Practice Areas

Dr. Sisk serves as principal outside patent counsel to numerous life science and alternative energy companies. Dr. Sisk specializes in providing counsel and advice to clients regarding all aspects of patent and trademark procurement, enforcement, and portfolio management, particularly in the areas of microbiology, immunology, vaccine technology, nutraceuticals, animal health and nutrition, drug delivery systems, alternative energy production and systems, array and polymer technologies, medical devices as wells as in the mechanical arts. Dr. Sisk has successfully prosecuted greater than five-hundred applications to grant in the United States and abroad and enjoys extensive experience in patent prosecution and post grant proceedings including ex-parte reexam and inter partes reexam (now inter partes review), freedom to operate analysis, validity and infringement opinions, and due diligence reviews.




Professional Experience

Founding Shareholder, Casimir Jones, S.C., 2007 to present
Associate, Medlen & Carroll, LLP, San Francisco, CA, Madison, WI, Cambridge, MA, 2004-2007
Technology Specialist, Medlen & Carroll, LLP, 2003-2004
Summer Clerkship, Medlen & Carroll, LLP, 2003
Summer Internship, Office of Technology Transfer and Corporate Research, University of Michigan, 2002
Graduate Student, Department of Microbiology and Immunology, University of Michigan Medical School, 1997-2001
Admissions Committee, Program in the Biomedical Sciences, University of Michigan Medical School, 2000-2001
Teaching Assistant, Department of Microbiology and Immunology, University of Michigan Medical School, 1997-1999
Research Associate, Department of Dairy Science, University of Wisconsin, 1996-1997
Research Specialist, Department of Anesthesiology, University of Wisconsin Medical School, 1995-1996





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





United States Patent and Trademark Office
U.S. District Court, Western District of Wisconsin
U.S. District Court, Western District of Michigan
State Bar of Wisconsin





1. Sisk, T.J., Gourley, T., Roys, S. and Chang, C-H. 2000. CIITA inhibits IL-4 gene transcription by competing with NF-AT to bind CBP/p300. Journal of Immunology 165, 2511-2517.

2. Sisk, T.J., Nickerson, K., Inohara, N., Yee, C., Kennell, J., Cho, M-C., Yannie, J., Nunez, N. and Chang, C-H. 2001. Dendritic cell-specific MHC class II transactivator contains a caspase recruitment domain that confers potent transactivation activity. Journal of Biological Chemistry 276, 19089-19093.

3. Sisk, T.J., Roy, S. and Chang, C-H. 2001. Self-association of CIITA and its transactivation potential. Molecular and Cellular Biology 21, 4919-4928.

4. Chang, C-H., Gourley, T. and Sisk, T.J. 2002. Function and regulation of class II transactivator in the immune system. Immunologic Research; 25(2):131-42.

5. Sisk, T.J., Nickerson, K, Kwok, R. and Chang, C-H. 2003. Phosphorylation of class II transactivator regulates its interaction ability and transactivation function. International Immunology 15(10), 1195-1205.

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