Coming up with a big idea is just the beginning. To protect the rights of innovators and inventors, Armstrong Teasdale lawyers provide patent services to some of the world’s largest companies with innovation at the heart of their business, managing portfolios containing thousands of patents.

Our patent team includes over 50 lawyers and patent agents registered to practice before the U.S. Patent and Trademark Office or European Patent Office. The team has filed 14,668 patent applications in the last five years, with 2,894 of those originally drafted and filed. We also serve individual inventors as well as university tech-transfer programs, research facilities and technology incubators.

We represent clients around the globe from offices across the United States and in Europe. Our team includes lawyers, patent engineers and patent agents with advanced degrees, including Ph.D.s, and practical experience that enable them to develop optimal protection strategies for our clients’ inventions and ideas, both in the United States and internationally. Many of our patent professionals have degrees and experience in fields encompassing biotechnology, electrical engineering, computer science and the mechanical arts, giving them the technical knowledge to support clients working in a broad range of industries, including:

  • Aerospace design
  • Biological therapies
  • Biological and genetic markers
  • Business methods
  • Chemical engineering
  • Computer science
  • Confectionary products
  • Consumer appliances
  • Data storage systems
  • Database management
  • Food science
  • Fuel  cell and battery technology
  • Gaming systems and technology
  • Genetic therapies
  • Genetically modified organisms (GMOs)
  • Genetically modified (GM) seeds
  • Herbicides
  • Hygiene products
  • Immunotherapy
  • Immunooncology
  • Medical devices and diagnostics
  • Microfluidic devices
  • Mobile technologies
  • Nanomaterials
  • Network technologies
  • Organic chemistry
  • Online advertising technologies
  • Pesticides
  • Pharmaceutical compositions
  • Polymer/material science
  • Power generation systems
  • Prebiotics/probiotics
  • Product packaging
  • Rail car technology
  • Security systems
  • Small molecules
  • Space and satellite technology
  • Textile technology
  • Transportation systems
  • Vaccines
  • Vehicle technology
  • Wind energy technology

Our global practice is also a leader locally. For more than a decade, Armstrong Teasdale’s patent practice has been ranked by the St. Louis Business Journal as the largest in the metropolitan area based on number of patent lawyers.

Our services include:

  • preparing and prosecuting patent applications;
  • conducting patentability, noninfringement, clearance and validity studies;
  • performing due diligence studies related to acquisitions; and
  • assisting clients in the development, management and monetization of patent portfolios.

Members of our team are also experienced trial lawyers with significant IP litigation and post grant proceedings experience. We serve both patent owners and petitioners before the Patent Trial and Appeal Board (PTAB) at the U.S. Patent and Trademark Office (USPTO) in post grant proceedings, including post grant review (PGR), inter partes review (IPR) and derivation proceedings.

Internationally, our European patent lawyers are experienced in opposition and appeal proceedings before the European Patent Office and in proceedings before the U.K. Intellectual Property Office.

Contact Us
  • Worldwide
  • Boston, MA
  • Chicago, IL
  • Denver, CO
  • Dublin, Ireland
  • Edwardsville, IL
  • Jefferson City, MO
  • Kansas City, MO
  • Las Vegas, NV
  • London, England
  • Miami, FL
  • New York, NY
  • Orange County, CA
  • Philadelphia, PA
  • Princeton, NJ
  • Salt Lake City, UT
  • St. Louis, MO
  • Washington, D.C.
  • Wilmington, DE
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Boston, MA
800 Boylston St.
30th Floor
Boston, MA 02199
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Boston, Massachusetts
Chicago, IL
100 North Riverside Plaza
Suite 1500
Chicago, IL 60606-1520
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Chicago, Illinois
Denver, CO
4643 S. Ulster St.
Suite 800
Denver, CO 80237
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Denver, Colorado
Dublin, Ireland
Fitzwilliam Hall, Fitzwilliam Place
Dublin 2, Ireland
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Edwardsville, IL
115 N. Second St.
Edwardsville, IL 62025
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Edwardsville, Illinois
Jefferson City, MO
101 E. High St.
First Floor
Jefferson City, MO 65101
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Jefferson City, Missouri
Kansas City, MO
2345 Grand Blvd.
Suite 1500
Kansas City, MO 64108
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Kansas City, Missouri
Las Vegas, NV
7160 Rafael Rivera Way
Suite 320
Las Vegas, NV 89113
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Las Vegas, Nevada
London, England
Royal College of Surgeons of England
38-43 Lincoln’s Inn Fields
London, WC2A 3PE
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Miami, FL
355 Alhambra Circle
Suite 1200
Coral Gables, FL 33134
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New York, NY
7 Times Square, 44th Floor
New York, NY 10036
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Orange County, CA
19800 MacArthur Boulevard
Suite 300
Irvine, CA 92612
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Philadelphia, PA
2005 Market Street
29th Floor, One Commerce Square
Philadelphia, PA 19103
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Philadelphia, Pennsylvania
Princeton, NJ
100 Overlook Center
Second Floor
Princeton, NJ 08540
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Princeton, New Jersey
Salt Lake City, UT
222 South Main St.
Suite 1830
Salt Lake City, UT 84101
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St. Louis, MO
7700 Forsyth Blvd.
Suite 1800
St. Louis, MO 63105
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Washington, D.C.
1717 Pennsylvania Avenue NW
Suite 400
Washington, DC 20006
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Wilmington, DE
1007 North Market Street
Wilmington, DE 19801
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Wilmington, Delaware