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 9,276 patent applications in the last five years, with 3,684 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 expertise 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 attorneys 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
  • Denver, CO
  • Dublin, Ireland
  • Edwardsville, IL
  • 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
Worldwide
abstract image of world map
Boston, MA
800 Boylston St.
30th Floor
Boston, MA 02199
Google Maps
Boston, Massachusetts
Denver, CO
4643 S. Ulster St.
Suite 800
Denver, CO 80237
Google Maps
Denver, Colorado
Dublin, Ireland
Fitzwilliam Hall, Fitzwilliam Place
Dublin 2, Ireland
Google Maps
Edwardsville, IL
115 N. Second St.
Edwardsville, IL 62025
Google Maps
Edwardsville, Illinois
Jefferson City, MO
101 E. High St.
First Floor
Jefferson City, MO 65101
Google Maps
Jefferson City, Missouri
Kansas City, MO
2345 Grand Blvd.
Suite 1500
Kansas City, MO 64108
Google Maps
Kansas City, Missouri
Las Vegas, NV
1980 Festival Plaza Drive, Suite 750
One Summerlin
Las Vegas, NV 89135
Google Maps
Las Vegas, Nevada
London, England
Royal College of Surgeons of England
38-43 Lincoln’s Inn Fields
London, WC2A 3PE
Google Maps
Miami, FL
355 Alhambra Circle
Suite 1250
Coral Gables, FL 33134
Google Maps
Photo of Miami, Florida
New York, NY
7 Times Square, 44th Floor
New York, NY 10036
Google Maps
New York City skyline
Philadelphia, PA
2005 Market Street
29th Floor, One Commerce Square
Philadelphia, PA 19103
Google Maps
Philadelphia, Pennsylvania
Princeton, NJ
100 Overlook Center
Second Floor
Princeton, NJ 08540
Google Maps
Princeton, New Jersey
Salt Lake City, UT
201 South Main Street
Suite 750
Salt Lake City, UT 84111
Google Maps
Salt Lake City, Utah
St. Louis, MO
7700 Forsyth Blvd.
Suite 1800
St. Louis, MO 63105
Google Maps
St. Louis, Missouri
Washington, D.C.
1050 Connecticut Avenue NW
Suite 500
Washington, DC 20036
Google Maps
Photo of Washington, D.C. with the Capitol in the foreground and Washington Monument in the background.
Wilmington, DE
1007 North Market Street
Wilmington, DE 19801
Google Maps
Wilmington, Delaware