Law firm Jenner & Block concentrates on handling corporate transactions and complex litigation. Within those two main practice groups, the firm maintains specialties such as bankruptcy, intellectual property, and mergers and acquisitions, along with appellate work and securities litigation. The firm has offices in Chicago, Los Angeles, New York, and Washington, DC; overall, it has more than 450 lawyers. Clients have included large companies in the construction, financial services, media, real estate, and telecommunications industries, among others, as well as government agencies. Jenner & Block was founded in 1914 as Newman, Poppenhusen & Stern.