John Cosgrove, PE, CDP

John Cosgrove, PE, CDP

Cosgrove Computer Systems, Inc.
7411 Earldom Avenue
Playa Del Rey , CA 90293-8058
Office: 310-823-9448
Fax: 310-821-4021


John Cosgrove, PE, CDP, has been a software engineer for over forty years and a self-employed consultant since 1970. His specialties include forensic engineering, project management, software architecture; real-time/critical systems; and hardware/software interfaces. He has extensive experience with aviation computer systems, including development of aircraft navigation systems and communication devices. Recent projects have also involved business continuity and disaster recovery planning for distributed enterprises.

Areas of Expertise

  • Auditing
  • Computers
  • Demonstrative Evidence/Exhibits
  • Electronic Discovery
  • Information Technology
  • Intellectual Property
  • Internet
  • Microelectronics
  • Networking
  • Patents
  • Robotics
  • Software
  • Software Engineering
  • Wireless Technology

Expert Background

Q: Please list your professional accreditations, degrees, licenses, and certificates granted:
A: BSEE Loyola Marymount Univ. (LMU) Los Angeles
Master of Engineering, UCLA
Professional Electrical Engineer(PE), California
Certificate in Data Processing (CDP)
Q: Please list your affiliations or memberships in any professional and/or industry organizations:
A: IEEE, Computer Society, Senior Member
Association Computing Machinery (ACM), Member
National Society of Professional Engineers
Independant Computer Consultants Association
American College of Forensic Examiners (AFCE)
Q: Please list any teaching or speaking experience you have had, including subject matter:
A: Currently deliver lecture each quarter on Software Engineering for the Engineering Ethics course at UCLA. Formerly taught Software Engineering in the graduate school at UCLA & LMU.
Gave several short courses for NTU from USC.
Q: Have any of your accreditations ever been investigated, suspended or removed? (if yes, explain)
Q: On how many occasions have you been retained as an expert?
A: Dozens with testimony at bot deposition and trial. See website for list of references and case summaries.
Q: For what area(s) of expertise have you been retained as an expert?
A: Computers, software, communications and forensic evidence recovery -- My firm has associated specialized experts in many related disciplines who are available as needed. See website for details.
Q: In what percentage of your cases were you retained by the plaintiff?
A: Approximately 40% and some criminal defense (<10%). Most cases have cross-complaints so both sides are usually argued.
Q: In what percentage of your cases were you retained by the defendant?
A: Roughly 60% although I don't keep count for the above stated reason.
Q: On how many occasions have you had your deposition taken?
A: Over ten times but I don't keep count. I am scheduled more often than they actually follow through.
Q: When was the last time you had your deposition taken?
A: December/2002 -- Fulbright & Jaworski case
Q: On how many occasions have you been qualified by a court to give expert testimony?
A: I have been certified dozens of times. Not all have resulted in depositions or testimony but I usually have submitted an opinion in summary form or otherwise.
Q: On how many occasions have you testified as an expert in court or before an arbitrator?
A: Six to ten times, most recently on Tuesday March 18, 2003 before an arbitrator.
Q: For how many years have you worked with the legal industry as an expert?
A: I testified sporadically (two or three times) over 25 years of my consulting business. It started becoming a significant part of my consulting business approximately six years ago in early 1997.
Q: What services do you offer? (E.g.: consulting, testing, reports, site inspections etc.)
A: Consulting, computer evidence capture & analysis (EnCase forensic software), site inspection, review & analysis of all aspects of computer systems, projects, intellectual property disputes, business valuation of computer-intensive IP, contract performance. Services include evaluation of produced records, formal & summary opinion reports, testimony in all forms and deposition support for examining counsel.
Q: What is your hourly rate to consult with an attorney?
A: 170
Q: What is your hourly rate to review documents?
A: 170
Q: What is your hourly rate to provide deposition testimony?
A: 220
Q: What is your hourly rate to provide testimony at trial?
A: 220
Q: Please list any fees other than those stated above (E.g.: travel expenses, copy fees, etc.)
A: All expenses at cost. Travel is billed portal-portal at hourly preparation rate. Evidence capture typically involves purchase of disk drives for storage of the evidence files. Typically the drives range from $125 to $400 each depending on size and type.


John O'Malley, Esq.
Fulbright & Jaworski

Aaron Gundzik, Esq.
Cotton & Gundzik

Many more available when visiting website and downloading the forensic resume under my picture.