For over 25 years, Dennis has concentrated his practice in defense of professionals, with particular emphasis on lawyer liability claims. His commitment and dedication to these matters is underscored by his service to the Pennsylvania and American Bar Associations' Professional and Lawyers Liability Committees as well as the Allegheny County Bar Association, serving as chair of the Lawyer Insurance Committee from 1998 to 2004.
In the legal malpractice arena, Dennis has successfully defended attorneys and law firms sued as a result of claimed malpractice arising from virtually every underlying field of the practice of law including medical malpractice, securities, corporate litigation, corporate transactions, employment law, bankruptcy, labor law, patent law, workers' compensation, social security, administrative law, estates & trusts, family law, immigration & naturalization, personal injury, insurance defense, real estate and taxation.
Dennis also regularly defends insurance brokers and agents, real estate brokers, agents and settlement officers, architects, accountants and chiropractors.
In addition to defending attorneys and other professionals, Dennis has strategized and proactively employed creative claims avoidance and claims repair techniques on behalf of insurance companies and their insureds to avoid or ameliorate significant professional liability claims.
He has also handled significant e-commerce litigation including commercial claims brought on behalf of healthcare professionals against health insurers, network managers and pharmacy benefits managers (PBMs).
Dennis has been actively involved in the Allegheny County, Pennsylvania, and American Bar Associations for many years. He is a frequent lecturer and author on behalf of the Pennsylvania Bar Institute and the Pennsylvania Bar Association. In 2003, he was appointed to the Pennsylvania Bar Association's House of Delegates, its policy-making body.