About
Michael J. Diamondstein, P.C. is a Philadelphia, PA criminal defense practice led by former prosecutor Michael J. Diamondstein. With over 23 years of legal experience, he has handled approximately 20,000 cases in state and federal courts across Pennsylvania, New Jersey, and beyond. The firm defends a full range of matters, including assault charges, drug crimes, sex crimes, weapons charges, white collar crimes, murder, student crimes, Title IX defense, pardons and expungements, and appeals and federal habeas.
Diamondstein’s background as a prosecutor informs case strategy and courtroom advocacy. His work has been recognized by legal industry organizations, including selection as one of the Top 100 Trial Lawyers in Pennsylvania by The National Trial Lawyers, an AV Preeminent rating from Martindale-Hubbell, and inclusion in Super Lawyers each year since 2011. He also lectures on criminal law and procedure and has served as an expert witness.
The team includes associates and support staff, with Spanish-language assistance available. The firm emphasizes thorough case preparation and represents clients facing high-stakes felony charges as well as students and first-time defendants seeking to protect their records.