Michael J. Diamondstein

Attorney Profile

Top Rated Criminal Defense Attorney in Philadelphia, PA

Michael J. Diamondstein, P.C.
 | 2 Penn Center, Suite 900, 1500 JFK Boulevard
Philadelphia, PA 19102
Phone: 215-940-2700
Fax: 215-940-2701
Selected To Super Lawyers: 2011 - 2020
Licensed Since: 1996
Practice Areas:
  • Criminal Defense (60%),
  • Criminal Defense: White Collar (30%),
  • Criminal Defense: DUI/DWI (10%)
Attorney Profile

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 every day working Americans.

Mr. Diamondstein is a member of the Pennsylvania, New Jersey and federal Bars who has handled thousands upon thousands of 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.

Mr. Diamondstein's vast experience and demonstrated skill have led him to be named as one of the Top One Hundred Pennsylvania Trial Attorneys by the National Trial Lawyers Association 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.

Practice Areas
  • 60%Criminal Defense
  • 30%Criminal Defense: White Collar
  • 10%Criminal Defense: DUI/DWI
Focus Areas

Arrest & Arraignment, Assault & Battery, Criminal Fraud, Criminal Law, Drug & Alcohol Violations, False Accusations, Felony, Juvenile Delinquency, Misdemeanor, Murder, Sex Offenses, Tax Evasion, Theft, Criminal Domestic Violence, White Collar Crime, Criminal Law - Federal


Selected to Super Lawyers for 10 yearsbottom-image

Super Lawyers: 2011 - 2020

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About Michael Diamondstein

Admitted: 1996, Pennsylvania

Professional Webpage: https://michaeldiamondstein.com/attorney-profiles/michael-j-...


  • Profiled as a 5 star attorney by Surburban Life Magazine., 5 Star Attorney, Suburban Life Magazine, 2019
  • Received American Jurisprudence Awards and Certificate of Achievements in Criminal Procedure, Constitutional Law, Secured Transactions, Capital Punishment, Professional Responsibility and Wills and Trusts
  • Rated AV Preeminent every year since 2017, Rated AV Preeminent by Martindale Hubbell, 2017
  • Picked for Super Lawyers in the Criminal field every year since 2011, Super Lawyers selection
  • Selected as a Josiah Oliver Wolcott Fellow
  • Wolcott Fellowship, Widener University School of Law
  • Awarded William I. Schaffer and Emily N. Maxwell Memorial Scholarships

Special Licenses/Certifications:

  • Certified to handle Capital Cases in the Commonwealth of Pennsylvania, 2018
  • P.A.D.I Advanced; Nitrox; and Wreck Diver, 2004

Bar/Professional Activity:

  • Federal Criminal Law Committee, EDPA, 2018
  • Member, Montgomery County Bar Association, 2018
  • Member, Pennsylvania Bar Association, 2018
  • Pro Hac Vice, U.S. District Court, Maryland, 2016
  • Pro Hac Vice, U.S. District Court, Eastern District of Tennessee, 2018
  • Pro Hac Vice, U.S. District Court, Eastern District of New York, 2012
  • Pennsylvania, 1996
  • U.S. District Court, District of New Jersey, 1997
  • Member, Pennsylvania Association of Criminal Defense Attorneys
  • Supreme Court of the United States, 2014
  • Pro Hac Vice, U.S. District Court, Delaware, 2017
  • Pro Hace Vice, U.S. District Court, Western District of Missouri, 2018
  • Lifetime Member, National Association of Criminal Defense Attorneys
  • U.S. Court of Appeals, Third Circuit, 2001
  • U.S. District Court, Middle District of Pennsylvania, 2012
  • Member, Federal Criminal Law Committee for the Eastern District of Pennsylvania since 2015-, 2017
  • Pro Hac Vice, State of Delaware, 2018
  • New Jersey, 1996
  • U.S. District Court, Eastern District of Pennsylvania, 2000
  • Master, Philadelphia Criminal Inn of Court, started in 2013, Founding Member, 2017

Pro bono/Community Service:

  • Celebrity guest for the inaugural Vincera Foundation Fundraiser, 2017
  • Goalie coach for the Lower Merion Bulldogs Squirts Ice Hockey Team, 2016

Scholarly Lectures/Writings:

  • Illinois: An Oasis in the Middle of a Judicial Desert  Haudrich v. Homedica, 2 WIDENER SYMP. L. J. 331, 1997
  • 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


Other Outstanding Achievements:

Educational Background:

  • Ithaca College, Ithaca, NY, B.S. in Business Management, May, 1992
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Office Location for Michael J. Diamondstein

2 Penn Center, Suite 900
1500 JFK Boulevard
Philadelphia, PA 19102

Phone: 215-940-2700

Fax: 215-940-2701

Michael J. Diamondstein:

Last Updated: 12/23/2019

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