When you feel the intense heat of a Government investigation or you have been charged with a crime, you need a lawyer who is not afraid to stand up for you. You need a lawyer who has been there. Michael J. Diamondstein has been there for athletes, politicians, police officers and everyday working Americans.
Mr. Diamondstein is a member of the Pennsylvania, New Jersey and federal Bars who has handled tens of thousands criminal cases in state and federal courts throughout the United States. He has defended high-profile, media-sensitive cases as well as serious but unreported criminal cases. He has secured acquittals and dismissals for hundreds and hundreds of his previous clients. He is well respected in the legal community as he routinely represents clients who have been referred to him by judges, prosecutors, law enforcement officers and fellow attorneys.
When an individual faces the “soul-crushing pressure” of a state or federal investigation, criminal defense attorney Michael J. Diamondstein stands ready to step in.
Mr. Diamondstein’s vast experience and demonstrated skill have led him to be named to Super Lawyers since 2011, and he has received the highest AV Preeminent® rating from Martindale-Hubbell. He is also qualified to handle death penalty cases under Pennsylvania Rule 801. Mr. Diamondstein is often asked to lecture to other lawyers at legal education seminars. This same level of experience and skill enables him to provide the highest standard of representation for anyone accused of crimes, under investigation or recently arrested.
Michael J. Diamondstein is a lifelong resident of the Philadelphia metropolitan area. A graduate of Ithaca College, Mr. Diamondstein attended Widener University School of Law, from which he graduated summa cum laude.
Honors and Awards
- Selected to Super Lawyers in the Criminal field, every year since 2011
- AV Preeminent® Rated by Martindale-Hubbel in Legal Ability and Ethical Standards, every year since 2017
- Profiled as a 5 star attorney by Surburban Life Magazine, 2019
- Gave the Commencement Address to a number of the members of the graduating class of the University of Wisconsin, Class of 2020 who were quarantined in Lower Merion at their ad hoc graduation ceremony due to COVID-19 pandemic, Unofficial Commencement Speaker, University of Wisconsin, Class of 2020, “Lower Merion Division”, 2020
- Received American Jurisprudence Awards and Certificate of Achievements in Criminal Procedure, Constitutional Law, Secured Transactions, Capital Punishment, Professional Responsibility and Wills and Trusts
- Wolcott Fellowship, Widener University School of Law
- Awarded William I. Schaffer and Emily N. Maxwell Memorial Scholarships
- Serves as a Judge of Elections for Montgomery County, Pennsylvania
Scholarly Lectures/Writings
- Instructor for Pennsylvania Bar Association CLE courses
- Instructor, National Institute of Trial Advocacy
- Expert Witness in the field of Criminal Defense
- Provided attorneys with an update on the status of Montgomery County, Bucks County, Delaware County, Chester County and the federal courts during the COVID-19 pandemic., Presenter, Four County Criminal Practice Update, Philadelphia Bar Association, 2020
- Cloaked in Doubt, 2006
Instructor, NITA Program, Hofstra University School of Law, January, 2000
- Judge, Regional Trial Competition, Temple University School of Law, February 2003 – Present
- Instructor, Continuing Legal Educations Courses for Pennsylvania Bar Institute, 2009 – Present
- On January 12th, 2017 Mr. Diamondstein was a panelist with Louis Lappen, Acting US Attorney for the Eastern District of PA and The Honorable Luis Felipe Restrepo of the Third Circuit Court of Appeals for a CLE course for criminal attorneys and prosecutors. The topic was the difference between State and Federal Prosecutions with respect to coopeartors., Lecturer, CLE, Philadelphia Inn of Criminal Courts, 2017
- On June 10th, 2017 Mr. Diamondstein spoke to the Arkansas Association of Criminal Defense Lawyers on the topic of How to Handle a High Profile Case at their summer meeting in Bossier City, Louisanna., Speaker, How to Handle a High Profile Case, 2017
- Intensive Trial Advocacy Program, Instructor, Widener University School Of Law, 2017
- Lecturer on Attorney Civility in the Courts, Lecturer, Philadelphia Inn Of Criminal Courts, 2018