Expert Witness

Dave Howell has been retained as an expert witness in these patent cases:

Adaptics Limited et al v. Perfect Company
PTAB-IPR2018-01596: inter partes review

Pure Imagination, LLC v. Adaptics Limited et al
No. 3:14-cv-05976: infringement, non-invalidity

Perfect Company v. Adaptics Limited
No. 3:17-cv-05922: infringement, non-invalidity

Guardian Alliance Technologies, Inc. v. Tyler Miller
PTAB-IPR2020-00031: inter partes review

Miller Mendel Inc et al v. Oklahoma City City of
No. 5:18-cv-00990: infringement, non-invalidity

These cases centered around infringement and denied patent invalidity. Dave was hired by the plaintiffs to:

  • Write expert opinions
  • Assist in claim construction
  • Give and attend depositions
  • Testify in Federal Court
  • Perform source code inspections
  • Provide general technical consultation to attorneys

Public Record

While the source code inspections and some deposition content are sealed, some of Dave’s writing is publicly available.

10/20/2017

Proceedings held before Judge Ronald B. Leighton: Markman Hearing. Plaintiff called David Howell.

11/30/2018

Proceedings held before Judge Ronald B. Leighton. Markman Hearing. Plaintiff called David Howell.