Trovan
Executive Summary
Abbott filed suit against Pfizer in May 1999 claiming that Pfizer's trovafloxacin infringes an Abbott patent covering napthyriding antibiotics (No. 4,616,019). Pfizer lost a trademark infringement suit brought by the British company Trovan in 1999, although it is appealing the verdict. Trovan distribution has been sharply limited following post-marketing toxicity reports