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John I. McMahon Jr.
About John
Biography
I am very grateful that for the last thirty years, I have had the privilege of representing thousands of clients, each of whom faithfully entrusted me with their very serious legal matter. There is nothing more important to me when I'm finished representing a client in their case than to know that I did my absolute best for that particular client. The legal representation of a client in a serious criminal or civil case is often very grueling and it is certainly not for the faint of heart. The trial of a case can be analogized to a form of combat which takes place in the courtroom. As a history buff, I have always admired the great generals in war, but my favorite is Robert E. Lee from the American Civil War. He realized that to win in real combat you must have a carefully thought- out plan, always be on the offensive, keep the momentum and strike your opponent fast and hard. I always try to employ those very same tactics in the courtroom to win for my clients. I also know how to be a hard negotiator when necessary. My career has a lawyer so far has been very fulfilling and I love the challenge of continuing to learn and honing my trial skills. I look forward to hopefully many more gratifying years to come of helping my valued clients. Sincerely, John I. McMahon, Jr., Esquire
Practice Areas
2
Practice Areas
Criminal Defense
60%
38 years
Personal Injury
40%
38 years
Fees and Rates
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Chat withLicenses
Licensed in Washington for 7 years
State: Washington
Acquired: 2019
No misconduct found
Licensed in Pennsylvania for 37 years
State: Pennsylvania
Acquired: 1988
No misconduct found
Location
McMahon, McMahon & Lentz
21 W Airy Street, Norristown, PA, 19401
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John I. McMahon Jr.'s Reviews
Showing 1 - 5 of 16 client reviews from Avvo
Posted by Rebecca | January 17, 2020 | Hired Attorney
This review is from a person who hired this attorney.
Exceptional service and attention
John McMahon was hired to represent me in a criminal matter. The case spanned about 18 months and the entire time he was wonderful. He was always available to me throughout the process, answered all my questions, explained the different stages to me. He is an intelligent man, well spoken and I felt c...
Posted by Yasir | October 1, 2019 | Hired Attorney
This review is from a person who hired this attorney.
Highly Recommended
Mr. Mcmahon is one of the nicest, generous, and upstanding lawyers I’ve met. He has helped my family over the years greatly and has went over and beyond for us. He’s amazing legally and personally. His staff is very friendly and reliable. I highly recommend his law firm.
Posted by Elizabeth | April 3, 2018 | Hired Attorney
This review is from a person who hired this attorney.
Great Service
John was great from day one. He went above and beyond and was very professional. My family and i are forever grateful for his hard work And services.
Posted by anonymous | March 14, 2018 | Hired Attorney
This review is from a person who hired this attorney.
Great Attorney Capable of Very Positive Results
I hired John McMahon as a defense attorney, and he did an excellent job. John always cared about me and how the case could affect me. When it seemed as though a positive result was not possible, John actually obtained a very positive result which protected me and things that are important to me. I...
Posted by Nicholas ceneviva | July 16, 2017 | Hired Attorney
This review is from a person who hired this attorney.
Trust worthy and an amazing lawyer
I've used Mr. McMahon on several occasions to the point I have his personal cell number. He's never once gave me false hope on a situation but always produced positive outcome. He's worked miracles for me time and time again. If I was going to send anyone in a direction for legal advice it would b...
John I. McMahon Jr.'s Lawyer Endorsements
"John is an excellent criminal attorney. I have referred many clients to him that I could not represent due to conflicts, and they have all been very happy with him as well. Highly recommend John."
"I endorse John McMahon because he is a passionate courtroom litigator. John works tirelessly for his clients and commands the courtroom."
"It is my honor to endorse Jack. He is a highly reputable and skilled attorney who is always prepared and obtains the best possible results for his clients."
"i have known John for more than a decade and know him to be an excellent trial attorney with an excellent reputation as such"
"I have known John since the beginning of my career at the DA's office. Every time I had a trial against John I was excited because I knew I was going up against the best. He always has his client's best interests in mind. He handles every matter with attention to detail, preparation, and professionalism. I endorse this lawyer."
"As a prosecutor I was always glad to see John McMahon representing the defense. John works very hard to get his clients the best deal he can, and is very diligent and knowledgeable when representing them in court. I would not hesitate to recommend John McMahon as a criminal defense attorney."
"I endorse this lawyer."
"I endorse this lawyer. Attorney McMahon is one of the most well respected attorneys in the area. His zealous advocacy and superb trial skills make him the first choice for criminal law and personal injury matters."
"I endorse this lawyer."
"I endorse this lawyer."
"I endorse this lawyer. He is an exceptional trial lawyer and aggressive litigator"
Joseph McMahon
Criminal defense lawyer
Prince Holloway
Personal injury lawyer
Donna Murphy
Government lawyer
Jeremy-Evan Alva
Criminal defense lawyer
Allan Ray
Personal injury lawyer
Theodore Swan
Criminal defense lawyer
Marc Neff
Criminal defense lawyer
Michael DiCindio
Government lawyer
Brooks Thompson
Criminal defense lawyer
Evan Kelly
Criminal defense lawyer
Perry De Marco
Criminal defense lawyer
Experience
Honors
2013
Top Criminal Defense Lawyer, Suburban Life Magazine
2012
Legal Service in Fight Against Substance Abuse, Caron Foundation
Work Experience
1990 - Present
Managing Partner, McMahon, McMahon and Lentz
1992 - 2008
Solicitor, Montgomery County Clerk of Courts
1988 - 1990
Assistant District Attorney, Montgomery County District Attorney's Office
Associations
2013 - Present
American Society of Legal AdvocatesMember
2013 - Present
Million Dollar Trial LawyersMember
2013 - Present
Association of Federal Defense AttorneysMember
1995 - Present
National Association of Criminal Defense LawyersAffiliate Member
1993 - Present
Pennsylvania Association of Criminal Defense LawyersMember
1990 - Present
Montgomery County Bar AssociationMember
Sample of Legal Cases
Commonwealth vs. Ziro
Court granted Motion to Suppress and charges were dismissed
Commonwealth vs. Dongwen Yang
Montgomery County jury found client not guilty.
Commonwealth vs. Samuel Guinyard
Defendant was found not guilty after a non-jury trial.
Commonwealth vs. Rueben Sanchez
Montgomery County judge granted defense motion for dismissal of all charges at end of prosecution's case.
Commonwealth vs.Owen Johnson
Lancaster County jury found defendant not guilty
Khalid Bakar vs. Home Properties, Inc.
Jury verdict in amount of $769,000.00
Education
1988
Widener University School of Law
JD - Juris Doctor
Speaking Engagements
2014
Bucks County Bar Association
Cross examination of police officers in consent to search automobile cases
2013
Montgomery County Bar Association, Criminal Law Section
Illegal Search and Seizure in Commonwealth vs. Basulto-Guererro
1989
Mock Trial Seminar-Montgomery County Fire Advisory Board
The Trial of An Arson Case
Publications
2012
1988
Delaware Journal of Corporate Law
Rule 10B-5 and Insider Trading under the Misappropriation Theory
Languages
English
Activity
Legal Answers
Legal Answers
Q&A
Is it possible to get charges dismissed in a falsly accused of child molestation during a preliminary hearing?
06 Mar 2018
Q&A
What are the consequences of violating ARD probation in Pennsylvania?
10 Nov 2015
Q&A
Should I take my underage drinking citation to court?
05 Sep 2015