Extract to table

The Federal Circuit has further elaborated on the irreparable harm requirement, holding that a patent holder seeking a preliminary injunction must demonstrate a "causal nexus" between the alleged infringement and the claimed irreparable harm

The court must weigh and consider all four factors in determining whether preliminary injunctive relief is warranted

The standard for a temporary restraining order is substantially the same as for a preliminary injunction, with the additional requirement that the movant must demonstrate that immediate and irreparable injury will result before the adverse party can be heard in opposition

However, the hardship to Lumicore must be weighed in light of the full circumstances