Atty. Johnathan C. Mathiesen

Atty. Johnathan C. Mathiesen

Johnathan C. Mathiesen is a lawyer practicing aviation, business, corporate & incorporation.

Boston Boston 19 yrs experience 19 year
Call (857) 597-3926 Book Appointment

Aviation & More Attorney · Serving Boston, MA · 19+ Years Experience

Profile Summary

About Johnathan C. Mathiesen at a Glance

Johnathan C. Mathiesen is a MFS Investment Management based in Boston, Massachusetts. They have 19+ years of legal experience, licensed to practice since 2007. Their practice focuses on formation, business, and aviation. Admitted to practice in Massachusetts (2007). Educated at Columbia Law School (J.D., 2007) and Georgetown University (B.S. Yale, 1998). Serves clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Johnathan C. Mathiesen

  • Johnathan C. Mathiesen is a lawyer practicing aviation, business, corporate & incorporation
  • Johnathan received a B.S. degree from Georgetown University in 1998, and has been licensed for 19 years
  • Johnathan practices in Boston, MA

Practice Areas Explained

Johnathan C. Mathiesen's Areas of Legal Practice

Each practice area below reflects the types of cases Johnathan C. Mathiesen handles, with a practical overview of what that area of law involves and how it may apply to your situation in Boston.

Business Formation in Boston

Johnathan C. Mathiesen is one of 35,326 formation attorneys indexed nationally. Browse formation attorneys in Massachusetts →

Business & Corporate Law in Boston

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Johnathan C. Mathiesen is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Massachusetts →

Aviation Law in Boston

Aviation attorneys for aircraft accidents, FAA regulation, pilot defense, and aviation industry matters.

Johnathan C. Mathiesen is one of 9,145 aviation attorneys indexed nationally. Browse aviation attorneys in Massachusetts →

Jurisdictional Context

Why Local Counsel Matters in Boston

Practicing law in Massachusetts. Legal matters in Massachusetts are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Boston are typically filed in the local municipal court or the appropriate Massachusetts state district court, depending on subject matter and amount in controversy. An attorney licensed in Massachusetts 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 Massachusetts courts without local counsel or pro hac vice admission.

Boston Courts and Legal Process

Choosing a Boston-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 Massachusetts attorneys? Browse all attorneys in Boston or all attorneys in Massachusetts.

Frequently Asked

Common Questions About Johnathan C. Mathiesen

Where is Johnathan C. Mathiesen's law office located?
Johnathan C. Mathiesen's law practice is located in Boston, Massachusetts. You can contact the office directly through this profile page.
What practice areas does Johnathan C. Mathiesen handle?
Johnathan C. Mathiesen focuses on formation, business, aviation. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has Johnathan C. Mathiesen practiced law?
Johnathan C. Mathiesen has 19+ years of legal experience and has been licensed since 2007.
Where did Johnathan C. Mathiesen go to law school?
Johnathan C. Mathiesen earned their education at (J.D., 2007); (B.S. Yale, 1998).
How can I contact Johnathan C. Mathiesen for a consultation?
You can contact Johnathan C. Mathiesen directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Professional Profile

Why Clients in Boston Choose Johnathan C. Mathiesen

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 Johnathan C. Mathiesen's practice in the field of formation, business, and aviation.

Decade-Tested Legal Experience

Johnathan C. Mathiesen 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.

Broad Practice Area Coverage

Covering formation, business, and aviation, Johnathan C. Mathiesen can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Boston

A Boston-based practice means Johnathan C. Mathiesen 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 Johnathan C. Mathiesen Handles in Boston

Below is a representative sample of the types of matters Johnathan C. Mathiesen has experience with under Massachusetts law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business

This list is illustrative, not exhaustive. Contact Johnathan C. Mathiesen directly to discuss the specifics of your situation.

Search Reference

How People Find Johnathan C. Mathiesen Online

Prospective clients searching for legal help in Boston 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 Johnathan C. Mathiesen.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Johnathan C. Mathiesen directly.

Johnathan C. Mathiesen's Practice Areas & Specializations

Education & Law School Background

J.D.
Columbia Law School
- 2007
B.S. Yale
Georgetown University
- 1998

Bar Admissions & Licensed Jurisdictions

Massachusetts
Admitted: 2007

Client Reviews & Ratings — Johnathan C. Mathiesen

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