Panduit
Definition
Factors In patent law, the four factors from Panduit Corp. v. Stahlin Bros. Fibre Works, Inc., 575 F.2d 1152 (1978) that a patentee can use to seek lost-profit damages: (1) there is demand for the patented product, (2) there are no acceptable noninfringing substitutes, (3) the patent holder has the manufacturing and marketing capability to exploit the demand, and (4) the profit the patent holder would have made.