Masimo Corp. v. Philips Electronics North America Corp.

MEMORANDUM ORDER MARY PAT THYNGE, United States Magistrate Judge.

I. INTRODUCTION

Plaintiff Masimo Corporation (“Masimo”) and defendants Philips Electronics North American Corporation and Philips Medizin Systeme Boblingen GMBH (collectively, “Philips”) manufacture competing products in pulse oximetry. Pulse oximetry allows for non-invasive measurement of the oxygen levels in a medical patient’s hemoglobin.

Generally, pulse oximetry operates via a sensor placed over a thin section of a patient’s body, such as the fingertip or earlobe of an adult, or the foot of an infant. The sensor emits red and…