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also known as LTC(Ret) Mangan, US Army, Mangan Law
Unmatched Experience in military justice matters. For 30 years I've worked criminal cases from every angle: on the streets and in the courtroom, civilian and military jurisdictions at local, state, and federal levels. I've been a law enforcement officer, Soldier, prosecutor, defense counsel, magistrate, appellate counsel, law professor, and judge. As a retired Army JAG Lieutenant Colonel, with prior Military Police and Special Operations experience, I bring a superior range of skills, knowledge, and abilities to serve you.
My services are reserved for those who serve: Uniformed Military Personnel, DOD Civilians, and WA Law Enforcement Officers. If everything you've built and worked so hard to achieve is at risk, don't take chances. Your service deserves the best defense. My team and I are ready to fight for you!
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Chat withState: Washington
Acquired: 2019
No misconduct found
State: Oregon
Acquired: 2003
No misconduct found
10661 Old Frontier Rd NW, Suite 211, Silverdale, WA, 98383
122 Client Reviews
Showing 1 - 5 of 6 reviews | Staff & Support
Posted by Kojo | May 04, 2024 | Hired Attorney | Military Law
Commanders Investigation
Both Sean and his staff, were extremely helpful from the consultation to the conclusion of my case. Sean’s knowledge of military law and regulations and his commitment to his clients is exceptional. As a military officer facing an allegation that could end my career, Sean and his team gave me hope. I...
Posted by Jason | December 28, 2023 | Hired Attorney | Lawsuits & Disputes
Alaskan specialist
Sean helped get my life back on track. My ex girlfriend put a false sharp case against me of basically he said she said. And it took 18 months to be solved. Sean worked tirelessly to clear my name. He called me monthly with updates and just to check in and see how I was doing. I didn’t feel like a cl...
Posted by Matthew | May 05, 2023 | Hired Attorney | Criminal Defense
Acquittal of DV Charges and Dismissal of SA charge!
A year ago now (May) I was extremely caught off guard by 2 domestic violence allegations by my wife and 1 sexual assault against my first wife. Once charges were preferred in August, I hired Mr Mangan and he immediately put my mind at ease that we would be able to handle them and I would be able to c...
Posted by Jeff | March 22, 2021 | Hired Attorney | Military Law
LIFE SAVER
The end of 2019 I was falsely accused of absurd charges that resulted in a GOMOR. I wasn’t sure what to think of the outrageous charges filed against me and didn’t know how to go about fighting it. I relied on TDS to help me but they only advised me to ask for forgiveness and leniency due to my impec...
Posted by anonymous | September 23, 2020 | Hired Attorney | Military Law
Brought in a win against high odds
I was up against eight specifications of a bogus Art. 120 charge and an Art. 134 charge as a Captain (O3). I called UCMJDefender and Joselyn immediately brought Sean in on the consultation call to begin working through my case. Throughout the process Sean was checking in to ensure that I was doing al...
"I met Sean when I was a legal intern back in 2014. Now, we work together at The Law Offices of Sean F. Mangan, PLLC. I cannot say enough good things about Sean. He knows military law as good or better than anyone I have ever met. He is incredibly skilled in the courtroom. He is a thoughtful and creative problem solver with administrative issues. He has a deft hand with managing clients' problems and a wide network of professional relationships. I strongly recommend him and am proud to call him my mentor."
"Sean Mangan is an expert litigator and a master in the courtroom. I had the fortune of working with Mr. Mangan on a criminal case that went to trial. The client's interests were represented to the full maximum potential. As an attorney, I would turn to Sean Mangan for tips on a wide spectrum of topics. I learned a great deal from Sean. With his knowledge base and calm demeanor, he made the trial team feel confident every step of the way. Sometimes, the battle is won before trial begins and Sean prepares his clients like no other. Highly recommend."
"I worked with Sean on several cases as his co-counsel. He is a knowledgeable professional with years of experience, including time as a military judge. He provided excellent representation to his clients and got results beyond expectations. Judges he practices in front of see him as a peer and respect his experience and arguments."
"Sean Mangan is one of the most knowledgeable and hardworking attorneys in his field. Dedicated and committed to every client and every case, Sean brings experience as a prior military judge, prosecutor, and defense attorney. I do not hesitate to endorse him."
"I wholeheartedly endorse this lawyer. Sean is an exceptional attorney with a ton of experience. What people cannot learn from experience, Sean naturally possesses. This means he is a knowledgeable, talented, and gifted lawyer."
Military law lawyer
Military law lawyer
2010
Bronze Star Medal, DOD
2001
Superior Advocate Award- Mock Trial, University of Oregon School of Law
2020 - Present
Owner/Attorney, Mangan Law
2018 - 2020
Criminal Law Policy Attorney, US Army
2015 - 2018
Trial Judge, US Army
2013 - 2015
Regional Defense Counsel, Us Army Jag Corps
2010 - 2013
Professor of Criminal Law, TJAGLCS
2009 - 2010
Special Operations Legal Counsel, DOD/Joint Task Force
2008 - 2009
LLM Candidate, Us Army Jag Corps
2007 - 2008
Supervising Appellate Counsel, Us Army Jag Corps
2006 - 2007
Appellate Counsel, Us Army Jag Corps
2005 - 2006
Chief of Military Justice, Us Army Jag Corps
2005 - 2006
Special Assistant United States Attorney, Department Of Justice
2004 - 2004
Military Magistrate, Us Army Jag Corps
2003 - 2004
Administrative Law Attorney, Us Army Jag Corps
2002 - 2002
Intern Prosecutor, Lane County Prosecuting Attorney
2001 - 2002
Intern Prosecutor, Us Army Jag Corps
1996 - 2000
Officer, US Army Military Police
2021 - Present
Washington Defenders AssociationMember
2020 - Present
International Association of Military Criminal Defense LawyersMember
2019 - Present
Washington State Bar AssociationMember
2003 - Present
Oregon State Bar #035465Member
2000 - Present
American Bar AssociationMember
NG to 10 of 11 charges. Appeal ongoing with USAF Ct of Criminal Appeals
Full Acquittal: Not Guilty to all Charges and Specifications
Not Guilty to all contested charges, no punishment adjudged
Full Acquittal, NG to All Charges and Specifications
2011
Leadership
2009
LLM Military Criminal Law
2003
JD - Juris Doctor
1996
BA - Bachelor of Arts Sociology and Philosophy
2016
Military Justice Overview and Update
2020
2011
English
Legal Answers
What is the statute of limitation on court fines?
26 Jun 2023
Will i go to jail if I was driving and didn’t stop for a cop?
29 Jun 2023
If mysonhascustodyofhisson, canIseek guardianship so that my son may go in the Army
24 Jun 2023