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Mark Allan Hammer
About Mark
Biography
At our firm, we are innovative and results-oriented. We do not limit ourselves to one single approach or one single philosophy.
When a case requires aggressive action, we are aggressive. When a case requires negotiation, we work to negotiate a beneficial outcome. Through decisive and strategic action, we strive to achieve the best possible results that protect our client's rights, record and freedom.
Prior to becoming a criminal defense lawyer, founding attorney, Mark A. Hammer, spent more than 13 years as a prosecutor, and taught trial advocacy and criminal procedure to police and prosecutors from Seattle to South Carolina. Mr. Hammer's experience as a prosecutor provides each client we serve with a decided advantage when it comes to presenting a criminal defense in state or federal courts. Knowing how law enforcement officers and prosecutors assemble their case and understanding their motivations can be vital if it is necessary to negotiate a plea or push for a full jury trial.
The Hammer Law Firm places an emphasis on complex criminal charges, including federal criminal charges, white collar crimes, violent crimes, felony drug charges, gang-related crimes, weapons offenses and sex crimes. We also offer experienced representation on behalf of clients charged with a DUI/DWI, theft, domestic violence or drug possession charges.
Practice Areas
5
Practice Areas
Criminal Defense
96%
14 years
DUI and DWI
1%
14 years
Domestic Violence
1%
14 years
Federal Crime
1%
14 years
Fees and Rates
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Chat withLicenses
Licensed in Missouri for 16 years
State: Missouri
Acquired: 2009
No misconduct found
Licensed in Minnesota for 30 years
State: Minnesota
Acquired: 1995
No misconduct found
Licensed in Washington for 35 years
State: Washington
Acquired: 1990
No misconduct found
Licensed in California for 38 years
State: California
Acquired: 1987
No misconduct found
Location
The Hammer Law Firm, LLC
1430 Washington Avenue., Suite 325, Saint Louis, MO, 63103
The Hammer Law Firm, LLC
100 Chesterfield Business Pkwy, Suite 200, Chesterfield, MO, 63005
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Mark Allan Hammer's Reviews
Avvo Review Score
13 Client Reviews
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Practice Areas
Showing 1 - 4 of 4 reviews | Responsiveness
Posted by Cathy | December 05, 2021 | Hired Attorney
Felt very abandoned
Our initial meeting with Mark went very well. He received a $1500 retainer from us that was not at all easy for us to come up with. The meeting lasted 3 hours and we left feeling confident that his assurances for a good outcome were well-grounded. If you consider only 2 other 30-second communications...
Posted by John | April 02, 2018 | Hired Attorney | Criminal Defense
Educated lawyer who will fight to win !!!
Mark and his entire staff worked dillegently to ensure I was kept up to speed on all Important details and dates of my legal situation. I felt Mark was truly vested in the successful outcome of my situation. He was able to successfully answer all legal, policy, and procedure questions , proving his ...
Posted by anonymous | January 17, 2017 | Hired Attorney | Criminal Defense
Excellent Lawyer
This lawyer was able to keep me from obtaining a criminal record. Throughout the entire process him and his secretary were there to answer any questions that me and my family had.
Posted by anonymous | December 24, 2012 | Juvenile
Juvenile Law
I came to the internet in search of a lawyer experienced in juvenile law and without a clue I took a chance with the Hammer law firm. Sent Mark an e mail on a Sunday afternoon and within a few hours he called me and a few days later he drove three hours to our house and sat at our kitchen table and w...
Mark Allan Hammer's Lawyer Endorsements
"I endorse this lawyer."
"When I was a prosecuting attorney I had the privilege of meeting Mark Hammer on a case. He was an aggressive and zealous advocate for his client and got his client a very favorable result. I was impressed by his skill and professionalism."
"Mark is a wonderful attorney, and he taught me quite a bit about the practice of law. He has remarkable trial skills."
"Mark is a skilled, smart attorney who works tirelessly to aid his clients."
"A quick review of Mark's credentials will leave you with no doubt of his skill and experience. He was great to work for and he would be the first person I'd call if I ever needed assistance on a criminal matter."
Nicole Chiravollatti
Criminal defense lawyer
Jeffrey Goldfarb
Criminal defense lawyer
Experience
Work Experience
2010 - Present
Adjunct Professor of Law, Saint Louis University
2009 - Present
Managing Attorney, The Hammer Law Firm, LLC
2005 - 2009
Assistant Prosecuting Attorney, Ramsey County Attorney's Office
Associations
American Bar Association
Member
National Association of Criminal Defense Attorneys
Member
Missouri Association of Criminal Defense Attorneys
Member
Bar Association of Metropolitan Saint Louis
Member
Theodore McMillian American Inn of Court
Master of the Bench
Eastern District of the Missouri’s Criminal Justice Act (CJA) Program
Lead Panel Attorney
Education
1986
University of Iowa College of Law
JD - Juris Doctor
1984
University of Iowa
BS - Bachelor of Science
Languages
English