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 Expert  724682

Expert in Patent & Copyright Infringement, Depositions & Testify, Cell Phone Tracking, GPS, Cell Tower Records

Available for your Consulting and Expert Witness Needs

California (CA)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness Market Research

Summary of Expertise: Listed with other top experts in: 
Expert has consulted for law firms in California in connection with helping them write claims that provide the best patent coverage. He helps them in avoiding infringement by devising different technical approaches and novel ways to patent ideas and designs. He has found very few patents that cannot be bypassed by using the correct technical approach and language. He has also been involved in the reverse engineering of hardware for the purpose of determining infringement. Expert has experience in using economic, financial, accounting and market research to analyze the issues of a patent infringement case with damages. He has been involved in the construction of a lost profits claim and the determination of a reasonable royalty. He has experience with the development of effective testimony. He is familiar with the Panduit Test for determining lost profits and he has used the Georgia-Pacific factors in determining a reasonable royalty.

Expert has received several patents relating to data communications design. He has worked with digital data communications networks. He has designed data communications networks utilizing standard interfaces, protocols, and codes such as ASCII and analyzed operation and performance of equipment such as multiplexers and modems utilizing amplitude and frequency shift coding as well as QAM. He has worked with DSL and ADSL modems with and without line powering. He has worked with POE for electrical metering projects.

Expert has extensive design experience with DC-DC converters and switch mode power supply design. His emphasis is on low cost and high efficiency designs.

Expert has the expertise to assist the client in converting their invention and ideas into a patent. He helps identify additional features that can be incorporated in the patent to make it as valuable as possible.

Expert has been involved in electronics engineering for over 30 years. He has designed products which have been awarded over 30 US and International patents. He has studied patent claims to provide expert opinions in patent infringement lawsuits.

Expert has served as an advisor in Intellectual Property for several major law firms. He has assisted in determining the validity of writing a patent for a particular design. He has advised on writing claims to get the maximum value from the patent.

Expert likes to devise and develop new products for clients. He does this in such a way that it can be in most cases patentable. When requested, he will devise inventions to meet the request and will do so at no cost or obligation. At this point the invention belongs to expert. If client sees a market potential for product, the client can either license or buy rights to the patent. He can then prepare the detailed description for the patent application and the patent can then be filed by the patent firm of client's choice.

Expert has been involved in all aspects of new product development. He gets involved in the early product definition phase, does cost analysis, helps to design and develop the product or system, provides all schematics and BOMs for the design, selects vendors, assists with developing the required test fixtures and programs, helps to see that there is a smooth transition into manufacturing, helps solve any manufacturing issues.

He has designed products that have protection from overload voltages and currents. Since he designs for all regulatory requirements, there is always built in margin in all designs.


claim (patent)


patent claim construction


direct infringement


patent infringement


patent specification


patent trolling




Doctrine of Equivalents


data communication patent


DC-to-DC converter


power transistor


power-supply circuit


flyback power supply


high-voltage power supply circuit


switched-mode power supply circuit


device patenting


electronic device patenting


patent cost reduction




electronics engineering


intellectual property




new product development


overload protection


overvoltage protection

He helps to decide if an invention will work. If there is a need for the invention, if there are prior inventions or any public information that could prevent a patent from being granted. He has devised a series of criteria to assist in determining if an invention can be converted into a successful profitable patent.

He has been involved in reverse engineering for over 30 years. He works with clients to determine if a product can be built better, cheaper and smaller. Often times reverse engineering is used in the course of a patent infringement case. By determining how the device works in comparison to the challenged device, the case can often be dismissed if client is the defendant in the case.

He has over 30 years in designing circuits to withstand the surges caused by lightning and other high energy sources. He is an expert in testing per Telecordia requirements, NEBS and UL.

Expert has a deep understanding of virtually all aspects in the telecommunications arena, including design, testing and new market opportunities.

Expert has a deep understanding of virtually all aspects of telecommunications standards. He evaluated technical communications standards that could affect future product and service characteristics which could have impeded new product and service introduction.

Expert has a deep understanding of all aspects of regulatory requirements and testing procedures for both the telecommunications and medical industries. He has assisted with product designs in the early stages of development to insure that the product would pass any and all regulatory standards. He has tested products for ESD, EMI, EMC, NEBS, GR-1089, GR-63, IEC60000, IEC60601-1, UL requirements.

Expert has consulted on several cases involving cellular communications - several have involved cell tower records to establish a location of a cell phone during the commission of a felony. Expert has written reports detailing the architecture of a cellular network and the routing of a particular cell phone call. He has designed several features of cell phone technology including emergency number routing, text messages, and transceivers.


patentability evaluation


reverse engineering


telecommunications system


telephone system


digital audio broadcasting technology


digital switching


wireless data transmission


telecommunication standard


telecommunications regulatory compliance


electrostatic discharge protection


cellular communication


cellular telecommunication


cellular telephone standard


cellular telephone system


mobile telecommunication

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: San Jose, California;  San Francisco, California;  Sacramento, California;  Oakland, California;  Stockton, California;  Fremont, California;  Modesto, California;  Salinas, California;  Santa Rosa, California;  and Hayward, California.

Often requested
with this expert:

Embedded System Software, Software, Firmware, File Systems,...
Wireless Communications, LTE, WiMax, WiFi, Satellite,...
Telecommunication Industry; Patents; Communications...
Telecom, Wireless, GPS, Navigation, Wireless Device...

Year   Degree   Subject   Institution   Honors
1971   BSEE   Electrical Engineering   San Jose State University   Graduated with honors
1975   Advanced Study   Electrical Engineering   Stanford University  
1975   Advanced Study   Business   Santa Clara University  

Work History:
Years   Employer   Title   Responsibilities

2007 to 2007


Echelon Incorporated




He has consulted on and did testing for NEBS qualification for energy control devices He has consulted on electrical meter design

2002 to 2007






He has consulted on the design of a high efficient, low cost audio power amplifier for motorcycle applications

1985 to 2007


Kats Technical Services




He is an expert witness and has researched and testified in Intellectual property cases including doing reverse engineering of hardware, doing patent claims analysis, research, prior art searches. He has worked on over 10 cases involving faulty equipment suits, chemical death, harassment suit, cell phone use in commission of murder, and many patent infringement cases. He has worked on DSP systems, fiber optic systems and cell phone applications.

He has also done electronic product design and development including system design, digital & analog design, microcontroller development, power supply design. A sampling of products he has designed or played a major role in the development of include:

•Fiber Optic system design / analysis •Multi-channel POTs systems using DSL (2B1Q / gSHDSL) transport technology •Multi-channel ADSL systems using DSL (gSHDSL) transport technology •ISDN system design •20W – 50W power supply designs •ATE test fixture design and development •UL safety testing & RBOC lab testing

1996 to 2006


GoDigital Networks


Director of Engineering


He has worked on DSP systems, fiber optic systems and cell phone applications.

He has also done electronic product design and development including system design, digital & analog design, microcontroller development, power supply design. A sampling of products he has designed or played a major role in the development of include:

•Switch-mode power supply design for high efficiency applications - used for line powering of telephone equipment •ORCAD, PADSPCB, Motorola / National / PSPICE development tools & Xilinx FPGA design •Agency compliance testing, including NEBs, GR-1089, GR-303, TR-57, FCC 68 & UL •Design of manufacturing test equipment for new products. •Design and development of multi-channel DSL & ADSL / ADSL2+ systems - including the design of linecards, repeaters and remote units. •Design and development of telephony products using HDSL & gShDSL transmission. •T1 product development •International designs – Europe, Asia market •Commercial and industrial designs

Career Accomplishments:

Past member of IEEE PATCA membership in process Tau Beta Pi

Professional Appointments



1999 Super Star award in telecommunication industry

Publications and Patents Summary

He has over 30 US and International patents He has written publications for the NTC conference

Consulting Services:
Selected Consulting Examples:
  • He has consulted for E/O Networks for FTTH development and design. He also did power supply design for this client.
  • He has consulted for Raychem in Menlo Park, Calif. for ADSL / DAML /HDSL development
  • He has consulted for Raynet in Menlo Park, Calif. for FTTH development and design
  • He has provided consulting services to several clients in the telecom and medical industries for regulatory issues including UL testing, NEBS, ESD, EMI, EMC, IEC
  • He has consulted for Hawg-Wired in Fremont for audio amplifier design and development and for Echelon Corp for energy control and electrical meter design
Recent Client Requests:
  • Expert in electronic product design for consulting on internal temperature issues.
  • Expert in telephone microwave technology for Search technology.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Expert Witness Experience Summary:
He has served as an expert witness on over 20 cases in the past 5 years and they have been in a variety of areas including Patent Infringement, Cell Phone Tracking for Felony cases (DA, Public defender, private)

Belden Technologies, Inc. et al. v. Superior Essex Inc., et al – Patent Infringement involving design – Plaintiff

Wi-LAN, Inc. v. Westell Technologies, Inc. et al. – Patent Infringement involving wire & wireless – Defendant

Tsung-Mou Yu v. Joemex Electric Corp. - Patent Infringement involving wire & wireless – Defendant

Aloft Media v Nokia et al 0 – Patent Infringement involving cell phone communications - Plaintiff

Conklin v. GoDigital Networks –Patent Infringement in areas of cable (CAT 5) design, products- Defendant

Conklin v. GoDigital Networks –Patent Infringement in areas of DSL / ADSL design, products- Defendant

Class Action Lawsuit involving defective iPOD Shuffle headsets - Plaintiff

Sphere Multimedia Technologies v. Defendants (Multiple) – Patent Infringement of cell phone design - Plaintiff

Stephen Elston v. St. Jude Packaging & Specialties –Interstate cell phone call & routing issue, illegal taping – Plaintiff

Verizon v. Community Central Energy – case involving liability for cable damage / installation / design – Plaintiff

Auburn Lake Trail POA v. R&S Gates – POA suing R&S Gates for faulty telephone equipment installation. Defendant

Somma v. Acuity – Wrongful death suit involving use of chemicals in engineering repair lab – Defendant

Conley v. Europa Sports – Injury case involving cell phone harassment – Plaintiff

Crawford v. Prosser School District – Injury involving cell phone use / non-use) - Plaintiff

John Fieldman v. ATT – E911 failure resulting in death and destructive fire. Repeater equipment failure analysis - Plaintiff

State of Nevada v. Collins – alleged murder –analyzing cell call records and SIM card review – Defendant

State of Nevada v. Aguirre – Alleged murder – analyzing cell call records and cell phone pictures - Defendant

People v. Ulloa –Sexual harassment case involving analyzing cell call records and file recovery cell phone – Defendant

People v. Delgado – Physical abuse case involving cell phone records & tracking, GPS, file recovery from SIM card – Def

Attorney, Agent: Leonard R. Cool; Russell A. Cannon – Copyright research, Claims analysis, Declaration

Attorney, Agent: Douglas M. Gilbert; Russell A. Cannon – Copyright research, Claims analysis, Declaration

Limbach & Limbach, L.L.P - Claims analysis, Patent Application review

Sierra Patent Group, L.T.D – Claims analysis, Patent Application review

Intellectual Property Attorney: Michael A. Stallman –Claims Analysis, Patent analysis ; Copyright analysis

Recent Litigation Client Requests:
  • Cellular phone expert needed for consulting regarding patent infringement.
  • Electrical switch expert needed for consulting regarding expert witness for patent litigation.
  • Cellular telephone expert for consulting on cell phone transmission issues.
  • Expert for consulting on cell phone tower records.
  • Telephone systems expert witness for consulting on Phone Systems Needed.
  • Telephone expert for consulting on possible expert witness role in a patent infringement lawsuit.
  • Expert in determining cell phone location during a certain time period for crimal defense case.
  • Patent infringment financial damages expert for consulting on patent infringment case.
  • Expert - cell phone records for consulting on Cell phone record interpretation.
  • Expert witness for consulting on cell site data.
  • Telecommunications expert for consulting on cell phone tracking.
  • Bluetooth patent expert for consulting on Bluetooth patent infringement.
  • Expert in manufacturing and QC for consulting on notebook computer power supply.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

International Experience:
Years   Country / Region   Summary
1990 to 1992   Germany   Assisted with the installation and bring up of a Fiber optic system in the German DBP

Market Research:
He has done market analysis for new product development including architecture of next generation products.

Click the green button above to contact Expert for a free initial screening call regarding your marketing research, industry research, and company research needs.  For research needs involving multiple experts or secondary research, a Research Director can be assigned to coordinate the work into a custom report for you as a potentially quicker and more cost effective alternative to doing this work yourself or hiring a boutique consultancy.  Remember, your initial screening call to speak with Expert is free.

Additional Skills and Services:

He has delivered talks at the National Telecommunication Conference on Digital carrier devices He has provided training for telecom outside plant electronics

Supplier and Vendor Location and Selection

He has been involved in vendor selection in telecom product companies

Other Skills and Services

He has been the co-founder of (3) successful telecom companies. He has taught courses on telecom design


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