federal Circuit addressed a longstanding split among district courts concerning the scope of inter partes review ("IPR") estoppel.

When notice of a medical malpractice claim is not filed timely and the statute of limitations to bring a motion for permission to serve a late notice of claim expires, a court is not required to grant ...

Before Lourie, Dyk, and Reyna. Appeal from the United States District Court for the District of Delaware. Summary: The defense of equitable estoppel requires showing that the patentee engaged in ...

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“‘Fraunhofer’s more-than-five-year silence in asserting infringement, in light of its clear knowledge of that infringement, rose to the level [of] misleading conduct,’ said the CAFC. However…Sirius XM ...

The doctrine of collateral estoppel can assist parties facing costly litigation. Robert Berezin and Carmen Bremer consider how it can be invoked in patent disputes Collateral estoppel can be used to ...