Katherine P. Kieckhafer


Katherine Kieckhafer’s practice focuses on complex patent litigation, with an emphasis on cases brought under the Hatch-Waxman Act or otherwise involving pharmaceuticals, biotechnology or other life sciences. Her practice encompasses all phases of civil litigation, including taking and defending depositions, coordinating electronic discovery, drafting dispositive motions, preparing witnesses for depositions and trial, and appeals.

Ms. Kieckhafer’s practice also extends to disputes before the US Patent and Trademark Office. She represents clients in both bringing and defending against inter partes review.

Prior to joining WilmerHale, Ms. Kieckhafer was a law clerk for the Honorable Richard C. Tallman of the US Court of Appeals for the Ninth Circuit.  

Before law school, Ms. Kieckhafer was adjunct faculty at the University of Great Falls and a research technician at the McLaughlin Research Institute studying the molecular and genetic mechanisms of neurodegenerative disease. During graduate school, she used multiphoton microscopy to study the molecular mechanisms of transcription in Drosophila melanogaster.


  • Named to Boston Magazine’s inaugural Top Lawyers list in 2021 in the area of civil litigation/defense.

Insights & News


  • Education

    • JD, University of Florida Levin College of Law, 2015

      magna cum laude

      Order of the Coif, Articles Editor, Florida Law Review

    • MS, Biochemistry, Cornell University, 2011

    • BS, Molecular and Cellular Biology, University of Michigan, 2005

  • Admissions

    • Massachusetts

    • US Court of Appeals for the Federal Circuit

    • US Court of Appeals for the Ninth Circuit

  • Clerkships

    • The Hon. Richard C. Tallman, US Court of Appeals for the Ninth Circuit, 2015 - 2016