Beckman Instruments, Inc. v. Chemtronics, Inc.
District Court, W.D. Texas · 1971-06-07 · cited 6×
This case concerns counterclaims by defendants Chemtronics and Neville against plaintiffs Beckman Instruments and Clark for treble damages under the Sherman Act, based on the theory that enforcement of an invalid patent constituted antitrust violations under Walker Process. The district court, on remand from the Fifth Circuit's invalidity ruling, decided to dismiss the counterclaims. The court found that although the Clark patent claims were invalid for being overly broad and for failure to disclose the prior Stow device to the Patent Office, the evidence showed no knowing or willful misrepresentations of material facts. Instead, the nondisclosure amounted to an honest mistake in judgment given the acknowledged differences between the Clark invention and Stow's work, and the record lacked any proof of scienter or fraudulent intent required for Walker Process liability.