Atty. Mark Jonathan Longfield
Mark Jonathan Longfield is a lawyer practicing asset protection, business transactions, civil litigation and 3 other areas of law. Mark has been licensed for 22 years.
Asset Protection & More Attorney · Serving Jackson, WY · 22+ Years Experience
Profile Summary
About Mark Jonathan Longfield at a Glance
Mark Jonathan Longfield is a Member based in Jackson, Wyoming, practicing at The Longfield Law Office, LLC. They have 22+ years of legal experience, licensed to practice since 2004. Their practice focuses on criminal defense, business, ip, and litigation. Admitted to practice in New Jersey (2004) and Wyoming (2008). Serves clients in Jackson, WY and the surrounding metropolitan area.
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About Mark Jonathan Longfield
- Mark Jonathan Longfield is a lawyer practicing asset protection, business transactions, civil litigation and 3 other areas of law
- Mark has been licensed for 22 years
- Mark practices at The Longfield Law Office, LLC in Jackson, WY
Practice Areas Explained
Mark Jonathan Longfield's Areas of Legal Practice
Each practice area below reflects the types of cases Mark Jonathan Longfield handles, with a practical overview of what that area of law involves and how it may apply to your situation in Jackson.
Criminal Defense in Jackson
A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.
Mark Jonathan Longfield is one of 212,605 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Wyoming →
Business & Corporate Law in Jackson
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Mark Jonathan Longfield is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Wyoming →
Intellectual Property in Jackson
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Mark Jonathan Longfield is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Wyoming →
Civil Litigation in Jackson
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Mark Jonathan Longfield is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in Wyoming →
Jurisdictional Context
Why Local Counsel Matters in Jackson
Practicing law in Wyoming. Legal matters in Wyoming are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Jackson are typically filed in the local municipal court or the appropriate Wyoming state district court, depending on subject matter and amount in controversy. An attorney licensed in Wyoming 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 Wyoming courts without local counsel or pro hac vice admission.
Jackson Courts and Legal Process
Choosing a Jackson-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 Wyoming attorneys? Browse all attorneys in Jackson or all attorneys in Wyoming.
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Professional Profile
Why Clients in Jackson Choose Mark Jonathan Longfield
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 Jonathan Longfield's practice in the field of criminal defense, business, ip, and litigation.
Decade-Tested Legal Experience
Mark Jonathan Longfield brings 22+ 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 Jersey and Wyoming, Mark Jonathan Longfield can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering criminal defense, business, and ip, Mark Jonathan Longfield can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Jackson
A Jackson-based practice means Mark Jonathan Longfield 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 Mark Jonathan Longfield Handles in Jackson
Below is a representative sample of the types of matters Mark Jonathan Longfield has experience with under Wyoming 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 Mark Jonathan Longfield directly to discuss the specifics of your situation.
Search Reference
How People Find Mark Jonathan Longfield Online
Prospective clients searching for legal help in Jackson commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Mark Jonathan Longfield.
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Mark Jonathan Longfield's Practice Areas & Specializations
Bar Admissions & Licensed Jurisdictions
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