Founded in 1914, Jenner & Block is a full-service law firm with approximately 470 attorneys. The firm operates offices in Chicago, Los Angeles, New York and Washington, D.C. It has also served as a firm in public service and pro bono advocacy. Jenner & Block s clients include Fortune 500 companies, privately held corporations, financial service institutions and individuals. The firm has a transactional and corporate practice that focuses on finance, private equity, real estate, tax, environmental, insurance, commercial law, securities, government contacts, and mergers and acquisitions. It also handles cases related to executive compensation, technology, intellectual property, bankruptcy and reorganization, and labor and employment.