About Armstrong Teasdale LLP

Armstrong Teasdale LLP is a global law firm providing comprehensive legal services to clients across a wide range of industries and jurisdictions. With offices throughout the United States and an international presence, the firm delivers strategic, client-focused solutions designed to address complex legal challenges in an evolving global marketplace.

Armstrong Teasdale LLP offers extensive capabilities across key practice areas, including corporate law, litigation, intellectual property, employment, and regulatory matters. Its multidisciplinary teams collaborate to provide practical and innovative strategies that help clients manage risk, navigate compliance requirements, and achieve their business objectives efficiently.

Armstrong Teasdale LLP serves clients ranging from emerging companies to multinational corporations, building long-term relationships based on trust, responsiveness, and results. The firm’s client-centered philosophy emphasizes understanding each client’s business, allowing it to deliver tailored legal advice that aligns with both operational goals and industry-specific demands.

Armstrong Teasdale LLP is widely recognized for legal excellence, with numerous attorneys and practice areas ranked in leading industry guides, including Chambers USA, Best Lawyers, and Benchmark Litigation. These recognitions reflect the firm’s commitment to high-quality service, strong client feedback, and consistent performance across multiple practice areas.

Armstrong Teasdale LLP places a strong emphasis on inclusion, diversity, and professional development, earning recognition from organizations such as the Leadership Council on Legal Diversity and the Human Rights Campaign. The firm actively fosters an inclusive workplace culture that enhances collaboration and strengthens its ability to serve a diverse client base.

Armstrong Teasdale LLP continues to evolve by integrating innovation, technology, and forward-thinking strategies into its legal services. With a commitment to excellence and client success, the firm remains a trusted advisor, helping organizations navigate complex legal landscapes and seize opportunities in a competitive and rapidly changing environment.

Practice Areas

Lawsuits & Disputes
  • Alternative Dispute Resolution
  • Antitrust and Trade Practices
  • Appellate
  • Appellate Trial Consultation and Post-Trial Motions
  • Artificial Intelligence
  • Class Action Litigation
  • Complex Commercial Litigation
  • E-Discovery
  • Fire and Electrical Liability Litigation
  • Insurance Coverage Litigation
  • Intellectual Property Litigation
  • Internal Investigations and Regulatory Compliance
  • Legal Malpractice Defense
  • Life, Health, Disability and ERISA Litigation
  • Mass Tort and Catastrophic Loss
  • Medical Malpractice
  • Post Grant Proceedings
  • Product Liability
  • Securities Regulation and Litigation
  • Default Judgment Relief
  • White-Collar Criminal Defense and Government Investigations
Business
  • Artificial Intelligence
  • Biotechnology
  • Cannabis Law
  • Commercial
  • Corporate
  • Data Innovation, Security and Privacy
  • Emerging Companies
  • Employee Benefits and Executive Compensation
  • Entrepreneurship Through Acquisition
  • Environmental
  • Ethics and Professional Responsibility
  • Franchise Business Acquisitions
  • Franchising and Distribution
  • Governance and Compliance
  • Industrial Security and Security Clearance
  • International
  • Mergers and Acquisitions
  • Private Equity and Venture Capital
  • Securities and Corporate Finance
  • Tax
  • Technology Transactions
  • Debt Finance
Government
  • Government Contracts
  • Government Relations and Public Policy
  • Public Finance
Immigration
  • E-1 / E-2 – Treaty Traders and Investors
  • H-1B / H-3 – Professionals / Trainees
  • L-1A / L-1B – Intracompany Transfer
  • O-1 – Extraordinary Ability
  • TN – North American Free Trade Agreement
Real Estate
  • Acquisitions and Dispositions
  • Title, Survey, and Closing
  • Real Estate Development and Redevelopment
  • Land Use, Zoning, and Entitlements
  • Leasing
  • Financing and Capital Markets
  • Joint Ventures and Investments
  • Mergers, Acquisitions, and Corporate Transactions
  • Asset Management and Operations
  • Public Sector and Regulated Real Estate
  • Real Estate Disputes and Risk Management
  • Construction
  • Construction Services
Restructuring, Insolvency and Bankruptcy
  • Chapter 15
Intellectual Property
  • Copyright
  • Intellectual Property Litigation
  • Noncompete and Trade Secrets
  • Patent
  • Post-Grant and Inter Partes Review Proceedings
  • Trademark
Employment and Labor
  • Wrongful Discharge
  • Workers’ Compensation Retaliation Claims
  • Enforce Confidentiality, Noncompete and Nonsolicitation Agreements Class Action Noncompete and Trade Secrets
Trusts, Estates and Private Wealth Management
  • Lifetime Wealth Management
  • Fiduciary, Estate, Gift and Income Tax Planning and Preparation
  • Business Succession Planning
  • Estate and Trust Administration
  • Trusts and Estates Litigation
  • Marital and Domestic Partnership Agreements
  • Estate Planning
  • Simple Wills
  • Trust
  • Power Of Attorney
  • Health Care Proxies
  • Living Wills
  • HIPAA Medical Authorizations

Fees

  • Payment details not specified

Office locations for Armstrong Teasdale LLP

Armstrong Teasdale LLP - Chicago

100 N Riverside Plaza Floor 8, Chicago, IL 60606

Armstrong Teasdale LLP - Denver

4600 South Syra, S Ulster St #800, Denver, CO 80237

Armstrong Teasdale LLP - Jefferson City

101 E High St, Jefferson City, MO 65101

Armstrong Teasdale LLP - Kansas City

2345 Grand Blvd Ste 1500, Kansas City, MO 64108

Armstrong Teasdale LLP - St. Louis

7700 Forsyth Blvd, St. Louis, MO 63105