Mark A. Sansone is a partner in the firm's Naperville office. Mark concentrates his practice on medical malpractice, nursing home and long-term care, premises liability and construction defense. He has extensive experience in medical malpractice litigation. Mark represents hospitals, individual physicians and nurse practitioners in a wide range of medical specialties including, internal medicine, emergency medicine, orthopedics, cardiology, plastic surgery, radiology, anesthesiology, obstetrics, gynecology, family practice, podiatry and general surgery. He frequently presents to nursing staffs on legal issues and avoidance of malpractice claims.

Mark also has over 17 years of experience defending car dealerships in various complex litigation matters including Lemon Law, the Magnuson-Moss Act, common law fraud, Consumer Fraud Act, breach of warranty, breach of contract and premises liability. In the area of construction negligence, he represents general contractors, subcontractors and independent contractors in wrongful death and personal injury claims including roof collapses, water infiltration, mold claims, gutter claims, slip and falls, roofing accidents, employer fall protection use and availability and other hazards associated with both residential and commercial construction.

Mark has significant experience drafting and arguing appeals in the state of Illinois. He has drafted and argued successful appeals in the Second, Third, and Fifth Appellate Districts and was instrumental in creating new law in Illinois in a case where the Illinois Supreme Court held that medical providers do not owe a duty to third-party, non-patients.

Mark is a member of several professional organizations including the Illinois State Bar Association and the DuPage County Bar Association. He periodically acts as an arbitrator in DuPage County, and judges local high school mock trial competitions.

While in law school, Mark served as Chief Justice of the Valparaiso University School of Law Moot Court Society and won the Swygert Moot Court Competition. He also clerked with a small litigation firm in Chicago specializing in medical malpractice.

Education

  • Valparaiso University, J.D.
  • St. Joseph’s College, B.S.

Bar Admissions

  • Illinois

Court Admissions

  • Supreme Court of Illinois
  • U.S. District Court, Northern District of Illinois

Distinctions

  • Emerging Lawyer (Law Bulletin Publishing Company)
  • Leading Lawyer (Law Bulletin Publishing Company)

About Us

Cassiday Schade is a litigation law firm headquartered in Chicago, with a presence throughout the Midwest. We focus on providing our clients with exceptional and efficient representation and act as national or regional counsel for clients facing nationwide exposures.

With experience in virtually all areas of civil litigation, we have a diverse client base and our attorneys provide companies of various sizes with extensive trial experience and case preparation acumen. Throughout our history, we have represented individuals and companies in a variety of industries, including long-term care, insurance, financial services, manufacturing, construction, professional services and transportation. In addition to trial and appellate work, we provide both organizations and individuals with the tools to analyze and prevent risk before litigation arises.

We take pride in working with our clients and not just for them. Every case is different, and determining the best possible outcome is what our attorneys deliver. Sometimes this means aggressive preparation for trial, other times it may involve seeking an early resolution through alternative means, such as mediation or arbitration. Ultimately, our clients receive the benefit of having their matters handled with maximum efficiency and skill.

Attorneys

Practices

Cassiday Schade’s Admiralty & Maritime practice group represents clients in a wide range of maritime matters and understands the legal complexities that are an integral part of the marine industry.

At Cassiday Schade, we recognize the important distinction between trial and appellate work and the need for appellate specialists. Our attorneys have outstanding research, writing and oral advocacy skills and bring an original perspective and tailored strategy to each appeal. A significant portion of our strategy includes analyzing whether or not an appeal is the best course of action for our clients. Our practice group provides an appellate perspective when issues arise at trial, including the introduction of prejudicial evidence by an opponent, an opponent's efforts to limit the introduction of evidence favorable to the defense and jury instructions. We also become involved after litigation concludes, and offer guidance on post-trial motions and responses.

Cassiday Schade’s Civil Rights & Correctional Healthcare practice is dedicated to providing expert, cost-effective legal defense to correctional healthcare employers, as well as the doctors, nurses and other healthcare providers they employ. Our attorneys aren’t just excellent litigators, we are also industry experts and are intimately acquainted with trends, changes and legal developments that may impact our clients.

Cassiday Schade’s Commercial attorneys serve as advocates and business advisors to clients from a wide range of industries including banking, real estate financing and investment, health care, automobile sales and finance, financial services, insurance, manufacturing, and construction.

The representation of contractors, developers and design professionals has been a focus of Cassiday Schade since the inception of the firm. The depth of our experience covers the broad spectrum of all points where construction and the law intersect. Our list of clients includes the largest general contractors in Illinois as well as owners, architects, engineers and specialty subcontractors. We routinely represent these companies in their biggest and most problematic cases. While we have the ability to staff large accounts, we keep our client teams small so that our attorneys remain familiar with the client’s background and needs. This ensures efficiency and consistency in our representation of our clients.

Cassiday Schade’s Employment practice group represents organizations in a wide range of employment related disputes. As part of our litigation strategy, our attorneys provide an early assessment of each case to determine the best avenue toward resolution, considering both the nature and potential exposure of the claim and the needs of the client.

Cassiday Schade’s Environmental and Toxic Injury practice group serves clients who are, or may be, exposed to claims arising from the manufacture, sale or use of potentially toxic and hazardous substances, and to the threat of litigation arising from environmental claims attendant to land, air and water pollution. Our firm is often retained to handle not only the litigation of active lawsuits, but to monitor litigation for nationwide corporations, advise corporations on risk reduction and coordinate the nationwide defense strategy for corporations facing toxic tort, product liability and other commercial issues. Our success is determined by a skilled team of attorneys with industry acumen and access to a large network of experts and consultants. No matter the issue, our overarching goal is the same: to bring our clients the best possible result through proactive and individualized service.

Cassiday Schade’s Hospitality and Retail practice represents a wide-range of clients in complex litigation matters, including hotels and hotel chains, hotel management companies, hotel property owners, franchisees, restaurants, bars, shopping malls, and event production companies. In addition, our skilled team of attorneys is committed to providing our clients with guidance and risk-management strategies to avoid future litigation. This includes but is not limited to, legal counseling, alternative dispute resolution and pre suit negotiations.

Cassiday Schade’s Insurance practice group provides full-service litigation, transactional and alternative dispute resolution capabilities to insurance carriers and other commercial entities. Our expert team of attorneys is focused on providing clients with prompt, direct advice regarding the risks presented in any given situation, both preventively and when litigation arises. Our team also frequently utilizes litigation alternatives such as contractual resolutions, standstill agreements and mediation, all of which can be of great assistance in complex insurance matters.

We represent some of the nation’s top hospitals and other healthcare providers in the successful defense of malpractice litigation. The actions we defend are approached with the highest level of professional consideration and we have tried hundreds of cases to verdict in over 50 counties nationally. Our industry expertise and innovative use of technology to create demonstrative evidence during trial provides clients with the most successful defense possible. We also have access to a network of the most qualified consultants and experts who provide guidance and work closely with our team of attorneys on these lawsuits.

Cassiday Schade’s Nursing Home & Long-Term Care practice group represents nursing homes, assisted living facilities, hospices, home health care agencies and rehabilitation centers. At the core of our practice is an understanding of the difficulty inherent in effectively addressing the quality of care provided to individuals whose health is compromised. Our attorneys are a dedicated group of litigators with extensive industry knowledge of OBRA Regulations, the Illinois Administrative Code and the Nursing Home Care Act. We are committed to partnering with our clients in the investigation, planning, direction and defense of a case to determine the most efficient and practical resolution.

Cassiday Schade’s Products Liability practice group has extensive knowledge of state and federal product liability laws and the applicable standards governing the design, manufacture and distribution of products. Our attorneys’ first step is product identification, specifically to examine our clients’ involvement in the design, manufacture, and/or distribution. This includes following paper trails and pursuing investigation to locate and preserve evidence. We also immediately analyze whether any legal defenses, such as statutes of limitations or repose, can be asserted. Our experience in the industry provides us with access to the most sophisticated experts. We act quickly to retain the best consultants, provide them with all applicable materials and obtain their input in order to present the best legal and technical defense.

Professional liability cases are often complex, both factually and procedurally. Cassiday Schade’s Professional Liability practice group services a wide range of clients including accountants, architects and engineers, attorneys, nursing homes, officers and directors, paramedics and psychologists. Our attorneys realize the importance of understanding burdens of proof, standards of care and the need to promptly identify the right consultants and experts. We stay abreast of case law and developments in the profession so that we can bring the highest level of knowledge and understanding to a given case. Our practice team involves our clients in all aspects of litigation, keeping them informed and seeking their input.

Cassiday Schade’s Transportation practice group represents motor carriers, owners, operators, trucking companies and insurance carriers in what are often catastrophic accidents involving trucks, trains, buses, vans, automobiles and other modes of transportation. Our rapid response team of attorneys, accident reconstructionists and transportation investigators is on-call 24 hours a day and can be immediately dispatched to preserve and document physical evidence, inspect vehicles and perform a download of the electronic control module. We also frequently defend cases where the first notice is the lawsuit. Our attorneys perform early assessments of both the liability and damage aspects of each case. This analysis often leads to an early resolution by way of alternative dispute methods including mediation.

Cassiday Schade's Veterinary Medicine practice group represents Doctors of Veterinary Medicine (D.V.M.) Registered Veterinary Technicians (R.V.T.) and veterinary assistants and their practices in malpractice claims, state licensing and disciplinary board actions, and appeals.

Headlines

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Illinois Analysis of General Personal Jurisdiction Following Mallory v. Norfolk Southern

On June 27, 2023, the U.S. Supreme Court rendered its decision in Mallory. [i] This decision reaffirmed the U.S. Supreme Court's decision in Pennsylvania Fire from 1917.[ii] In Pennsylvania Fire, the U.S. Supreme Court held that a Missouri statute did not violate the Due Process Clause. ... [ read more ]

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