• Supreme Court of the United States;
• United States Court of Appeals For The Second Circuit and United States Court of Appeals For The Third Circuit;
• United States District Court For The Southern District of New York ;
• United States District Court For The Eastern District of New York ;
• United States District Court For The District of New Jersey;
• New York State and New Jersey State Courts .

Starting in his second year of law school, Michael Asen conducted jury trials and judge trials of criminal cases in the Manhattan Criminal Court, for The New York City Legal Aid Society, Criminal Defense Division. Shortly after graduation from law school, he was appointed a Federal Defender and was regularly on trial in the United States District Court in Brooklyn, handling routine federal criminal cases, and white-collar crimes, drug importation and distribution, organized crimes and political terrorism.

For the past 25 years, Michael Asen has expanded his practice to specialize in a wide variety of civil cases, such as personal injury, medical malpractice, legal malpractice, estate litigation, corporate shareholder disputes, partnership disputes, employment litigation, matrimonial litigation and commercial litigation.

Michael Asen successfully defended a prominent oriental rug importer and his company against multi-million dollar claims, plus treble damages and attorney fees, in an anti-trust jury trial in the United States District Court For The District of New Jersey; and successfully defended at trial, several international diamond companies against numerous claims exceeding several million dollars plus punitive damages, brought by a former employee.

Michael Asen has a strategic alliance with Heimbuch & Solimano, P.C., one of New Jersey's leading matrimonial law firms. He has appeared in cases and has handled legal matters in Washington, D.C., Virginia, Connecticut, Great Britain, Israel, Germany and the Republic of South Korea.

Michael Asen's practice of law is not limited to the courtroom. He has been counseling business clients on issues pertinent not only to litigation, but also business development, transactions, financing and related matters. Some of his business clients have been: Foremost Furniture, Mil-Spec Industries, Kliger-Weiss Infosystems, Myong Graphics, Urban Forest Products and The Zellman Group. In association with The Zellman Group, Michael Asen has contributed to the development and management of a successful retail loss prevention civil recovery program for a variety of retail companies, including Kohl's, Mervyn's, Macy's, Bloomingdale's, Lord & Taylor, Six Flags Theme Parks and Starbucks.

In addition to his law practice, Michael Asen has been a lecturer for the National Business Institute on the following topic: “Damages in New York Civil Trial Practice”. In his spare time, he loves to read, to play the oboe and play tennis. In 1995, he founded the Sound Shore Orchestra in Westchester County, New York.

Michael Asen is a member of the American Bar Association, Association of the Bar of the City of New York, New York State Bar Association and the Association of Trial Lawyers of America.