About Arnstein & Lehr LLP

Founded in 1893, Arnstein & Lehr is one of the oldest law firms in the United States serving clients with business, litigation, local government, tax and estate planning, and real estate needs. The mid-sized firm represents clients from coast to coast in the U.S. but the work doesn't stop there, extending abroad as well. Arnstein & Lehr's motto of maintaining a "keen awareness of our clients' business goals," has earned the firm the loyalty of many long-term clients, including governmental bodies, health care entities, financial institutions, trade associations, individuals and a broad range of businesses in the retail, industrial, manufacturing, distribution, technology and services sectors.

A Litigation Practice that Continues to Wow

As the largest practice area in the firm, the litigation group has been built on a range of experience, offering attorneys the chance to practice in federal and state courts at both trial and appellate levels. In March 2016, Arnstein & Lehr made another victory when defending Chicago Title Insurance Company against a claim brought forth from a recent home buyer in regards to the home's residence in a historical district and its potential limit to future restoration. The firm's victory brought forth more "clarity to the market" and the understanding of responsibility real estate consumers must bear. The partner representing Chicago Title was even ranked a 2016 Illinois Super Lawyers Rising Stars by Super Lawyers.

Taking Pride in Diversity

In addition to its commitment to serving its clients, Arnstein & Lehr is committed to empowering professional women, LGBT, and minorities. The firm holds a yearly Woman of Vision Award Luncheon to honor the achievements of successful business women and to highlight a notable charity within the Chicago area. In 2016 and 2015, Arnstein & Lehr was named one of the top Illinois firms for LGBT diversity and was ranked by Law360 as one of the 25 best law firms for Hispanic attorneys, especially at the partner level. 

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Arnstein & Lehr LLP

120 South Riverside Plaza
Suite 1200
Chicago, IL 60606
Phone: (312) 876-7100


  • Employer Type: Private
  • Managing Partner: Michael L. Gesas
  • Total No. Attorneys 2016: 144

  • Base Salary
    Firm did not provide salary information.

  • Major Departments & Practices
    Agriculture • Antitrust & Trade Regulation • Appellate • Aviation • Bankruptcy & Creditors' Rights • Banks & Financial Institutions • Commercial & Real Estate Finance Transactions • Condominium & Community Associations • Construction • Consumer Finance • Corporate Transactions & Counseling • Drug and Medical Device Liability • EB-5 • Eminent Domain • Employee Benefits & Executive Compensation • Employment & Labor • Environmental • Estate Planning & Probate Administration • Food, Beverage & Nutrition • Health Care • Higher Education • Immigration • Insurance • Intellectual Property • International • Land Use • Litigation • Mergers & Acquisitions • Municipal & Governmental • Not for Profit Organizations • Product Liability • Property Tax Appeals • Public Finance • Real Estate • Religious Land Use • Securities • Shareholders' Rights • Tax • Tax Controversies • White Collar Criminal

Major Office Locations

  • Chicago, IL (HQ) • Boca Raton, FL • Fort Lauderdale, FL • Miami, FL • Springfield, IL • West Palm Beach, FL