Ellenberg , Gannon Henninger Fitzmaurice and Lim, LLP was formed by Michael A. Ellenberg and was originally known as Ellenberg & Hutson, LLP, which was established in 1989. Suzanne Rapisarda became a partner in January 2005 and David Gannon became a partner in January 2007. Charles Lim became a partner in June 2012. On November 1, 2017, John Henninger and Stacy Fitzmaurice joined the firm as partners in a merger with Geisler, Henninger and Fitzmaurice, LLP. The firm consists of five partners and two associates and has been awarded an AV rating by Martindale-Hubbell.


The firm's practice is focused on the defense of professionals, including physicians and hospitals, dentists, nurses, physicians’ assistants, medical and dental clinics, professional misconduct defense, premises liability, general liability, as well as insurance coverage and regulation and appellate practice.


In addition to professional and general negligence cases, the firm has represented a number of hospitals in general premises liability matters, as well as other entities, including domestic and international insurance companies and their insureds.


The firm also focuses on the defense of construction claims and accidents, products liability, general liability, employment and labor, property damage and casualty actions.


Having practiced at firms of all different sizes before starting Ellenberg, Gannon Henninger Fitzmaurice and Lim, LLP, including it LeBoeuf, Lamb Leiby and MacRae which many years later Mr. Ellenberg left achieved great notoriety, it was Mr. Ellenberg’s goal to create a firm that would offer clients the best of both worlds: the professionalism, quality, and responsiveness of a large firm, and the familiarity and savings of a small firm.


We are committed to working closely with our clients to achieve cost-effective results that are consistent with their business objectives.





Substantial experience in the defense of high exposure medical malpractice cases.

Mr. Ellenberg has been involved in defending at trial obstetricians, neurologists, and other physicians in high exposure, alleged brain damage or injury cases since 1989. Mr. Gannon and Ms. Bristol have developed similar trial experience. The other attorneys have all been involved in handling cases from their inception and in preparing for trials in high exposure cases.


Substantial experience in the defense of high exposure construction, premises and products liability and accident cases.

The firm has been involved in defending at trial companies and individuals in high exposure accident cases.


Substantial experience providing risk management and related services.

We routinely advise our clients, physicians, businesses and insurers, who have questions regarding risk management issues.


Substantial Personnel and Resources.

We believe that we have the skills and resources to effectively, successfully and zealously represent our clients, from individuals to large corporate and institutional clients.