Atty. John Patrick Langan
John Patrick Langan is a lawyer practicing arbitration, products liability, appellate practice and 4 other areas of law. John received a B.A. degree from Colgate University in 1984, and has been licensed for 38 years.
Appellate Practice & More Attorney · Serving New York, NY · 38+ Years Experience
Profile Summary
About John Patrick Langan at a Glance
John Patrick Langan is a Managing Partner based in New York, New York, practicing at Barclay Damon, LLP. They have 38+ years of legal experience, licensed to practice since 1988. Their practice focuses on business, ip, product liability, litigation, and adr. Admitted to practice in New York U.S. District Court, Southern, Western, Eastern and Northern Districts of New York U.S. Cou (1988). Educated at St. John's University (J.D., 1987) and Colgate University (B.A., 1984). Recognitions include AV Preeminent. Active member of S, Magistrate Judge (Judicially Appointed Chair) Merit Selection Panel for reappointment of U, and S. Serves clients in New York, NY and the surrounding metropolitan area.
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About John Patrick Langan
- John Patrick Langan is a lawyer practicing arbitration, products liability, appellate practice and 4 other areas of law
- John received a B.A. degree from Colgate University in 1984, and has been licensed for 38 years
- John practices at Barclay Damon, LLP in New York, NY and 1 other location
Practice Areas Explained
John Patrick Langan's Areas of Legal Practice
Each practice area below reflects the types of cases John Patrick Langan handles, with a practical overview of what that area of law involves and how it may apply to your situation in New York.
Business & Corporate Law in New York
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
John Patrick Langan is one of 497,491 business attorneys indexed nationally. Browse business attorneys in New York →
Intellectual Property in New York
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
John Patrick Langan is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in New York →
Product Liability in New York
John Patrick Langan is one of 65,610 product liability attorneys indexed nationally. Browse product liability attorneys in New York →
Civil Litigation in New York
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
John Patrick Langan is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in New York →
Mediation & Arbitration in New York
Mediators and arbitrators for civil, commercial, family, and employment dispute resolution.
John Patrick Langan is one of 73,315 adr attorneys indexed nationally. Browse adr attorneys in New York →
Jurisdictional Context
Why Local Counsel Matters in New York
Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in New York are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York 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 New York courts without local counsel or pro hac vice admission.
New York Courts and Legal Process
Choosing a New York-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.
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Professional Profile
Why Clients in New York Choose John Patrick Langan
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 John Patrick Langan's practice in the field of business, ip, product liability, litigation, and adr.
Decade-Tested Legal Experience
John Patrick Langan brings 38+ 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, ip, and product liability, John Patrick Langan can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in New York
A New York-based practice means John Patrick Langan 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 John Patrick Langan Handles in New York
Below is a representative sample of the types of matters John Patrick Langan has experience with under New York 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 John Patrick Langan directly to discuss the specifics of your situation.
Search Reference
How People Find John Patrick Langan Online
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John Patrick Langan's Practice Areas & Specializations
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