As a partner in the firm's Intellectual Property practice group, Erin Florek assists medical device, chemical, and life sciences companies in applying for and protecting U.S. and international patents.

With an emphasis in medical device and chemical-related technology, Erin counsels clients on freedom-to-operate, patent infringement, patentability and due diligence issues. She regularly prepares noninfringement and invalidity opinions, and assists in litigation analysis and Inter Partes Review Proceedings. 

Erin’s experience involves a variety of subject matters, such as small molecule design and development, chemical synthesis and related processes, pharmaceuticals, enzyme catalysts, medical devices and related manufacturing processes for cardiology and vascular access products, electrochemical cells, hydrogen generation cell, pesticide formulations, device coatings, microencapsulation, polymeric materials, and heat transfer.


  • Saint Louis University School of Law  (J.D., cum laude, 2007)
    • Order of the Woolsack
    • Academic Achievement Awards (Legal Research and Writing I and II; Legal Professions)
  • University of Mississippi  (B.S., magna cum laude, 2004)
    • Chemical Engineering


  • Missouri, 2007
  • Illinois, 2008
  • U.S. Patent and Trademark Office

Professional Activities

  • The Missouri Bar 
  • Illinois State Bar Association

Charitable and Civic Involvement

  • Old Bags™ (Planning Committee)


  • IAM Patent 1000: The World's Leading Patent Professionals (2022-present)
  • Best IP Attorneys in St. Louis, St. Louis Small Business Monthly (2022)
  • Managing Intellectual Property, IP Stars (2022-present)


While in law school, Erin served as an intern law clerk for Judge David R. Herndon of the U.S. District Court, Southern District of Illinois and for Judge Mary K. Hoff of the Missouri Court of Appeals, Eastern District.

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