Philips sues Zoll alleging infringement of patents covering defibrillators

Royal Philips Electronics is suing Zoll Medical, alleging the latter infringed 6 patents related to external defibrillators. The suit names Zoll's E Series, M Series and R Series defibrillators, which together reported $523.7 million in sales last year. Bloomberg couldn't immediately reach Zoll officials for comment. Story