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Loudoun County Criminal Defense Lawyer

Top-rated Criminal lawyer / DUI attorney

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Beat the Prosecution

If you're facing criminal charges in Loudoun County, Virginia, you need a battle-tested criminal defense lawyer who knows the local court system and is ready to fight back — not negotiate your future away. Criminal attorney Jon Katz has successfully defended thousands of clients throughout Northern Virginia, including Loudoun County’s General District and Circuit Courts in Leesburg. From DUI and drug charges to assault and battery, theft, and serious felonies, Jon Katz delivers aggressive, personalized strategies designed to challenge the prosecution and protect your rights.

Located in Leesburg, the Loudoun County courthouse is a busy venue for misdemeanor and felony prosecutions. Loudoun borders Fairfax County, where Virginia criminal lawyer Jon Katz is based. Since 1999, Jon has regularly defended clients charged with criminal and DUI offenses in this courthouse. With decades of experience, he knows how to spot weaknesses in the prosecution’s case, challenge unlawful procedures, and pursue every opportunity for a favorable outcome — in order to deliver a strong defense for his clients.

Jon Katz Virginia Criminal Defense Lawyer
Jon Katz - Virginia Criminal Lawyer

DUI Defense: Know Your Rights, Fight the Penalties

A DUI charge in Loudoun County is not the end of the road — it’s the start of your defense. Virginia DUI laws are harsh, but Loudoun DUI lawyer Jon Katz is relentless in challenging every aspect of your stop, arrest, and prosecution. Whether it’s unlawful police stops, flawed field sobriety tests, or unreliable breath and blood testing, Jon scrutinizes every detail. Prosecutors count on your fear and confusion. Jon Katz arms you with a powerful defense strategy and the confidence to fight back.

If you face a first-time DUI, a refusal charge, or a second or subsequent DUI offense, don’t assume your case is unwinnable. Katz Justice offers proven experience with Loudoun DUI cases — and the courtroom tenacity to go the distance.

Drug Charges: Prosecutors Overreach — You Push Back

Loudoun prosecutors aggressively pursue drug convictions — but aggressive prosecution doesn’t equal guilt. Whether you’re charged with possession, distribution, or conspiracy, Jon Katz knows how to challenge the evidence, protect your rights, and fight for the best possible outcome. From prescription medications to alleged large-scale operations, Katz Justice treats every drug case like the serious matter it is.

Illegal searches, unconstitutional stops, and weak lab results are common in these cases. Jon doesn’t let prosecutors cut corners or inflate charges. As your Loudoun drug defense lawyer, he’ll demand accountability — and fight like your freedom depends on it, because it does.

Assault and Violent Crimes: Your Story Matters

When charged with assault or any alleged violent crime in Loudoun County, the odds can feel stacked against you. Police often rush to judgment. Prosecutors may treat you as guilty from the start. Jon Katz pushes back hard. He knows that assault charges often stem from misunderstandings, self-defense, or exaggerated claims.

Whether you're charged with misdemeanor assault or felony malicious wounding, Katz Justice stands up for your side of the story — in and out of court. Jon prepares your case for battle and never backs down from trial. Your rights, liberty, and future deserve nothing less.

Firearms and Weapons Charges: Your Rights, Defended

Gun charges in Loudoun County can trigger mandatory minimums and carry serious felony consequences. Virginia’s firearms laws are strict, and prosecutors know how to use them to intimidate and overcharge. Whether you're accused of carrying a concealed weapon without a permit, possessing a firearm as a felon, or using a weapon during the commission of a felony, you need a serious legal advocate. Firearms defense lawyer Jon Katz knows how to challenge weapons stops, search warrants, and alleged intent — defending your constitutional rights with both legal insight and courtroom firepower.

Jon Katz knows the stakes — including mandatory minimums and long-term collateral consequences. He also knows how to challenge unlawful searches, improper police stops, and flawed assumptions about gun possession. As your Loudoun firearms defense lawyer, Jon ensures your constitutional rights are protected and the prosecution is held to its burden of proof.

Rape and Sexual Assault Defense: Every Accusation Deserves a Relentless Defense

Being charged with rape or sexual assault in Loudoun County is overwhelming — emotionally, legally, and socially. The mere accusation can cause serious damage to your reputation, relationships, and livelihood. But no matter how serious the charge, you still have rights. And Loudoun rape defense lawyer Jon Katz is here to protect them.

These cases often hinge on credibility, blurred boundaries, and conflicting accounts. Jon Katz digs deep — challenging the reliability of witness statements, scrutinizing forensic evidence, and exposing weaknesses in the government’s case. He handles every step of the process with discretion and determination, knowing what’s at stake. Whether you're facing a felony rape charge, aggravated sexual battery, or a campus-related Title IX allegation, Katz Justice will never let the prosecution define you or your future.

Sex Crimes Defense: Accusations Demand Aggressive Defense

Sex offense charges in Loudoun County carry heavy social stigma and legal consequences — even before a trial ever begins. Jon Katz knows the stakes are life-changing. Whether you're facing accusations of sexual assault, indecent liberties, or exploitation of a minor, Katz Justice provides the strategic, confidential, and aggressive defense you deserve.

False allegations, mistaken identity, and lack of intent are common issues in sex crime prosecutions. As a seasoned Loudoun sex crimes lawyer, Jon Katz thoroughly investigates each claim, challenges unreliable witnesses, and holds the government accountable at every step. Your future, reputation, and liberty are too important to leave in the hands of the prosecution alone.

Cybercrime Defense: Digital Doesn't Mean Guilty

With more prosecutions built on internet use and digital devices, cybercrime defense has become a Katz Justice specialty. As digital evidence becomes more common in Virginia courts, so do misunderstandings and overcharging. Whether you’re accused of online fraud, unauthorized computer access, identity theft, or possession of unlawful digital content, Jon Katz understands how to defend against complex tech-based charges.

Loudoun County prosecutors often rely on intimidating computer jargon and digital footprints to make their case. Jon Katz breaks it down — challenging chain of custody, search warrants, and assumptions about who controlled the device. Cybercrime charges are technical, but your defense is human: assertive, thorough, and laser-focused on your rights.

Child Pornography Defense: Discretion. Strategy. Power.

Being charged with child pornography in Loudoun County can feel like an avalanche. But even these serious accusations demand — and deserve — a constitutionally grounded defense. Jon Katz brings a rare combination of fearlessness and discretion to these sensitive cases, treating clients with dignity while forcefully attacking weaknesses in the prosecution’s case.

From challenging forensic reports to contesting search warrants and computer access, Loudoun child pornography lawyer Jon Katz has the experience to navigate these emotionally charged proceedings with precision and power. Your rights are not negotiable — even in the toughest courtroom arenas.

Homicide Defense: When Everything’s on the Line

When your life and freedom are at stake in a murder or manslaughter prosecution, nothing short of an all-in defense will do. Jon Katz has spent decades standing beside people accused of homicide and other serious violent felonies — and winning where others wouldn’t try. In Loudoun County, where juries and prosecutors may lean conservative, preparation and courtroom skill are everything.

From forensic review to self-defense claims to challenging witness credibility, Loudoun homicide lawyer Jon Katz doesn’t leave anything to chance. He prepares every homicide case as if it will go to trial — and is always ready to take it there if needed.

Loudoun County's courthouse is a busy one

Loudoun County spans the Dulles International Airport, developed business and residential areas, and farm country. The Loudoun/ Leesburg courthouse is always busy.

Unfortunately, greeting visitors to the courthouse grounds is a confederate soldier statue with rifle in hand. That is the wrong message for jurors, and is barely offset by a sidewalk plaque paying tribute to Martin Luther King, Jr. (UPDATE: The confederate soldier statue was removed on July 21, 2020.)

The Loudoun County courthouse, in Leesburg at 18 E. Market Street, has four Circuit Court judges, four General District Court judges, and two Juvenile and Domestic Relations District Court judges.

Do not expect to find jurors biased against police or prosecutors in this county

Loudoun County is in Northern Virginia and is three counties away from Washington, D.C. The jury pool should be expected to generally to be pro-police, without initial anti-prosecutorial biases.

In the county's General District Court, hearings must be set well in advance of the requested court date, and court files must be requested well in advance for review. Fortunately, the court clerk accepts faxes from lawyers to schedule court dates and to request court files for review.

Typically, General District Court discovery can be obtained well in advance of trial from the prosecutor's office. For such cases, the prosecutor's office typically provides a copy of portions of the police reports that the prosecutor believes must be disclosed under Virginia Supreme Court Rule 7C:5 and makes incident videos available for review at the Commonwealth's Attorney's Office.

Often the first trial date can be continued on that date in General District Court. However, it is best to go to any trial date with a lawyer.

Here is a link to the Loudoun County Circuit Court criminal procedural information.

Non-lawyer visitors to the county courthouse are barred from bringing cellphones that have cameras. Courthouse visitors may leave their cellphones in their cars or in the small lockers found in the courthouse before entering the security line.

Plentiful courthouse parking is found at nearby surface and covered parking lots.

Loudoun County criminal lawyer Jonathan L. Katz pursues your best defense in Leesburg/Loudoun County and beyond, against felony, misdemeanor & DUI prosecutions. Call 703-383-1100 for a free consultation and action plan with Jon Katz about your court-pending criminal or DWI case.

Defending in Loudoun County, including:

  • Ashburn
  • Leesburg
  • Lovettsville
  • Middleburg
  • Purcellville
  • South Riding
  • Sterling

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