ImClone loses cancer treatment patent fight
Shares slump after federal court rules three scientists associated with Yeda Research are sole inventors of patent.
NEW YORK (Reuters) — Shares of ImClone Systems Inc. fell over 6 percent on Tuesday after a court invalidated the biotechnology company’s ownership of a key cancer drug patent.
Trading volume for ImClone (down $2.02 to $28.50, Charts) shares was heavy Tuesday, with more than 5 million shares changing hands in the first half hour of trading.

