Atty. Jonathan Leinheardt
Jonathan Leinheardt is a lawyer practicing trusts and estates, wills, probate and 6 other areas of law. Jonathan received a B.A. degree from Ithaca College in 1988, and has been licensed for 34 years.
Probate & More Attorney · Serving Boulder, CO · 34+ Years Experience
Profile Summary
About Jonathan Leinheardt at a Glance
Jonathan Leinheardt is an Attorney based in Boulder, Colorado, practicing at Hurth, Sisk & Blakemore, LLP. They have 34+ years of legal experience, licensed to practice since 1992. Their practice focuses on wills, trusts, probate, criminal defense, and family law. Admitted to practice in New York (1992), U.S. District Court, Eastern District of New York (1994), U.S. District Court, Southern District of New York and U.S. Court of Appeals, Second Circuit (1994), and Colorado (2003). Educated at Brooklyn Law School (J.D., 1991) and Ithaca College (B.A., 1988). Active member of Denver, Queens County Colorado and New York State Bar Associations. Serves clients in Boulder, CO and the surrounding metropolitan area.
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About Jonathan Leinheardt
- Jonathan Leinheardt is a lawyer practicing trusts and estates, wills, probate and 6 other areas of law
- Jonathan received a B.A. degree from Ithaca College in 1988, and has been licensed for 34 years
- Jonathan practices at Hurth, Sisk & Blakemore, LLP in Boulder, CO
Practice Areas Explained
Jonathan Leinheardt's Areas of Legal Practice
Each practice area below reflects the types of cases Jonathan Leinheardt handles, with a practical overview of what that area of law involves and how it may apply to your situation in Boulder.
Wills in Boulder
Jonathan Leinheardt is one of 34,363 wills attorneys indexed nationally. Browse wills attorneys in Colorado →
Trusts in Boulder
Jonathan Leinheardt is one of 103,428 trusts attorneys indexed nationally. Browse trusts attorneys in Colorado →
Probate in Boulder
Jonathan Leinheardt is one of 127,041 probate attorneys indexed nationally. Browse probate attorneys in Colorado →
Criminal Defense in Boulder
A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.
Jonathan Leinheardt is one of 212,605 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Colorado →
Family Law in Boulder
Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.
Jonathan Leinheardt is one of 185,688 family law attorneys indexed nationally. Browse family law attorneys in Colorado →
Jurisdictional Context
Why Local Counsel Matters in Boulder
Practicing law in Colorado. Legal matters in Colorado are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Boulder are typically filed in the local municipal court or the appropriate Colorado state district court, depending on subject matter and amount in controversy. An attorney licensed in Colorado 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 Colorado courts without local counsel or pro hac vice admission.
Boulder Courts and Legal Process
Choosing a Boulder-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 Colorado attorneys? Browse all attorneys in Boulder or all attorneys in Colorado.
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Professional Profile
Why Clients in Boulder Choose Jonathan Leinheardt
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 Jonathan Leinheardt's practice in the field of wills, trusts, probate, criminal defense, and family law.
Decade-Tested Legal Experience
Jonathan Leinheardt 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 New York, U.S. District Court, Eastern District of New York, and U.S. District Court, Southern District of New York and U.S. Court of Appeals, Second Circuit, Jonathan Leinheardt can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering wills, trusts, and probate, Jonathan Leinheardt can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Boulder
A Boulder-based practice means Jonathan Leinheardt 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 Jonathan Leinheardt Handles in Boulder
Below is a representative sample of the types of matters Jonathan Leinheardt has experience with under Colorado 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 Jonathan Leinheardt directly to discuss the specifics of your situation.
Search Reference
How People Find Jonathan Leinheardt Online
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Jonathan Leinheardt's Practice Areas & Specializations
Education & Law School Background
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