Dirk Duffner

Technical Expert

Principal, Duffner Engineering

Dirk Duffner's recorded patent work spans three technology areas, concentrated in Plastics & Composites Manufacturing and Oilfield Well Pumps. Duffner has been retained only by patent owners in every recorded proceeding.

Education

M.S., Mechanical Engineering — Stanford UniversityB.S., Mechanical Engineering — University of California, Los Angeles

Technology areas

Plastics & Composites ManufacturingOilfield Well PumpsElectrical Connectors
View CV

Litigation record

PTAB & Daubert4matters on record
Retained by0%petitioner or defendant, 100% patent owner or plaintiff

See the 4 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

Experts with overlapping technology areas

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Vijay K. Madisetti
Professor in Electrical and Computer Engineering at Georgia Tech
Andrew W. Carter
Co-Founder and Managing Director at Ocean Tomo
Steven B. Leeb
MacVicar Professor of Electrical Engineering and Computer Science at Massachusetts Institute of Technology