Kathleen works closely with clients to protect their commercially important products and achieve their business objectives while helping them avoid infringement of competitors' patents.


Kathleen's primary focus is on developing and enforcing worldwide patent portfolios. She has extensive experience counseling companies in the pharma, biotech, medical, energy, oil and gas, agricultural, and food science industries, ranging from Fortune 500 companies to start-up and emerging growth companies, universities and venture capital firms. 

A registered patent attorney, Kathleen also assists in developing litigation strategies for patent infringement lawsuits and Inter Partes Review (IPR) proceedings. With experience working at the United States Patent and Trademark Office (USPTO), her roster of influential clients includes Ecolab, Bayer, Relypsa, Hemoshear, Elemental Enzymes, Vision Grills, and the University of Missouri. Kathleen counsels clients on freedom-to-operate and patent enforcement involving products with multi-billion dollar annual sales. She has extensive experience with complex licensing and technology agreements worldwide, and due diligence for venture capital and private equity financings.


Kathleen frequently works with new clients who are uncertain whether their existing intellectual property is protecting their business.  She studies their business and products, then revises existing patent applications to better protect those products and cover alternative designs, while identifying what IP may not be needed to reduce expenses.  She also manages the IP portfolio by expediting prosecution of IP for important products and delaying prosecution of less important IP to better control the client's budget.

Kathleen has worked in a wide range of technologies from FDA-approved polymeric formulations for treating hyperkalemia or hypertension to kamado grills. She has experience and knowledge with small organic molecules for treating pain, cancer and other indications, diagnostic assays for detecting various disease states, contrast agents for use in MRI and optical imaging, NF-KB inhibitors for treating muscular dystrophy, and in vitro cell culture systems for mimicking human vasculature for use in drug discovery. She has extensive experience assisting clients with polymer hydroxide exchange membranes for fuel cells, and flow batteries, herbicide formulations, oil processing methods and enhanced oil compositions, biocides, and single crystal silicon manufacture.

Kathleen has also worked with engineered tissues for use in organ printing of vasculature and cartilage, transgenic plants, assays for measuring ribosomal translational activity in stressed or dying cells, bioactive conductive polymers for medical devices, high throughput screening methods, cryopreservation, immobilized enzyme materials for carbon capture and fuel cells, protein purification processes, microalgae for biofuels, and recombinant proteins for use as blood substitutes or in treating anemia or chronic heart failure.

She prepares opinions concerning the infringement and validity of pharmaceuticals, biopharmaceuticals, vaccines and formulations and provides legal opinions to support Paragraph IV certifications for Abbreviated New Drug Applications (ANDA) under Hatch-Waxman.

Kathleen works with foreign counsel to develop global IP protection and strategies for patent oppositions in foreign jurisdictions.

Kathleen evaluates intellectual property portfolios in connection with venture capital and private equity financings, acquisitions and joint development initiatives by her clients.

She has acted as in-house patent counsel for clients and has drafted and negotiated their license agreements and other technology-related agreements.

Kathleen also assists in briefing and developing litigation strategies for patent infringement lawsuits and Inter Partes Review proceedings.

Before law school, Kathleen was a patent examiner at the U.S. Patent and Trademark Office; during law school she worked as a patent agent.

As a chemical engineering student, Kathleen interned at the Aluminum Company of America (ALCOA) where she derived mathematical model simulations and determined diffusion in alloy processing reactors.

News & Insights



The Best Lawyers in America® – Patent Law and Patent Litigation

  • Named 2017 Lawyer of the Year for Patent Law in Saint Louis

Missouri & Kansas Super Lawyers©

  • Top 50 Women Missouri & Kansas Super Lawyers, 2012

Who's Who in Technology, St. Louis Business Journal

Patented bioprinter technology named as a "Best Invention" of the Year by Time Magazine

Professional & Civic Activities

Professional & Civic Activities

National Advisory Eye Council of the National Institutes of Health, 2011-2015

Lay Review Committee of the Juvenile Diabetes Research Foundation (JDRF)

Bar Association of Metropolitan St. Louis

  • Patent, Trademark and Copyright Steering Committee
  • Trademark, Copyright and Unfair Competition Subcommittee, Past Chair

Missouri Bar Association, Patent, Trademark & Copyright Law Committee, Past Vice Chair

Intellectual Property Law Association of Chicago, Judicial Appointments Committee, Past Vice Chair

American intellectual Property Law Association


  • Missouri, 1994
  • Illinois, 1993
  • U.S. Patent and Trademark Office, 1991


The John Marshall Law School, J.D., cum laude, 1993

George Mason University

University of Pittsburgh, B.S., Chemical Engineering, cum laude, 1987

  • Dean's List

University of Delaware, Provost Scholar, President's Achievement Scholarship

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