Atty. James Patrick Langdon
James Patrick Langdon is a lawyer practicing securities & investment fraud, corporate governance and compliance, m&a and private equity and 1 other area of law. James received a B.A. degree from University of Iowa in 2002, and has been licensed for 20 years.
Corporate Governance And Compliance & More Attorney · Serving Chicago, IL · 20+ Years Experience
Profile Summary
About James Patrick Langdon at a Glance
James Patrick Langdon is an Associate based in Chicago, Illinois, practicing at Sidley Austin LLP. They have 20+ years of legal experience, licensed to practice since 2006. Their practice focuses on business, m&a, securities, and consumer. Admitted to practice in Illinois (2006). Educated at University of Chicago Law School (J.D., 2006) and University of Iowa (B.A. University, 2002). Serves clients in Chicago, IL and the surrounding metropolitan area.
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About James Patrick Langdon
- James Patrick Langdon is a lawyer practicing securities & investment fraud, corporate governance and compliance, m&a and private equity and 1 other area of law
- James received a B.A. degree from University of Iowa in 2002, and has been licensed for 20 years
- James practices at Sidley Austin LLP in Chicago, IL
Practice Areas Explained
James Patrick Langdon's Areas of Legal Practice
Each practice area below reflects the types of cases James Patrick Langdon handles, with a practical overview of what that area of law involves and how it may apply to your situation in Chicago.
Business & Corporate Law in Chicago
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
James Patrick Langdon is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Illinois →
Mergers & Acquisitions in Chicago
James Patrick Langdon is one of 49,430 m&a attorneys indexed nationally. Browse m&a attorneys in Illinois →
Securities Law in Chicago
James Patrick Langdon is one of 64,075 securities attorneys indexed nationally. Browse securities attorneys in Illinois →
Consumer Protection in Chicago
Consumer protection attorneys for fraud, lemon law, debt harassment, and deceptive trade practices.
James Patrick Langdon is one of 50,226 consumer attorneys indexed nationally. Browse consumer attorneys in Illinois →
Jurisdictional Context
Why Local Counsel Matters in Chicago
Practicing law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Chicago are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois 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 Illinois courts without local counsel or pro hac vice admission.
Chicago Courts and Legal Process
Choosing a Chicago-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 Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.
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Professional Profile
Why Clients in Chicago Choose James Patrick Langdon
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 James Patrick Langdon's practice in the field of business, m&a, securities, and consumer.
Decade-Tested Legal Experience
James Patrick Langdon brings 20+ 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 business, m&a, and securities, James Patrick Langdon can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Chicago
A Chicago-based practice means James Patrick Langdon 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 James Patrick Langdon Handles in Chicago
Below is a representative sample of the types of matters James Patrick Langdon has experience with under Illinois 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 James Patrick Langdon directly to discuss the specifics of your situation.
Search Reference
How People Find James Patrick Langdon Online
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James Patrick Langdon's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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