Attorney · Serving Gilbert, AZ · 34+ Years Experience
Profile Summary
About Mark D Sullivan at a Glance
Mark D Sullivan is an attorney based in Gilbert, Arizona. They have 34+ years of legal experience, licensed to practice since 1992. Admitted to practice in Arizona (1992), U.S. District Court, District of Arizona (1992), U.S. Court of Appeals, Ninth Circuit (1993), and Utah (1995). Educated at Arizona State University (J.D., 1992) and Brigham Young University (B.S., 1982). Serves clients in Gilbert, AZ and the surrounding metropolitan area.
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About Mark D Sullivan
- Mr. Mark D Sullivan is a lawyer
- Mark received a B.S. degree from Brigham Young University in 1982, and has been licensed for 34 years
- Mark practices in Gilbert, AZ
Jurisdictional Context
Why Local Counsel Matters in Gilbert
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 Gilbert 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.
Gilbert Courts and Legal Process
Choosing a Gilbert-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 Gilbert or all attorneys in Arizona.
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Professional Profile
Why Clients in Gilbert Choose Mark D Sullivan
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 D Sullivan's practice.
Decade-Tested Legal Experience
Mark D Sullivan brings 34+ 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 Arizona, U.S. District Court, District of Arizona, and U.S. Court of Appeals, Ninth Circuit, Mark D Sullivan can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Local Presence in Gilbert
A Gilbert-based practice means Mark D Sullivan 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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Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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