The Law Firm of John P. Mahoney, Esq. Attorneys at Law, PLLC

The Law Firm of John P. Mahoney, Esq. Attorneys at Law, PLLC Protect and enhance your federal career with top-rated legal representation from the law firm of John P. Mahoney, Esq. Attorney at Law, in Washington, DC.

Protect your federal career with Preeminent-Rated & Award-Winning legal representation from The Worldwide Federal Employees Law Firm of John P. Mahoney, Esq., Attorneys at Law, in Washington, DC. John Mahoney is a top-rated attorney representing federal employees, unions, employee associations, contractors, and agencies in employment and national security law cases throughout the USA and around th

e world. If you’re facing a federal employment law issue, contact John P. for effective and proven representation. With 30 years of experience, we are dedicated to enforcing the rights of clients involved in employment discrimination and whistleblower retaliation cases, MSPB appeals, EEO complaints, EEOC cases, OFO appeals, OSC complaints, performance cases, proposed disciplinary actions, security clearance law appeals, and more. Whether you’re a federal employee, or a union, a contractor, or an agency representative, we can provide a personalized solution to your or your organization’s unique issue. Call today to schedule a phone consultation.

A security clearance denial doesn’t have to be the final word. From strict administrative deadlines to the "whole-person...
09/02/2026

A security clearance denial doesn’t have to be the final word. From strict administrative deadlines to the "whole-person" evaluation framework, the details of your appeal matter. Know what it takes to mitigate agency concerns and safeguard your livelihood.

Don't let a security clearance revocation end your federal career.

We are pleased to share that we have been recognized by our peers in the 2027 edition of The Best Lawyers in America® fo...
09/02/2026

We are pleased to share that we have been recognized by our peers in the 2027 edition of The Best Lawyers in America® for our work in Employment Law - Individuals.

Recognition in Best Lawyers reflects the confidence and respect of fellow lawyers who know the work and the profession. For more than 40 years, Best Lawyers has been grounded in a simple principle: the best lawyers know who the best lawyers are.

Recognition is determined through peer-review process, not through paid placement or self-nomination, and no fee is required to be considered or recognized. This independent process has remained at the heart of Best Lawyers since its founding in 1981.

The Law Firm of John P. Mahoney, Esq., Attorneys at Law, PLLC is excited to announce that Kyle F. Bosket, Esq. has joine...
09/01/2026

The Law Firm of John P. Mahoney, Esq., Attorneys at Law, PLLC is excited to announce that Kyle F. Bosket, Esq. has joined the firm as a Partner!

Kyle brings extensive experience representing federal employees in employment law matters. His practice focuses on federal employment law, including litigation and advocacy on behalf of federal employees navigating complex workplace issues and disputes.

With his experience and knowledge of federal employment law, Kyle is a valuable addition to the firm and further strengthens our ability to advocate for federal employees.

Please join us in welcoming Kyle to our team!

Title 38 employees (VA doctors, nurses, and certain medical personnel) have distinct statutory protections and appeal ro...
08/27/2026

Title 38 employees (VA doctors, nurses, and certain medical personnel) have distinct statutory protections and appeal routes. We provide knowledgeable guidance as you face issues and challenging situations in your career. The Law Firm of John P. Mahoney, Esq. is here to help. Visit https://www.attorneymahoney.com/s/l7Y5W2h

08/26/2026

Federal whistleblowers perform a vital service to the American public, yet they are too frequently subjected to prohibited personnel practices and harsh workplace retaliation. The Law Firm of John P. Mahoney, Esq., Attorneys at Law, PLLC is ready to be your advocate. Let us help you protect your rights and your career! Visit https://www.attorneymahoney.com/s/j1a1s80

Did you disclose waste, fraud, abuse, or a legal violation? Federal Whistleblowers are protected from retaliation. We de...
08/25/2026

Did you disclose waste, fraud, abuse, or a legal violation? Federal Whistleblowers are protected from retaliation. We defend your rights under the Whistleblower Protection Act (WPA). Reach out to The Law Firm of John P. Mahoney, Esq., Attorneys at Law, PLLC now! Visit https://www.attorneymahoney.com/s/4662n80

08/21/2026

: Age discrimination targets employees based on their age. Don't let age stop you from pursuing your career goals. Your skills and experience are valuable, no matter how old you are.

Talk to The Law Firm of John P. Mahoney, Esq., Attorneys at Law, PLLC now! Visit https://www.attorneymahoney.com/s/N9e1T84

If you have been handed a downgrade or an unjust rating, you have specific administrative rights to file a grievance, an...
08/20/2026

If you have been handed a downgrade or an unjust rating, you have specific administrative rights to file a grievance, an OSC complaint, or an EEOC claim. Read this blog to discover how to properly document your achievements and challenge agency overreach.

Discover the legal options for federal employees facing unjust performance reviews or retaliation.

If you receive a PIP, it's essential to understand the specific performance deficiencies cited and the goals outlined. W...
08/19/2026

If you receive a PIP, it's essential to understand the specific performance deficiencies cited and the goals outlined. We help you analyze the PIP and determine the best strategic response. Reach out to The Law Firm of John P. Mahoney, Esq., Attorneys at Law, PLLC now. Visit https://www.attorneymahoney.com/s/H6e0d62

Experiencing severe and pervasive harassment in your federal workplace? You don't have to tolerate a hostile work enviro...
08/18/2026

Experiencing severe and pervasive harassment in your federal workplace? You don't have to tolerate a hostile work environment. We advocate for federal employees' right to a safe workplace. Talk to The Law Firm of John P. Mahoney, Esq., Attorneys at Law, PLLC now! Visit https://www.attorneymahoney.com/s/F8l1S7t

Address

1025 Connecticut Avenue NW Suite 1000, 10th Floor
Washington D.C., DC
20036

Opening Hours

Monday 8:30am - 5:30pm
Tuesday 8:30am - 5:30pm
Wednesday 8:30am - 5:30pm
Thursday 8:30am - 5:30pm
Friday 8:30am - 5:30pm

Telephone

+12023503881

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