In BlephEx, LLC v. Myco Industries, Inc.,
Nos. 21-1149, 21-1365 (Fed. Cir. Feb. 3, 2022), the Federal
Circuit affirmed the Eastern District of Michigan's preliminary
injunction enjoining Myco from selling its product AB Max, used for
treating blepharitis, an inflammation of the eyelids.
Myco began marketing AB Max in February 2019. A month later,
BlephEx filed for and was later granted U.S. Patent No. 10,449,087.
That same day its patent issued, BlephEx sued Myco, alleging
infringement. The district court granted a preliminary injunction
in favor of BlephEx. Myco appealed.
On appeal, Myco argued that the preliminary injunction
improperly upset the status quo and was overly broad. The Federal
Circuit first found that Myco applied the wrong standard for the
status quo, which should be analyzed at the time the preliminary
injunction was granted, not at the time the patent issued. It also
found the status quo does not override the other injunction
factors. The Federal