Cell Phone Analysis Expert 107351 CA(N)

Expertise Description

I have over 25 years experience in the design, development, and technical analysis of electronics and communications equipment. I have experience in cases involving patent infringement; complex trademark infringement; patent damages & royalty calculations; cell phone cases involving wrongfully accused, E-911 issues, call routing, and cell tower records; telecommunications cases involving failures and failure analysis, the local switch, toll call, and VoIP, IVR, and ATIS call centers; internet service providers; and broadband systems including ISDN, DSL, ADSL, and Ethernet. I have additional experience with all aspects of the telephone network and how it operates, the cable requirements needed to provide adequate internet service, testing cables used for high speed internet including CAT5 and high performance cables, and electrical engineering. My additional areas of expertise include electronics, power supplies, system failure analysis, reliability, safety, fault tolerant design methodology, development concepts and technical analysis of electronics, failure mode analysis, and Underwriters (UL) recognition of products for use in North America. I have 10 years expert witness experience with consultations, deposition, and courtroom testimony.

Areas of Expertise

Expert Witness

My expert witness experience includes Patent Infringement: Wireless Handset Communications Systems; Computer Station Audio Communications; Inter-carrier SMS Reformatting; Infringement of patent for ADSL technologies; Smart switch technology, design and manufacture; SMS Messaging, protocols and standards – 3GPP / OMA; SMS Messaging, protocols and standards – CDMA; Digital transmission for multi-channel carrier system; Cable Manufacturing Methods; VoIP Technology and protocols.

Consulting Experience

My consulting experience includes: analyzing cell call records, GPS, time stamps and SIM card review for Alleged murder; analyzing cell phone pictures; file recovery; analysis of cellphone use; model and end of life, damage estimate; electronic discovery issue using FAX and email transmission.

Relevant Experiences

I have extensive experience with FastTrak transponders, RFID Devices, data packet message structures and patent infringement.

I have worked on many cases where either text messages, videos, or voice messages were used in a sexual harassment or threatening manner.

I have recovered deleted text messages/video/audio files from iPhone’s (4, 5, 6) and was able to confirm or deny accusations.

I am an expert in cell tower & network operation and what types of equipment are mounted on the cell tower. I understand what types of routine maintenance activities are required (antenna adjustment, antenna replacement, additional antenna installations, peripheral equipment maintenance). I would need to know the type of cell tower on the premises, where it was installed, the height, and the number of antennae. I would need to visit the site and assess maintenance requirements and tower access. I would also need to review any contracts, equipment lists, type of tower, owner of tower, if it’s a lease, etc.

I’m experienced in the design and use of audio codecs.

Several patents were issued to me in the area of audio circuitry.

I have testified in court over 25 times and have testified at deposition at least 10 times.

I have analyzed circuits or circuitry in a device to find its failing mechanism.


BSEEElectrical Engineering

Licenses Certifications

Awards & Affiliation

Appointed to Superior Court Panel of Expert Witnesses
Speaker at NTC (National Telecommunications Conference)

Primary Affiliation


Partial List of Consulting Expert Witness Cases