Infringement Expert Witnesses
Infringement expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on infringement. The infringement expert witness listings on this page are typically from fields/areas of expertise such as: Accounting, Chemistry & Chemicals, Computers, Cybersecurity, Electrical Engineering, Intellectual Property, Mechanical Engineering, Medical Devices, Pharmaceutical Research, Products Liability, and Software Engineering.
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Joshua Goshorn
Source Code review, 100+ IP cases leading firms
JLG Technologies, Inc.
Carmel, California
Software Engineering, Electrical Engineering
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Source Code , Computer network , Video Streaming, Wireless, Set top box, digital signal processing, computer vision, cellular , C++, C, video codec, infringement, prior art , HDL, RTL, embedded systems, mobile applications, ios, android, digital communications
Consulting engineer with over 25 years experience as a communications systems and computer engineer with expertise in communications systems, computer networks, digital signal processing, and the design and development of software and hardware systems. Have written thousands of lines of source code for embedded systems, computer network client/server applications, computer servers with DataBases, mobile applications and complex digital signal processing and communications theory algorithms. Have been retained as a technical expert in over a 100 intellectual property litigation matters and have analyzed millions of lines of source code and analyzed hundreds of patents in relation to the matters. Have written over a dozen expert reports on infringement, invalidity, have been deposed many times and have testified at trial at the International Trade Commission.
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Paul A Rodrigues
Forensic Accountant, fraud investigator, Damages
Trace Forensic Experts LLC
Illinois
Accounting, Intellectual Property
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Economic, Intellectual Property & Commercial Damages, Infringement, Lost Profits, Royalty, Forensic Accounting, Breach of Contract, Fiduciary Duty, Fraud Investigations, Embezzlement, Construction, Bankruptcy, Malpractice, Analytics, ediscovery, special master, Ponzi schemes, Theft of Trade Secrets, Damages
Paul Rodrigues is a Managing Member of Trace Forensic Experts LLC. He is a Certified Fraud Examiner, Certified Public Accountant, Chartered Global Management Accountant with a Master's Degree in Taxation and is Certified in Financial Forensics. Paul has more than 31 years of experience in the accounting profession. He began his practice with a big four public accounting firm and has served as an expert witness or consultant in numerous forensic, fraud, and litigation engagements with damage claims ranging from $1 million to $250 million. He has testified in Federal and State courts, arbitrations and mediations. Paul has been involved with civil and criminal litigation (on behalf of plaintiffs and defendants) including but not limited to: accounting & auditing standards; improper accounting entries, the determination of lost profits, income, assets, or damages; internal investigations and fraud investigations, securities, civil RICO; bribery and other litigation claims requiring ac...
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Bob Weiman
Software Product Design Expert
Oracle Engineering LLC
Sudbury, Massachusetts
Software Engineering, Medical Devices
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Medical Software, Patents, Tort, Trade Secret, C/C++, Infringement, Engineering, Software, Embedded systems, Real Time Control, Firmware, Source Code Review, Robotics, Computer, Programming, Algorithms, Safety Critical, Software Malfunction, Intellectual Property, Electrical Engineering
Bob Weiman is the founder of Oracle Engineering LLC, a consulting firm that has been designing electronic medical devices, consumer, and industrial products for over 35 years. He was head of the Electrical Engineering department for a Medical Products group and continues to design software for safety critical systems such as computerized medical devices including an artificial heart, a cancer radiation treatment system, a heart defibrillator, insulin pumps and other high-tech devices used in hospitals, operating rooms and doctors office's. Bob has designed Embedded Systems for the DOD and the Navy. He has designed consumer products sold in computer stores. He designed a satellite remote control system that was demonstrated at The White House for the President. Bob has experience as an Expert Witness in medical tort cases, patent cases, workers’ compensation, and trade secret cases.
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Satish Narayanasamy
Computer Sci. and Eng. Expert - U Michigan faculty
Ann Arbor, Michigan
Computers, Cybersecurity
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Computer Architecture;, Hardware-Software Co-Design, GPUs and Accelerators, Operating Systems, Program Analysis, Parallel Programming, Memory Systems, Hardware security, Trustworthy computing, Forensics, Performance Analysis, Genomics, ASIC Accelerators, Patent analysis, Infringement
I am a Professor of Computer Science and Engineering at the University of Michigan with expertise in computer architecture, hardware-software co-design, trustworthy computing, hardware security, parallel systems, compilers, GPUs, accelerators, memory systems, and genomics computing. My current work focuses on hardware-rooted security for agentic AI, parallel systems for genome sequencing, and generative AI techniques for producing efficient parallel code for modern accelerators.
My research has been recognized with an NSF CAREER Award, best paper awards at ASPLOS and ISPASS, four IEEE MICRO Top Picks awards, and induction into the ISCA, ASPLOS, and PLDI Halls of Fame. My work has also had practical industry impact: my record-and-replay research helped shape tools such as Microsoft WinDbg’s iDNA and Intel PinPlay, which have been used for debugging, architectural simulation, and software development. I am an inventor on multiple issued U.S. patents, including U.S. Patent Nos. 8,561,...
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David J Augeri, PhD
Pharmaceutical IP Litigation Expert Witness
DJ AUGERI PHARMA CONSULTING, LLC
Princeton, New Jersey
Chemistry & Chemicals, Pharmaceutical Research
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Synthetic Organic/Medicinal Chemistry, ANDA Expert Witness, DPP4 SGLT2 ANDA, HatchWaxman, Obviousness, Enablement, Infringement, Invalidity, Paragraph IV, Patent IP and Litigation, Osimertinib EGFR, GLP-1 agonists, Sitagliptin, drug discov. and development, Dapagliflozin, venclexta bcl2, btk Ibutinib, Adagrasib KRASG12C, FLT3, POSITA
With over 10 years of experience as an expert witness at DJ Augeri Pharma Consulting LLC, I specialize in pharmaceutical patent litigation, specifically in the areas of synthetic organic and medicinal chemistry, drug discovery, and CMC/API process development. I provide critical support for legal clients, offering expert reports, prior art review, claims interpretation, and testimony in U.S. and Canadian courts. My work spans patent infringement, validity, obviousness, and enablement analyses, as well as consulting on ANDA/Hatch-Waxman litigation, with a focus on diabetes and oncology drugs.
I am committed to advancing pharmaceutical innovation by combining my expertise in medicinal chemistry, structure–activity relationships, and drug development, from preclinical research to IND submissions. My technical contributions include designing alternative compounds, optimizing drug properties, and overseeing CMC facets of clinical development. I strive to provide high-quality, data-dri...
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David S Howell
Software Engineering • Mobile App Development • IP
Expert Guild
Long Island City, New York
Software Engineering, Intellectual Property
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Software, Mobile, Apps, Patent, Trade Secret, Infringement, Source Code, Inspection, Android, Development, macOS, Engineering, iOS, Kotlin, Objective-C, Java, Swift, IP, AI, ML
David Howell is a former Apple software engineer with more than 35 years in the software industry and experience teaching computer science and engineering management at a graduate level. He has founded three startups, including one acquired by Apple, with a focus on mobile, desktop, and web apps, and is currently CEO of Expert Guild, an agency that helps litigation teams find the perfect testifying expert for technology and healthcare-related cases. In the past his roles have included Chief Executive Officer (CEO), Chief Technology Officer (CTO), VP of Engineering, Senior Software Engineer, and member of Boards of Advisors. As CEO of Avatron, he led a team of ex-Apple engineers to build world-class productivity apps for mobile devices. At Apple he managed a platform enabling third-party visual-effects plug-ins for film and video.
As an expert witness, Mr. Howell has written 20 opinions, testified in Federal court twice, arbitration court once, and the UK Competition Appeal Tribunal...
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Randall King, PhD, PE
Mech Engineer, Patents, Products Liability, Design
King Professional Engineering, Inc.
DALLAS, Texas
Mechanical Engineering, Products Liability
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Patents, products liability, machinery design, failure analysis, design defects, 15 US patents + 6 int'l patents, Oilfield, industrial accidents, pumps, valves, consumer products, mechanical equipment failures, inventorship, infringement, invalidity, manufacturing defects, piping, compressors, Agricultural accidents, Drilling
Dr. King is a licensed professional engineer with a Ph.D. in mechanical engineering: 40+ years experience in mechanical engineering, product design, research and development of high-pressure oilfield fracturing pumps and automotive components, forensic investigation, and litigation support. 10 years high-pressure equipment design & R&D at Halliburton, 8 years automotive component design & R&D at NTN,
▪ Testified at 11 trials & 58 depositions
▪ 25 Patent, IPR, & PGR cases – 4 trials & 12 depositions
▪ 21 Patents
▪ Patent infringement, invalidity, inventorship, claim construction
▪ Products liability
▪ Design defects & manufacturing defects
▪ Failure analysis
▪ Oilfield, Industrial, Construction, & Agricultural accidents
▪ Pumps, valves, compressors, blowers, piping
▪ Cranes, trucks, lifts, ATV's
▪ Ag equipment
▪ Consumer products
Dr. King has served as a forensic engineer for over 20 years, testifying at 11 trials and 58 depositions in state and federal cou...
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Eric Cole, DPS
Cybersecurity, Networking, Computer, and IT Expert
Secure Anchor Consulting
Ashburn, Virginia
Cybersecurity, Computers
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Data Breach, Operating Systems, Computer Security, Cyber Breach, Intellectual Property, Loss Prevention, Network Security, Security Management, Security Negligence, Trade Secrets, Security Standards, Data Privacy, Cloud Security, Patents, Apportionment, Infringement, Damages, Meta Data, Patent Validity, Industry Standards
Dr. Eric Cole is a computer and cybersecurity expert who has built a solid reputation in the information technology industry over the last three decades. His educational experience includes a master’s degree in computer science from the New York Institute of Technology, and a doctorate in Professional Studies from Pace University.
Dr. Cole’s expert involvement in the cybersecurity industry is demonstrated by being appointed as the commissioner on cybersecurity for the 44th president, holding a position as a senior fellow at SANS, and being elected to the Purdue University Executive Advisory Board. His extensive real-world experience includes being the former Chief Technology Officer for McAfee, former Chief Scientist at Lockheed Martin, and former Program Manager at the Central Intelligence Agency. Currently, he is the CEO and Founder of Secure Anchor Consulting. His consulting clients include Fortune 500 companies, Fortune 50 companies, international organizations, and the feder...
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Paul A Rodrigues
Forensic Accountant, fraud investigator, Damages
Trace Forensic Experts LLC
North Lake, Wisconsin
Accounting, Intellectual Property
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Economic, Intellectual Property & Commercial Damages, Infringement, Lost Profits, Royalty, Forensic Accounting, Breach of Contract, Fiduciary Duty, Fraud Investigations, Embezzlement, Construction, Bankruptcy, Malpractice, Analytics, ediscovery, special master, Ponzi schemes, Theft of Trade Secrets, Damages
Paul Rodrigues is a Managing Member of Trace Forensic Experts LLC. He is a Certified Fraud Examiner, Certified Public Accountant, Chartered Global Management Accountant with a Master's Degree in Taxation and is Certified in Financial Forensics. Paul has more than 31 years of experience in the accounting profession. He began his practice with a big four public accounting firm and has served as an expert witness or consultant in numerous forensic, fraud, and litigation engagements with damage claims ranging from $1 million to $250 million. He has testified in Federal and State courts, arbitrations and mediations. Paul has been involved with civil and criminal litigation (on behalf of plaintiffs and defendants) including but not limited to: accounting & auditing standards; improper accounting entries, the determination of lost profits, income, assets, or damages; internal investigations and fraud investigations, securities, civil RICO; bribery and other litigation claims requiring ac...