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The Law Firm of John P. Mahoney

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Washington D.C. Federal Employment Law | MSPB Attorney

Washington, District of Columbia
Employment Attorney
3.8 - 39 Reviews

About the Attorney

The Law Firm of John P. Mahoney is a trusted source for individuals seeking an experienced employment attorney in Washington, D.C. Specializing in federal employment law and representing clients in cases before the Merit Systems Protection Board (MSPB), John P. Mahoney, Esq. offers decades of expertise and a proven track record of success. As the premier federal employment lawyer in the District of Columbia, he is dedicated to providing top-notch legal representation and fighting for the rights of federal employees. Whether you are facing discrimination, wrongful termination, or other employment-related issues, you can trust John P. Mahoney to advocate for your best interests. Contact his firm today to schedule a consultation and get the legal guidance you need.

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Client Reviews

Michael Smith Avatar
Michael Smith
8/25/2026
Mr Mahoney is an incrediably intelligent attorney with a very easy ccounselor manner. I found that the money I spent for my initial appointment with Mr Mahoney was well spent I will continue to use his council as I found him a wise and compassionate advisor. You would be well raken care of should you use his service.
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Mars F Avatar
Mars F
8/06/2026
Absolute crooks. Imagine getting screwed over by your job being desperate for help and NO ONE is willing to help unless you pay over 8K. They’ll absolutely take all your money knowing how rough a situation we are coming to them for help. If you don’t believe me, I’ve provided a screen shot of the initial email they sent me back. Go elsewhere. Update: I’m updating this after reading the reply they gave here. They say they’re “top rated” but how much of that matters to those of us that don’t have 8K to toss at a lawyer that MAY or MAY not win a case? Look at the other replies. I’m not the only one pointing out how they’ll drain you out of money. Crooks.
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Xiaoming Zhou Avatar
Xiaoming Zhou
6/23/2026
Mr. Mahoney’s initial consultation was very helpful. His firm was the third law firm I consulted, and I was impressed by his honesty and straightforward assessment of my case. He immediately explained what I could realistically achieve and what was unlikely to be attainable. He also outlined the strategy he believed would best advance my objectives and provided a clear understanding of the likely costs involved. I appreciated that his advice was grounded in his extensive experience in this field. After discussing the matter with my wife, I decided the following day to retain him and his firm to represent me.
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John Henry Avatar
John Henry
1/27/2026
If you are a federal employee but not on the GS pay scale, they will say that they are interested in taking your case, waste 2 weeks to “get back to you” and then only after following up will they say, “Oh sorry we only take cases with GS pay scale.” They knew that this was not a GS pay scale employer! CLOWNS!
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Jonelle Walters Avatar
Jonelle Walters
7/25/2025
An Extremely Disappointing Legal Experience — Over $15,000 Spent with No Results

I retained this law firm with the expectation of receiving expert legal counsel, timely communication, and strategic support. Unfortunately, my experience fell far short of those expectations.

I encountered rushed work, inconsistent communication, and a troubling lack of accountability. On the night of a critical filing deadline, I received a draft from the supervising attorney, Rochelle Young, at 11:00 PM—just one hour before submission. This left no opportunity for thoughtful review or revision. Additionally, the lead attorney on my case, Chris Lopez, submitted filings that I had previously raised concerns about, citing weak arguments and inadequate evidentiary support. My input was largely dismissed.

More concerning, the firm billed significantly beyond the original estimate—ultimately more than doubling the projected cost—without providing advance notice, justification, or an opportunity for me to reassess the engagement. At no point did the firm acknowledge any oversight or take responsibility for the breakdowns in service.

Throughout this process, I did not feel treated as a valued client. The professionalism, integrity, and diligence I reasonably expected were consistently lacking. It is both disheartening and frustrating to invest over $15,000—along with significant emotional energy—only to walk away without any meaningful progress or resolution.

Legal professionals must be held to high ethical and performance standards. Based on my experience, this firm failed to meet those standards in multiple critical areas

This could have been an easy case to win, if the time and attention was put into it.

PS- before the firm responds with all of their accolades, personal testimonials are also valid. I am sure this firm got where it is be doing great work, they just didn’t do great work for me. The firms awards yesterday (last year etc) holds little merit today for me as a client. Very disappointing!
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