Klarquist » Sheree L. Rybak, Ph.D.

Sheree L. Rybak, Ph.D.

Partner

Portland Office

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Overview

Sheree’s practice is focused on the preparation and prosecution of patent and trademark applications. She also prepares patentability opinions, freedom-to-operate opinions, non-infringement opinions, invalidity opinions, and prosecution and litigation of U.S. trademarks.

Sheree has expertise in biotechnology, including molecular biology, biochemistry, virology, medical diagnostics, and botany. She has extensive experience prosecuting plant patents. Additionally, Sheree has served on the firm’s Management Committee, and is the Chair of the firm’s Administrative Services Committee.

Sheree joined Klarquist in 1998 as a technical consultant and became partner in 2008.

Education

J.D., cum laude, Lewis & Clark Law School, 2003
Ph.D., Biological Sciences, Carnegie Mellon University, 1997
B.S., magna cum laude, Biology, Lebanon Valley College, 1990

Admissions

Arizona, 2009
Oregon, 2003
U.S. Patent and Trademark Office, 2001 (Reg. No. 47,913)

Practice Areas

Patents
Trademarks
Intellectual Property Counseling

Technologies

Life Sciences & Biotechnology
Plants
Agriculture & Food Science
Chemical

Professional Experience

Oregon Health & Science University | Post-Doctoral Fellow, 1997 – 1998 | Portland, OR
Carnegie Mellon University | Doctoral Candidate, Department of Biological Sciences, 1992 – 1997 | Pittsburgh, PA
University of Maryland at Baltimore | Research Assistant, 1990 – 1992 | Baltimore, MD

Professional Activities

Pro bono attorney for Florence Immigrant & Refugee Rights Project, 2020-present
Oregon State Bar Legal Ethics Committee, 2005 – 2007

Honors & Awards

Top Pro Bono Attorneys in Arizona | 2021
IAM Patent 1000: The World’s Leading Patent Professionals | 2020, 2021, 2022, 2023
World Trademark Review 1000: The World’s Leading Trademark Professionals | 2023

Presentations & Publications

Rybak, S. L. and R. F. Murphy. (2000). Measurement of ligand acidification kinetics for adherent and non-adherent cells. In Living Color: Flow Cytometry and Cell Sorting Protocols. R. Diamond and S. DeMaggio, editors. pp. 496-523.
Wan, L., S. S. Molloy, L. Thomas, G. Liu, Y. Xiang, S. L. Rybak, and G. Thomas. PACS-1 defines a novel gene family of cytosolic sorting proteins required for trans-Golgi network localization. (1998). Cell 94:205-216.
Rybak, S. L., and R. F. Murphy. (1998). Primary cell cultures from murine kidney and heart differ in endosomal pH. J. Cell. Physiol. 176:216-222.
Rybak, S. L., F. Lanni and R. F. Murphy. (1997). Theoretical considerations on the role of membrane potential in the regulation of endosomal pH. Biophys. J. 73:674-687.
Benka, M. L., Lee, M., Wang, G-R., Buckman, S., Burlacu, A., Cole, L., DePina, A., Dias, P., Granger, A., Grant, B., Hayward-Lester, A., Karki, S., Mann, S., Marcu, O., Nussenzweig, A., Piepenhagen, P., Raje, M., Roegiers, F., Rybak, S., Salic, A., Schultes, E., Smith-Hall, J., Waters, J., Yamamoto, N., Yanowitz, J., Yenw, K., Busa, W., and Mendelsohn, M.E. (1995) The Thrombin Receptor in Human Platelets is Coupled to a GTP-binding protein of the Gαq Family. FEBS Letters, 363:49-52.
Short, A. D., Bian, J., Ghosh, T.K., Waldron, R.T., Rybak, S.L., and Gill, D.L. (1993) Intracellular Ca2+ pool content is linked to control of cell growth. Proc. Natl. Acad. Sci. USA, 90:4986-4990.
Gill, D. L., Ghosh, T.K., Bian, J., Short, A.D., Waldron, R.T., and Rybak, S.L. (1992) Function and Organization of the Inositol 1,4,5-Trisphosphate-Sensitive Calcium Pool. In: Adv. Second Messenger Phosphoprotein Res. J.W. Putney, editor. 26:265-308.
Ghosh, T. K., Bian, J., Short, A.D., Rybak, S.L., and Gill, D.L. (1991) Persistent Intracellular Calcium Pool Depletion by Thapsigargin and Its Influence on Cell growth. J. Biol. Chem., 266:24690-24697.
AIA: Changes to Inventor’s Oath or Declaration, July 2012

Representative Patents

Biotechnology

Plants