OraSure Sues Schering-Plough For Cryosurgical Patent
The complaint, filed in the U.S. District Court for the Eastern District of Pennsylvania, claims that Schering-Plough's manufacture and sale of its Dr. Scholl's Freeze Away cryosurgical wart-removal product in the over-the-counter market infringes OraSure U.S. patents nos. 5,738,682; 6,092,527 and 4,865,028.
OraSure is seeking an injunction to halt sales of the product, which Schering-Plough is promoting...

