Tyler James Sisk, J.D., Ph.D.

Tyler James Sisk, J.D., Ph.D.

Dr. Tyler James Sisk enjoys leveraging his extensive experience and successes assisting clients in obtaining, protecting, and monetizing their proprietary technologies.

Tyler’s formal training in microbiology and immunology provides a foundation for understanding and expertise in a broad range of life science related IP including antibody technologies, CMB technologies, cancer therapeutics and diagnostics, immunotherapies, immunomodulators, vaccines, and recombination technologies such as CAR-T cells. Tyler has secured patent protection in these and other life science fields in the United States and internationally.

Tyler gratefully acknowledges that he has been blessed to be able to understand and to anticipate the evolution of cutting-edge technologies while representing clients, both inside and outside the life sciences. For example, he has also secured hundreds of patents in non-life science subject matter including intelligent mechanical designs and systems, furniture and furniture components, and taste testing devices and systems.

He contemplatively and enthusiastically works with clients to formulate and implement successful patent filing, business negotiation, and protection/enforcement strategies. Tyler provides counseling regarding:

  • Patentability and FTO
  • Invalidity and noninfringement
  • Due diligence reviews
  • Litigation and litigation avoidance

Tyler has represented clients at the USPTO, Patent Trial and Appeal Board, federal courts, and in mediation/arbitration proceedings.

Dr. Sisk has participated on the IP end of public offerings and capital raises nearing $1B.

He co-founded Casimir Jones, S.C. in 2007.


United States Court of Appeals, Federal Circuit

United States District Court, Eastern District of Wisconsin
United States District Court, Western District of Wisconsin
United States District Court, Western District of Michigan

United States Patent and Trademark Office
State Bar of Wisconsin

Professional Experience

Founding Shareholder, Casimir Jones, S.C., 2007 to present
Associate, Medlen & Carroll, LLP, San Francisco, CA, Madison, WI, Cambridge, MA
Technology Specialist, Medlen & Carroll, LLP
Summer Clerkship, Medlen & Carroll, LLP
Summer Internship, Office of Technology Transfer and Corporate Research, University of Michigan
Admissions Committee, Program in the Biomedical Sciences, University of Michigan Medical School
Teaching Assistant, Department of Microbiology and Immunology, University of Michigan Medical School
Research Associate, Department of Dairy Science, University of Wisconsin
Research Specialist, Department of Anesthesiology, University of Wisconsin Medical School


Ave Maria School of Law, J.D., 2004
University of Michigan, Ph.D., Microbiology and Immunology, 2001
Marquette University, B.S., Biology, 1994

Teaching and Speaking
Guest Lecturer, University of Wisconsin, Madison, Special Topics in Biomedical Engineering, BME 601, “Introduction to Patents”

Guest Lecturer, University of Michigan Medical School, Postdoctoral fellowship seminar series, “Alternative Scientific Careers, Patent Jobs”