John Wellschlager represents public and private companies across multiple sectors in connection with class action, securities, product liability, and commercial litigation.

His litigation experience ranges from handling "bet the company" storms – encompassing shareholder class action claims, shareholder derivative claims, multi-district product liability claims, consumer fraud class actions, and internal and external investigations – to traditional commercial disputes. John has led internal investigations and reviews for companies in the health insurance, life insurance, and pharmaceutical sectors on issues ranging from FDA compliance to FCPA and other anti-corruption considerations. His clients include major pharmaceutical companies, banks and other financial institutions, various other public companies, and individuals.

John is listed in The Best Lawyers in America, based on peer review. He is also in the "Legal 500;" he is an "Acritas Star — independently rated lawyer;" and he is a "2020 Maryland Super Lawyer."