Home Our Team Kathrynn M. Lyddane

Kathrynn M. Lyddane


What you should know about me:

I joined Dority & Manning after completing five years as a patent examiner for the U.S. Patent and Trademark Office, gaining valuable experiences that launched my IP career. Having a background in biomedical engineering, I am a life-long learner and enjoy researching new biomedical and electromechanical technologies. I enjoy working with clients on a wide…

  • Known as a natural problem solver and friendly teammate
  • Completed the Marine Corps Marathon
  • “Science experiments” include brewing craft beer with her husband

Katie’s Experience

Katie assists clients in biomedical and electromechanical fields with U.S. and international patent procurement. She uses her knowledge and experience as a former USPTO examiner to help clients achieve their business goals. Katie renders patent-related opinions, including validity and infringement opinions as well as freedom-to-operate analyses. In addition, she is experienced in trademark registration and trademark portfolio management.

Katie has worked with a variety of technologies in the biomedical and electromechanical arts, including enteral feeding systems; medical device insertion imaging technologies; respiratory technologies such as CPAP machines, anesthesia circuits, nebulizers, inhalers; medical imaging; active and passive exercise apparatus, including robotic exoskeletons; surgical and infection prevention products; drug delivery system; and others.

Background & Credentials


  • University of Virginia (B.S., Biomedical Engineering, 2013)
  • George Washington University (J.D., with honors, 2018)


  • South Carolina
  • U.S. Patent and Trademark Office

Professional Activities

  • Carolina Patent, Trademark & Copyright Law Association (Board Member, 2019-present)
  • American Intellectual Property Law Association


  • GW Law School Kappa Beta Pi Award, 2018
  • Finnegan Intellectual Property Prize Writing Competition, 1st runner-up 2017


News & Events

D&M Attorneys Support the Juvenile Diabetes Research Foundation Gala

[Greenville, SC; May 11, 2024] Dority & Manning proudly celebrates the achievements of our Associate Attorneys, Lillian G. Fant and Caroline E. Leadmon, for their outstanding contributions to the recent Juvenile Diabetes Research Foundation (JDRF) Gala. Serving on the planning committee, Lillian and Caroline demonstrated their dedication to raising awareness and funds for Type 1 …

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