Atty. Mark Daniel Jansen
Mark Daniel Jansen is a lawyer practicing criminal law. Mark received a degree from Arizona Summit Law School, and has been licensed for 14 years.
Criminal Law Attorney · Serving Phoenix, AZ · 14+ Years Experience
Profile Summary
About Mark Daniel Jansen at a Glance
Mark Daniel Jansen is a criminal defense attorney based in Phoenix, Arizona. They have 14+ years of legal experience, licensed to practice since 2012. Admitted to practice in Arizona (2012). Educated at Arizona Summit Law School (—). Serves clients in Phoenix, AZ and the surrounding metropolitan area.
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About Mark Daniel Jansen
- Mark Daniel Jansen is a lawyer practicing criminal law
- Mark received a degree from Arizona Summit Law School, and has been licensed for 14 years
- Mark practices in Phoenix, AZ
Practice Areas Explained
Mark Daniel Jansen's Areas of Legal Practice
Each practice area below reflects the types of cases Mark Daniel Jansen handles, with a practical overview of what that area of law involves and how it may apply to your situation in Phoenix.
Criminal Defense in Phoenix
A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.
Mark Daniel Jansen is one of 212,605 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Arizona →
Jurisdictional Context
Why Local Counsel Matters in Phoenix
Practicing law in Arizona. Legal matters in Arizona are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Phoenix are typically filed in the local municipal court or the appropriate Arizona state district court, depending on subject matter and amount in controversy. An attorney licensed in Arizona 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 Arizona courts without local counsel or pro hac vice admission.
Phoenix Courts and Legal Process
Choosing a Phoenix-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 Arizona attorneys? Browse all attorneys in Phoenix or all attorneys in Arizona.
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Professional Profile
Why Clients in Phoenix Choose Mark Daniel Jansen
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 Mark Daniel Jansen's practice in the field of criminal defense.
Decade-Tested Legal Experience
Mark Daniel Jansen brings 14+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Focused Criminal Defense Practice
Concentrating on criminal defense means Mark Daniel Jansen's knowledge of relevant statutes, case law, and procedural nuances stays current — unlike generalist practices that spread attention across unrelated fields.
Local Presence in Phoenix
A Phoenix-based practice means Mark Daniel Jansen attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
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How People Find Mark Daniel Jansen Online
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Mark Daniel Jansen's Practice Areas & Specializations
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