Arbutus Pharma Corp. and others sue Pfizer Inc. in District of New Jersey

ARBUTUS PHARMA CORP. et al v. PFIZER INC. et al is an active civil matter in District of New Jersey under docket 23-cv-01876.

The main identified plaintiff or petitioner is 3:23-cv-01876 ARBUTUS PHARMA CORP. The case is currently organized around Current docket activity and next procedural step, Patent validity, infringement, and damages, Federal jurisdiction and procedural posture, Intellectual-property ownership and infringement.

The available docket gives enough signal to track the case, but not enough to overstate the merits. This page will become more useful as filings, orders, hearings, and party appearances add detail.

On April 23, 2026, the docket recorded a other: The court denied a motion in the case of Arbutus Pharma Corp. et al, which is a significant development in the ongoing patent dispute between the two pharmaceutical companies. The motion was likely aimed at delaying or blocking the case's.

The next thing to watch is whether the latest other produces a substantive order, a scheduling change, a settlement signal, or a filing that clarifies the parties' positions.