From DUI to domestic violence, theft to drug crimes, I’ll help you win.


Jon Fellner has been practicing criminal defense law for almost 20 years, the last 14 years in Maryland and the District of Columbia. In this time, Jon has built an excellent reputation as an aggressive advocate who works tirelessly to achieve the best possible results for his clients. Jon handles all of his own cases and is known for listening to his clients, building strong cases and helping his clients win.

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Contact Mr. Fellner by e-mail at, by telephone at 301-309-2000 or with the email form to set up a free consultation today. We make time to see clients in the evening and on the weekend, as well. We accept all major credit cards.