Chris is a senior partner in the firm's Intellectual Property practice group who helps large companies secure, protect and enforce intellectual property rights.

With an emphasis in medical device, chemical and biochemical patent preparation and prosecution, Chris counsels clients on freedom-to-operate issues, patent infringement issues, patentability and other due diligence issues.

He also prepares noninfringement and invalidity opinions. Chris is actively involved in working with clients in numerous post grant review matters, including a number of reexamination matters and Inter Partes reviews.

Chris’ experience involves a variety of subject matters, such as small molecule design and development, and pharmaceuticals related to kidney disease, pain treatments, high cholesterol and cancer; electrochemical cell chemistries and design, electrochemistry, medical devices and related manufacturing processes for cardiology and vascular access products; implantable cardiac devices; herbicide-tolerant crops; herbicides; fungicides; pesticides; antibodies; vaccines; pediatric and adult nutritionals; polymeric materials; and gene sequencing.


  • Saint Louis University School of Law  (J.D., cum laude, 1995)
  • Southern Illinois University - Edwardsville  (M.S., 1992)
    • Chemistry (Biochemistry)
  • Southern Illinois University - Edwardsville  (B.S., 1991)
    • Chemistry


  • Missouri, 1995
  • Illinois, 1996
  • U.S. Patent and Trademark Office

Professional Activities

  • The Missouri Bar 
  • Illinois State Bar Association 
  • American Intellectual Property Law Association 
  • Armstrong Teasdale Executive Committee


  • Chambers USA: America's Leading Lawyers for Business, Intellectual Property (2012-present)
  • The Best Lawyers in America®; Patent Law (2011-present)
  • IAM Patent 1000: The World's Leading Patent Professionals (2021-present)
  • Managing Intellectual Property, IP Stars (2021-present)
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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Chicago, IL
100 North Riverside Plaza
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Chicago, IL 60606-1520
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Denver, CO
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Dublin 2, Ireland
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115 N. Second St.
Edwardsville, IL 62025
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Jefferson City, MO
101 E. High St.
First Floor
Jefferson City, MO 65101
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Kansas City, MO
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Las Vegas, NV
7160 Rafael Rivera Way
Suite 320
Las Vegas, NV 89113
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London, England
Royal College of Surgeons of England
38-43 Lincoln’s Inn Fields
London, WC2A 3PE
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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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19800 MacArthur Boulevard
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2005 Market Street
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Philadelphia, PA 19103
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Princeton, NJ
100 Overlook Center
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Princeton, NJ 08540
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Salt Lake City, UT
222 South Main St.
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Salt Lake City, UT 84101
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St. Louis, MO
7700 Forsyth Blvd.
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Washington, D.C.
1717 Pennsylvania Avenue NW
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Washington, DC 20006
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Wilmington, DE
1007 North Market Street
Wilmington, DE 19801
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