Atty. John Kosmidis
John Kosmidis is a lawyer practicing lawsuits & disputes, investigations & business crimes, litigation and 4 other areas of law. John received a A.B. degree from Harvard College in 2001, and has been licensed for 19 years.
Investigations & Business Crimes & More Attorney · Serving Washington, DC · 19+ Years Experience
Profile Summary
About John Kosmidis at a Glance
John Kosmidis is an Associate based in Washington, District of Columbia, practicing at Baker And Mckenzie. They have 19+ years of legal experience, licensed to practice since 2007. Their practice focuses on criminal defense, business, white collar, and litigation. Admitted to practice in New York (2007) and District of Columbia (2013). Educated at Georgetown University Law Center (J.D., 2006) and Harvard College (A.B., 2001). Serves clients in Washington, DC and the surrounding metropolitan area.
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About John Kosmidis
- John Kosmidis is a lawyer practicing lawsuits & disputes, investigations & business crimes, litigation and 4 other areas of law
- John received a A.B. degree from Harvard College in 2001, and has been licensed for 19 years
- John practices at Baker & McKenzie in Washington, DC
Practice Areas Explained
John Kosmidis's Areas of Legal Practice
Each practice area below reflects the types of cases John Kosmidis handles, with a practical overview of what that area of law involves and how it may apply to your situation in Washington.
Criminal Defense in Washington
A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.
John Kosmidis is one of 212,605 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in District of Columbia →
Business & Corporate Law in Washington
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
John Kosmidis is one of 497,491 business attorneys indexed nationally. Browse business attorneys in District of Columbia →
White Collar Crimes in Washington
John Kosmidis is one of 19,824 white collar attorneys indexed nationally. Browse white collar attorneys in District of Columbia →
Civil Litigation in Washington
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
John Kosmidis is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in District of Columbia →
Jurisdictional Context
Why Local Counsel Matters in Washington
Practicing law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in District of Columbia courts without local counsel or pro hac vice admission.
Washington Courts and Legal Process
Choosing a Washington-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.
Frequently Asked
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Professional Profile
Why Clients in Washington Choose John Kosmidis
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish John Kosmidis's practice in the field of criminal defense, business, white collar, and litigation.
Decade-Tested Legal Experience
John Kosmidis brings 19+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in New York and District of Columbia, John Kosmidis can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering criminal defense, business, and white collar, John Kosmidis can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Washington
A Washington-based practice means John Kosmidis attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues John Kosmidis Handles in Washington
Below is a representative sample of the types of matters John Kosmidis has experience with under District of Columbia law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact John Kosmidis directly to discuss the specifics of your situation.
Search Reference
How People Find John Kosmidis Online
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John Kosmidis's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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