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Your Trusted Legal Partner in Chicago
Langhenry, Gillen, Lundquist & Johnson has built its reputation on delivering strategic legal solutions with a client-first philosophy. Our team of seasoned attorneys combines decades of litigation experience with a commitment to accessibility and cost-effective representation. Specializing in high-stakes cases involving multi-million-dollar exposure, we empower clients with transparent budgeting and actionable insights to navigate complex legal challenges. From boardroom consultations to courtroom defense, our practice spans insurance coverage, medical malpractice, construction law, and commercial litigation.

With offices across Illinois and Indiana, we serve businesses and individuals seeking proactive legal counsel tailored to their unique needs. Our track record of successful verdicts in catastrophic loss cases underscores our dedication to achieving optimal outcomes through meticulous preparation and innovative strategies.
Services
Medical Malpractice Defense Insurance Defense Litigation Construction Law Commercial Real Estate Employment Practice Litigation Nonprofit Organization Litigation Products Liability Defense Municipal Liability Defense Business Practices Counseling Appeals Representation
Highlights and features
  • We offer decades of combined experience in high-exposure litigation.
  • Our client-first philosophy emphasizes transparent budgeting and strategic decision-making.
  • We deliver successful verdicts in complex cases with multi-million-dollar stakes.
  • Our team provides accessible counsel across multiple Illinois and Indiana offices.
  • We specialize in proactive risk management for businesses and insurance entities.
Services
Medical Malpractice Defense
We provide robust defense strategies for healthcare providers facing malpractice claims. Our attorneys leverage deep medical-legal expertise to challenge allegations of negligence and protect professional reputations. With a focus on emergency medicine and hospital liability, we deliver courtroom-tested representation to minimize financial exposure and safeguard licensure.
Insurance Defense Litigation
Our team specializes in defending insurance carriers against complex coverage disputes and bad faith claims. We handle catastrophic loss cases involving property damage, personal injury, and commercial policies. Through early case assessment and cost-effective litigation strategies, we help insurers maintain profitability while ensuring compliance with regulatory standards.
Construction Law
We represent contractors and developers in disputes over construction defects, contract breaches, and project delays. Our legal strategies address liability for structural failures, safety violations, and payment disagreements. With experience in both state and federal courts, we protect clients' interests in complex construction litigation and alternative dispute resolution proceedings.
Commercial Real Estate
Our practice covers land development, zoning compliance, and commercial property transactions. We resolve disputes over lease agreements, title issues, and development rights while minimizing business disruption. Attorneys work closely with clients to structure deals that balance growth objectives with risk mitigation in Illinois and Indiana markets.
Employment Practice Litigation
We defend employers against claims of discrimination, harassment, and wage violations under federal and state labor laws. Our proactive approach includes policy development and training to prevent litigation, while our courtroom experience ensures strong representation in cases involving wrongful termination, retaliation, and employment contract disputes.
People
John G. Langhenry III
Partner
Co-founder with decades of experience in catastrophic loss litigation. Specializes in insurance defense and complex commercial disputes. Recognized for strategic trial work in high-exposure cases across Midwest courts.
Suzanne Favia Gillen
Partner
Seasoned trial attorney focusing on medical malpractice and municipal liability defense. Brings extensive courtroom experience to complex cases involving public officials and healthcare institutions throughout Illinois.
Troy A. Lundquist
Partner
Litigation expert with a track record in construction law and products liability cases. Provides strategic counsel to contractors and manufacturers facing multi-million-dollar claims in state and federal jurisdictions.
Steven R. Johnson
Partner
Adds depth to the firm's commercial real estate and employment law practice. Focuses on land development disputes and workplace litigation, combining transactional insight with trial advocacy skills.
William B. Weiler
Partner
Experienced in appellate advocacy and complex litigation strategy. Handles high-stakes appeals across practice areas, preserving favorable trial outcomes and identifying procedural efficiencies for clients.
Questions
What areas of law does Langhenry, Gillen, Lundquist & Johnson specialize in?
We focus on medical malpractice defense, insurance coverage disputes, construction law, commercial real estate, employment litigation, and municipal liability cases.
How does the firm handle high-exposure legal cases?
Our attorneys develop proactive defense strategies early in cases with 7-8 figure exposure, leveraging trial experience and cost-effective litigation approaches to minimize client risk.
Are attorneys available for consultation outside Chicago?
Yes, we serve clients from offices in Wheaton, Joliet, Rockford, Princeton (Illinois), and Munster, Indiana, with virtual consultations available statewide.
What sets this firm apart from other litigation practices?
Our client-first approach combines large-firm expertise with personalized attention, emphasizing transparent budgeting and strategic decision-making throughout the legal process.
Can the firm handle multi-jurisdictional legal matters?
Our attorneys regularly represent clients in state and federal courts across Illinois and Indiana, with experience coordinating complex litigation across multiple jurisdictions.