Free Consultation
$0 first 60 minutes
Donald Matthew Knepper
also known as Donny, Donnie
About Donald
Biography
Donny Knepper is an experienced trial attorney practicing law out of Rockville, MD. He has been licensed and practicing in Maryland since 2006. He is also licensed in New Hampshire, Massachusetts and Washington, DC as well as the Federal District Courts for Maryland and New Hampshire.
Over the course of Mr. Knepper’s career he has had a proven track record of success having handled over 1000 cases. He has enjoyed significant victories and has a high rate of success in front of a jury and at trial.
Former United States MarineDonny Knepper graduated from the University of Richmond, School of Law in 2006, earning Cum Laude. Mr. Knepper is a former United States Marine having served on the Presidential Helicopter Squadron earning a Yankee White Top Secret Security Clearance. Mr. Knepper earned his undergraduate degree from Pennsylvania State University.
Practice Areas
5
Practice Areas
DUI and DWI
35%
19 years | 292 cases
Family
35%
19 years | 53 cases
Criminal Defense
20%
19 years | 326 cases
Personal Injury
5%
19 years | 15 cases
Fees and Rates
Cost
Payment Methods
- Cash
- Check
- Credit Card
Looking for an attorney? Avvo can help.
Search our directory
Quickly connect with top attorneys through our legal directory to get help with your legal issue.
Avvo's live chat agents can help coordinate a consultation with a local attorney.
Chat with a live agent who can match you with the right attorney for your legal needs.
Chat withLicenses
Licensed in Pennsylvania for 6 years
State: Pennsylvania
Acquired: 2020
No misconduct found
Licensed in District of Columbia for 12 years
State: District of Columbia
Acquired: 2014
No misconduct found
Licensed in Maryland for 19 years
State: Maryland
Acquired: 2006
No misconduct found
Licensed in Massachusetts for 15 years
State: Massachusetts
Acquired: 2011
No misconduct found
Licensed in New Hampshire for 15 years
State: New Hampshire
Acquired: 2010
No misconduct found
Location
The Law Offices of Donny Knepper
100 South Washington St., Rockville, MD, 20850
Gallery
Ad
Transform legal challenges into solutions.
Connect now to review your situation.
Donald Matthew Knepper's Reviews
Avvo Review Score
47 Client Reviews
Filter Avvo Reviews (47)
Refine reviews to match your needs. Use the filters to quickly surface reviews that align with your case or priorities.
Practice Areas
Criminal Defense (24)
DUI & DWI (11)
Speeding & Traffic Ticket (7)
Child Custody (6)
Family (5)
Appeals (4)
Child Support (4)
Divorce & Separation (3)
Lawsuits & Disputes (3)
Litigation (2)
Administrative Law (1)
Business (1)
Domestic Violence (1)
Estate Planning (1)
Expungement (1)
Juvenile (1)
Mediation (1)
Trusts (1)
Uncontested Divorce (1)
Violent Crime (1)
What Clients Mention
Case Results (39)
Advocacy (27)
Recommendation (24)
Professionalism (18)
Communication Style (17)
Practice Area Knowledge (14)
Character & Conduct (13)
Cost of Services (13)
General Knowledge (12)
Trustworthiness (12)
Responsiveness (10)
Compassion (7)
Punctuality (2)
Staff & Support (2)
Free Consultations (1)
Payment Plans (1)
Showing 6 - 10 of 14 reviews | Practice Area Knowledge
Posted by Jorge | October 30, 2016 | Hired Attorney | DUI & DWI
Great, knowledgeable, personable, and connected lawyer
I hired Donny for a first-time DUI case. He was clear and articulate about my options from the start. He was realistic from the start and offered sound legal advice. At the end, Donny was able to get me a Probation Before Judgment by haggling directly with the prosecutor in trial. He was very strong ...
Posted by anonymous | July 25, 2016 | Hired Attorney | Child Custody
Excellent, knowledgeable and Effective Attorney
I retained Attorney Knepper for a case involving a parental custody agreement recently. From the initial consultation to the end, he displayed extensive knowledge and rigor regarding parenting laws in the State and offered very solid advise and alternatives. He successfully executed a very excellent ...
Posted by DeAndre | November 03, 2015 | Hired Attorney | DUI & DWI
Awesome!
I couldn't wait to get home and give this review. This man is a great lawyer by all mean. I hired him for a DWI case and he came through for me. He's very reassuring and confident. The case wasn't dropped but he did all he could and got me the best option possible. It was my fist time dealing with an...
Posted by Yeny & John | October 09, 2015 | Hired Attorney | Child Custody
Fair, knowledgeable, dependable & trustworthy
We had a very complicated custody and child support case and needed an attorney who knew the law, could be a helpful resource, and serve as a forceful advocate when needed. Donny is very knowledgeable about current case law and was on top of our case every step of the way. He is the type of attorney...
Posted by anonymous | June 11, 2015 | Criminal Defense
Client
Mr. Knepper handled a criminal case for a family member and did a great job. He was very professional, diligent and extremely compassionate. He explained things very well and kept us well informed throughout the process. I would definitely utilize his services again should the need arise and I recomm...
Donald Matthew Knepper's Lawyer Endorsements
"Excellent family law attorney who is dedicated to client success."
"I have had the opportunity to witness Mr. Knepper in court and am impressed by his professionalism and ability to win for his clients."
"I endorse Donny Knepper without condition. Donny is an exceptionally talented attorney, who knows the court system well and has strong mastery of civil procedure and litigation tactics. If Donny is the opposing counsel, you had better prepare well for any court event, as he is a forceful advocate for his clients and appears to take every opportunity to advance his clients' interests. It is easy to see why he has made a strong name for himself in the Maryland legal community. Also, as a former (always) U.S. Marine, he brings that diligence, ethics and controlled aggressiveness that is so important for a successful trial attorney. The Maryland Judges and Magistrates seem to recognize this, and give him the respect that is rightly due."
"I endorse this lawyer. I have known Mr. Knepper for years and have had the opportunity to try multiple cases with him. He is a formidable opponent. He is knowledgeable on the law and is an effective litigator, which can be a rare combination. I would not hesitate to recommend his services."
"Mr. Knepper is an exceptionally zealous advocate for his clients. I am always impressed how much he will go the extra mile to effectively represent his client."
"I endorse this lawyer. Mr. Knepper is one of the most experienced attorneys in the State of Maryland. He is extremely knowledgeable and effective in court. Mr. Knepper is known for getting fantastic results and is consistently aggressive in his representation."
"Donny is a good lawyer who takes pride in good preparation and good results."
"I endorse this lawyer. Mr. Knepper is an aggressive litigator who always brings his passion for winning and client dedication into the court room. He is highly respected by his colleagues, and most importantly, by the prosecutors and Judges. His clients receive the best in legal representation and Mr. Knepper has won numerous difficult and complex cases in trial. Any prospective client would do extremely well to seek counsel from Mr. Knepper."
"Donny brings a high minded work ethic, can-do attitude, and creative problem solving approach to each of his clients. He is an out of the box thinker who consistently delivers the goods. We've been impressed in his over the top delivery of legal services. Don't let his cool demeanor fool you-- Donny under promises and over delivers."
"It is my pleasure working with Donny to administer a trust. Donny is incredibly responsive to the client and to all other parties who are involved in managing this complex trust. He is guided by a high degree of professionalism, civility, and integrity."
"I have known Donny for a long time. It is always a pleasure seeing him in court representing his clients. He is a zealous advocate who will give a client every bit of attention they deserve."
Jennifer Page
Unknown lawyer
Michael Golburgh
Family lawyer
Christina Hughes
Family lawyer
Joshua Berman
Personal injury lawyer
Brian Sadur
Family lawyer
Prudence Upton
Unknown lawyer
Benjamin Bruins
Unknown lawyer
Joseph Fay
Criminal defense lawyer
Robinson Rowe
Litigation lawyer
Jeremy Rachlin
Business lawyer
Jeffrey Katz
Estate planning lawyer
Shawn Gritz
DUI and DWI lawyer
Experience
Honors
2019
Super Lawyer, Super Lawyers
2016
Rising Star, Super Lawyers
2015
Rising Star, Super Lawyers
2006
Cum Laude, University of Richmond
2000
Yankee White Top Secret Clearance, United States Marine Corps
2000
Presidential Service Badge, United States Marine Corps
2000
Good Conduct Medal, United States Marine Corps
Work Experience
2013 - Present
Principal, The Law Offices of Donny Knepper
2006 - 2013
Associate, The Law Offices of Dan Gaskill
1998 - 2002
Presidential Helicopter Squadron, United States Marine Corps
Associations
2015 - Present
Maryland Criminal Defense Attorneys' AssociationMember
2006 - Present
Montgomery County Bar AssociationMember
2006 - Present
Maryland State Bar AssociationMember
2014 - 2014
American Inns of CourtMember
Sample of Legal Cases
State vs. Lewis
Not Guilty
State vs. Addison
Nolle Prosequi
Education
2006
University of Richmond, The T. C. Williams School of Law
JD - Juris Doctor
2002
Pennsylvania State University
BS - Bachelor of Science
Languages
English
Activity
Legal Answers
Legal Guides
Legal Answers
Q&A
Will pbj show up on a background check?
30 Apr 2015
Q&A
I'm 20. Got a DUI. I don't want the interlock. How long will my license be suspended?
08 Mar 2015
Q&A
Domestic violence case re opened , due to my filing motion to seal/ shield
02 Mar 2015