Expert Witness & Digital Forensic Services


Site Contents: © Peter Sommer, 2018   Not to be reproduced without permission

PO Box 6447  London N4 4RX UK




The  following are some of the areas in which Peter Sommer has been instructed as an expert witness in civil matters.  A list specifically identifying these together with details of instructing solicitors is available to lawyers by application here.

Appeal against inclusion on PoCA and PoVA lists
Copyright:  Alleged copied web-page design & coding
Contract / employment:  Joint report on history of computer usage
Contract:  disputed contract for supply of computer-driven employee time-keeping system
Defamation / Privacy:  emails,  blogs,;  forensic examinations;  disclosure issues
Defamation on Internet newsgroups:  provenance of computer evidence;  extent of “innocent dissemination” defence for ISPs
Employment disputes:  forensic examination of computer system
Execution of Civil Search Order under CPR 25.1 – breach of contract;  safe seizure of evidence on computer network
Inquiry:  Support for QC-lead inquiry into trade union affairs :  allegations of corrupt computer contracts, deleted and compromised computer system
Insurance claim:  failed central alarm system
IPR in computer programs
Matrimonial / family proceedings: forensic examination of computer
Met Police disciplinary procedure:  police computer systems
Negligence:   Value of lost material for computer game
Passing off dispute between rival commercial conference managers:  report on wireless internet service providers / technical and commercial
SJE:  action after defamation:  reasonableness of steps to remove information from websites and search engines
SJE:  defamation;  internet chat rooms
SJE:  defamation on websites, email
Solicitor’s Costs (instructed by Home Office)  

SJE: Examination of workstations and servers for the presence of IP in animation characters

Solicitors’ Disciplinary Hearing:  Explanations of the evidential value of IP addresses in cases involving alleged piracy of intellectual property through file-sharing sites

SJE: Examination of parties’ computer systems to determine whether emails were sent and received

SJE:  Disputed contract in email archives; original servers and computers no longer available