Michael J. Diamondstein is one of the premier criminal defense lawyers in the Philadelphia area. His depth and breadth of experience offer substantial benefits to people facing any type of criminal accusation. Before joining the ranks of the defense bar, Michael served as an Assistant District Attorney for the city of Philadelphia. In this position, he gained substantial insights into how the government investigates and prosecutes criminal allegations. Now as a defense lawyer, he can anticipate the government's tactics and develop the necessary strategies to overcome them. Request a meeting – jump to the quick form now

A killer on cross examination. A formidable opponent. Michael Diamondstein is one of the best I've ever gone against.

— Anthony J. Voci, Jr. | Homicide Prosecutor | City of Philadelphia | 1/20/2006

...Rice needed a criminal defense lawyer – a good one – and, through a referral from a Baltimore lawyer, he hired Diamondstein, a fiery Philadelphia criminal defense lawyer…

— Don Van Natta Jr. and Kevin Van Valkenburg | ESPN.COM | September 19, 2014

...Even more embarrassing for the NFL was the total willingness of both Diamondstein and Rice, as described by Mueller, to give the video to the NFL, but no one from the NFL ever made the request...

— Lester Munson (via ESPN) | ABCNews.COM | January 8, 2015

Recognized For Providing Exceptional Representation

A lawyer's success can be measured in many ways. By every standard, Michael J. Diamondstein has achieved a high level of success. For instance, he has been named one of the Top 100 Trial Lawyers in Pennsylvania by The National Trial Lawyers. He is AV Preeminent* rated by Martindale-Hubbell, and has been selected for inclusion in Super Lawyers each year since 2011. In addition, he has been utilized by other defense attorneys as an expert witness in the practice of criminal law and has been a lecturer in teaching criminal law to members of the bar. These accolades are only important in that they reflect Michael's history of success in representing people facing criminal allegations. More importantly, he has achieved positive outcomes for clients facing the full range of life-altering criminal accusations, including:

The firm also represents college students and young people accused of various allegations. Whatever the charge, Michael recognizes what is at stake. While he is a trial lawyer who will not hesitate to bring a case before a judge and jury, he also recognizes the importance of being able to negotiate a fair result for his clients. He will work tirelessly to achieve a positive outcome, whether an acquittal at trial, a dismissal of the charges prior to trial or a plea agreement that eliminates some of the worst potential penalties.

Moreover, Michael has earned the respect of prosecutors, judges and others in the criminal justice system. In fact, he regularly receives referrals from judges, law enforcement officials and other attorneys. Michael takes great pride in the trust these individuals place in his work.

  1. A Reputation For Success In High Profile Cases

    Attorney Michael J. Diamondstein has made news for his skilled defense of Ravens running back Ray Rice against career-threatening allegations. Read the Full Article Now

  2. Holding Law Enforcement Accountable

    When police fudge the facts, Attorney Michael J. Diamondstein holds them accountable and obtains dismissals of criminal charges. Read the Full Article Now

  3. Using DNA Evidence To Protect The Rights Of Innocent People

    Attorney Michael J. Diamondstein has made headlines for his use of DNA evidence to clear the names of innocent people accused of rape and other serious charges. Read More

All told, Michael has handled approximately 20,000 cases over his career in state and federal courts in Pennsylvania, New Jersey and across the United States. Over his career, Michael has represented athletes, entertainers, politicians and other high-profile individuals. He understands how to make sure his clients are tried in a court of law, and not the court of public opinion.

Contact Michael J. Diamondstein, P.C.

Based in Philadelphia, the firm defends individuals across Montgomery County and Delaware County. Call 215-940-2700 or contact the firm online to schedule a free initial consultation.