The Philadelphia-based American Board of Internal Medicine announced that it has filed a suit against a North Jersey company that provided test preparation for doctors. The suit, alleging copyright infringement and theft of trade secrets, accuses the company of stealing test questions with help from doctors taking the certification tests. The suit was filed against Arora Board Review in Livingston, NJ, its principal Rajender K. Arora, and Anise K. Kachadourian, a practicing physician.