Clifford T. Johnston

Technical Expert

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

Clifford T. Johnston's recorded patent work is concentrated in Animal Husbandry. Johnston has been retained more often by patent owners than by petitioners.

Education

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

Technology areas

View CV

Litigation record

PTAB & Daubert3matters on record
Retained by33%petitioner or defendant, 67% patent owner or plaintiff

See the 3 matters behind this record

  • Every proceeding by number, with the patent at issue
  • The retaining party and law firm
  • Whether the Board credited or declined to credit the testimony, quoting the decision
  • How each motion to exclude was decided: denied, granted in part, or granted