John E. Spencer

Technical Expert

Founder and president at Photodigm, Inc.

John E. Spencer's recorded patent work spans two technology areas, concentrated in Semiconductors / Memory and Vacuum Tubes. Spencer has been retained only by petitioners in every recorded proceeding.

Education

Ph.D., physical chemistry — Rice UniversityB.S., chemistry — Millsaps College

Technology areas

Semiconductors / MemoryVacuum Tubes
View CV

Litigation record

PTAB & Daubert6matters on record
Retained by100%petitioner or defendant, 0% patent owner or plaintiff

See the 6 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

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