Coffey v. PSLJ, Inc.

How later courts describe this case

• “lapse on the part of an examiner does not exculpate an applicant whose acts are intentionally deceptive”
• insufficient that prior art discloses components of patented device, either separately or in other combinations; “there must be some teaching, suggestion, or incentive to make the combination made by the inventor.”
• use of defendant's products was undisputed