Clifford T. Johnston

Technical

Professor of Agronomy and Earth, Atmospheric and Planetary Sciences at Purdue University

Ph.D., Soil and Environmental Science — University of California, RiversidePh.D., soil and environmental chemistry — University of California, RiversideB.S., Chemistry — University of California, Riverside
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Clifford T. Johnston is primarily a technical expert in patent litigation, most active in Life Sciences & Pharma with Animal Husbandry as the leading focus area, and has appeared in fewer than ten patent matters, most recently in 2022. Johnston holds a Ph.D. and has been active since 2022.

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  • PTAB Final Written Decision outcomes
  • District court Daubert rulings
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