Robert Cooper Grier,
City of New York v. Ransom — Opinion of the Court
“ He cannot call on a jury to guess out his case without evidence. Actual damages must be calculated, not imagined, and an arithmetical calculation cannot be made without certain data on which to make it. ”
Robert Cooper Grier,
City of New York v. Ransom — Opinion of the Court
“ It is to his advantage that every one should use his invention, provided he pays for a license. The only damage to the patentee is the non-payment of that sum when the infringer commences the use of the invention.As the plaintiffs in this case did not furnish any evidence upon which to found a calculation of actual damages, the court should have instructed the jury as requested by the counsel. ”
Robert Cooper Grier,
City of New York v. Ransom — Opinion of the Court
“ The patent is for an improvement in the apparatus of the common fire-engine, by which the hydrostatic pressure of the water from the hydrant may be combined with the hydraulic pressure of the engine, and thus add to its power and efficiency. ”
