Firm PROFILE

Armstrong Teasdale LLP

USA 2026

Rankings

Leading firm in USA 2026

Ranked Departments

Ranked Individuals

Overview

Provided by Armstrong Teasdale LLP

Firm Details
Managing Partner: Richard Engel
Lawyers and Business Professionals: 600+
Offices: 18
Firm Overview
Armstrong Teasdale has a long and distinguished track record of delivering sophisticated legal advice and exceptional service to a dynamic client base around the world. Whether an issue is global or local, large or small, Armstrong Teasdale provides each client with an invaluable combination of legal resources and practical advice in nearly every area of law. The firm includes more than 600 lawyers and business professionals in 18 offices internationally.
The firm is a member of the United States Law Firm Group, a network of 17 law firms headquartered in major U.S. cities. Armstrong Teasdale is listed in the Am Law 200, published by The American Lawyer, and the NLJ 250, published by The National Law Journal.
Our mission statement—“Always exceed expectations through teamwork and excellent client service”— carries through everything we do. We are proud of the results our firm has achieved for our clients in the boardroom and the courtroom.
In practice, we strive to operate as a team with boldness, creativity, transparency and passion to provide the highest level of service, efficiency and value to our clients. We embrace the following values: integrity, teamwork, entrepreneurship, investment, celebration, perspective, accomplishment and inclusiveness.
Main Areas of Practice
The firm is strategically divided into four key practice groups: Intellectual Property, Litigation, Corporate Services, and Financial and Real Estate Services.
Our Intellectual Property group guides its clients in all aspects of the acquisition, licensing, application, protection and enforcement of their IP rights, including patents and trademarks. This includes supporting clients such as inventors, manufacturers, universities, private equity firms and others with a focus on driving technological advances.
The Litigation Group is Armstrong Teasdale’s largest practice group. The skills and strategy of our trial lawyers have resulted in dozens of top-ranking verdicts over the years. Our attorneys have backgrounds in diverse areas, including intellectual property, product liability, construction, commercial, insurance, health care and white-collar criminal defense.
Our Corporate Services group provides comprehensive representation in all areas of business law, corporate finance and investment. Our attorneys are experienced in corporate law and handle matters ranging from corporate governance and compliance issues to complex financing, mergers and acquisitions, corporate transactions and operations, technology law, benefits, executive compensation and more.
The Financial and Real Estate Services group represents financial institutions, corporate creditors, distressed companies, corporate debtors and creditor constituency groups. We also represent developers, lenders, investors, institutional and corporate owners, governmental and quasi-governmental entities, brokers and more in all areas of real estate law.
For more information, please visit http://www.atllp.com.
Practice Areas
Offices
Firm office locations include:
- Boston, MA
- Chicago, IL
- Denver, CO
- Dublin, Ireland
- Edwardsville, IL
- Irvine, CA
- Jefferson City, MO
- Kansas City, MO
- Las Vegas, NV
- London, England
- Miami, FL
- New York, NY
- Philadelphia, PA
- Princeton, NJ
- Salt Lake City, UT
- St. Louis, MO
- Washington, D.C.
- Wilmington, DE