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patent defenses

Our online research tool summarizes substantive defenses to assertions of infringement of U.S. patents, with links to relevant case law.

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Klarquist’s professional staff of attorneys and patent agents hail from diverse backgrounds, and have deep and broad legal and industry experience.

MORE THAN 75 Years of IP Law Experience
MORE THAN 60 Attorneys & Patent Agents
MORE THAN 90% Of Our Professionals Have Technical Degrees

Klarquist Spotlight

Sheree L. Rybak, Ph.D.


Dr. Rybak’s practice is focused on the preparation and prosecution of patent and trademark applications. Her expertise is in biotechnology, and she has extensive experience prosecuting plant patents. Dr. Rybak also does pro bono work for the Florence Project, and works with unaccompanied minors to help them obtain asylum or special immigrant juvenile status and avoid deportation. Outside of legal, Dr. Rybak enjoys traveling and has been to 44 countries and all continents except Australia.

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