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Expert Witnesses & Forensic Consultants Directory

Intellectual Property — United States

Intellectual property United States expert witnesses, profiled in this directory, may consult on IP infringement, service and trademarks, proprietary knowledge, IP portfolio management and IP rights enforcement. These Intellectual property experts may provide forensic consulting on matters of reverse engineering, damage quantification and assessments, including lost profits, reasonable royalties, price erosion, unjust enrichment and consequential impacts. These Intellectual property United States expert witnesses may also provide written opinions in matters of U.S. and international technology licensing, marketing, distribution, acquisition and outsourcing agreements, as well as in issues involving the the U.S. Patent and Trademark Office (PTO) and the International Trade Commission (ITC). These IP United States expert witnesses may testify regarding trade secrets, confidential information, software copyrights and royalties, authors and inventors, IP holders and related matters.
 
About 135 results (0.09 seconds) — Results include first those located in the region, then those who serve in the region.

Todd Welch / Gerry Laporte (Riley, Welch, Laporte)

Todd Welch and Gerry Laporte are world leaders in high profile extremely complex document fraud and - ICSID Cases. They specialize in handwriting exams, ink dating, and independent forensic case review & quality assurance analysis worldwide.
Frankenmuth, MI

Tal Lavian, Ph.D.— Telecommunications - Network Communications - Wireless

Telecommunications and network communications technology expert. Ph.D. UC Berkeley. 120+ patents. 70+ cases, 140+ patents analyzed. Federal courts, PTAB, ITC. TCP/IP, VoIP, wireless, routing, network security, streaming media, cloud. IEEE Senior Member.
Encino, CA

Rhonda Harper - Testifying Consumer Survey and Marketing Expert - 300+ Cases

Ms. Harper is a nationally recogniz marketing and consumer perception expert, retained by hundreds of law firms in matters involving trademark infringement, misleading advertising, licensing disputes, branding conflicts, and complex marketing matters.
Dallas, TX

Istvan Jonyer, Ph.D. - Telecommunications, Networking

Telecommunications, networking, data communications, mobile networking, and networking protocols expert. Experienced testifying expert with 25+ cases.
Los Angeles, CA

Joel Delman | Design Expert Witness | Design Patent Infringement Expert

Formerly a corporate and intellectual property lawyer, I‘ve spent over 30 years guiding innovation through strategic product design. Design Patent Infringement | Validity | Article of Manufacture | Trade Dress | Functionality | Secondary Meaning
Los Angeles, CA

Amanda T. Bulian, MBA, Senior Manager – Applied Marketing Science, Inc.

Testifying survey expert for intellectual property, false advertising, and class action matters. Services include survey design, data collection and analysis, expert report preparation, critiques of opposing expert reports, and expert testimony.
Burlington, MA

Jay Grossman, DDS Dentist, Dental Expert

Dental malpractice, Dental Injury, & Dental lP (Intellectual Property) expert testimony. As of December 2025, I have been deposed over 150 times and have reviewed more than 1,100 cases for both defense and plaintiff clients, including peer reviews, ac
Los Angeles, CA

Charles L. Mauro, CHFP / BPCE — Mauro Usability Science

40+ years of experience in GUI design, human factors engineering, ergonomics, and product design with consumer, commercial and industrial applications. Experienced expert witness in design and utility patents, trade dress, copyright, and other IP issues.
New York City, NY

Neal A Sher MD, FACS

Neal A. Sher MD FACS, is an ophthalmic surgeon providing expert evaluation of potential malpractice cases involving ophthalmology for defense and plaintiff. He has extensive experience in malpractice, toxic exposures, product liability and patent issues.
Chicago, IL

Brian M. Sowers, MBA, Principal - Applied Marketing Science, Inc.

Customer Survey Expert. Manages market research engagements for complex cases, including trademark and trade dress infringement, class action matters, false and deceptive advertising, and patent damages as well as critiques of opposing expert reports.
Burlington, MA

Product (Physical/Digital/Service) IP - Subject Matter Expert, POSITA/DOSA

Subject matter expert in the areas encompassing product design and development across a variety of industries, consumer and commercial. Expert Witness. Person of Ordinary Skill in the Art providing consulting, analysis, reports and testimony.
Chicago, IL

Peter Crosby Expert

Medical devices; patents (infringement, ownership, validity, IPR, ITC); trade secrets; fiduciary duty; corporate governancel M&A transactions; biomedical engineering
Aliso Viejo, CA

Dr. Larry Chiagouris — BrandMarketing Services Ltd.

PhD: SERVICES NATIONWIDE: experienced senior marketing, branding & survey research services expert in damages, marketing, false advertising, intellectual property/secondary meaning/likelihood of confusion. Former Director, American Marketing Associati
Boca Grande, FL

Harry Direen, PhD, PE

Electrical engineer, 40+ yr, specialized in control systems, embedded systems, digital signal processing, software design/development, electronic hardware design/development, product reverse engineering and patent forensics. Experienced expert witness.
Colorado Springs, CO

Antonio R. Sarabia II

30 years federal/state court exp.: licensing: performance, breaches; trademarks/trade dress: secondary meaning, infringement, dilution, investigations. Copyrights: originality and substantial similarity. Apparel: manufacturing, sales, distribution, design
Redondo Beach, CA

Synthetic Organic/Medicinal Chemist, 2 FDA-app Drug Discoveries, Expert Witness

Successful Medicinal Chemist/Expert Consultant/Witness-Reports as required by courts on either the drug or the general drug class. Pharma IP Enablement & IP Infringement (Markman Hear)-Detailed analysis of claims for enablement and infringement.
Princeton, NJ

Thomas Neches, CPA/ABV/CFF, CVA, CFE

Experienced CPA expert witness provides forensic accounting, business valuation and computer database analysis with experience in antitrust, breach of contract, fraud, intellectual property, lender liability, personal injury, and wrongful termination
Los Angeles, CA

John E. Cochran, Jr., PhD, JD, PE

Aerospace Engineer, professor emeritus, attorney. Consultant & expert witness in litigation involving, airplanes, helicopters, missiles, spacecraft, automobiles, Segways, and other products. Experience in patent infringement.
Auburn, AL

Medical Devices, Consumer & Industrial Products - Usability, Design, IP, Testing

Technical Background in Product Liability, IP Protection, and Technical Case Management. Primary areas: Medical Devices, Usability/Human Factors, and Consumer and Industrial Products.
Seattle, WA

Paul D Hatch, Patent Infringement Expert

I am an industrial designer with 30 years of experience designing and engineering consumer products, power tools, appliances, consumer electronics, industrial & commercial equipment, medical technology, packaging, virtual reality, and brand strategy.
Chicago, IL

Ioannis Kanellakopoulos, PhD

Dr. Kanellakopoulos is an IEEE Fellow, former UCLA Professor, and an industry leader. He provides technology consulting and expert witness services in patent infringement and product liability/personal injury in the automotive and telecommunication areas.
Redwood City, CA

Berg Software Design

Consumer Electronics (patents, trade secrets, IP): flash memory, cell phones, disk, tape, CD, DVD, USB, SCSI. Source code and forensic analysis. Computer software, hardware. Real-time embedded systems. File systems. Device drivers. E-books: Kindle, Nook.
Saratoga, CA

Brad S. Kanter, CPA/CGMA/CFF, CFE, CFI, CVA/MAFF, EA, FCPA, MAC - FAZ Forensics

Broad based financial forensic services that recognize investigating and examining people and money are both an art and a science in any forensic accounting investigation. The application of behavioral credibility analysis delivers on this methodology.
Oldsmar, FL

John A. Williams, PhD, PE, ASA, MBA, CFEI, AIChE Fellow

Engineering analysis, forensic investigations, and IP valuation with 40+ years of experience. Dr. Williams provides expert testimony for energy, chemical, and manufacturing disputes, bridging complex technical and financial issues effectively.
South Bend, IN

Arrowfish Consulting | Economic Damages & Business Valuation Experts

Our national team places over 200 combined years of experience and 19 advanced degrees & credentials at your disposal. Collectively our forensic accountants, forensic economists & consultants have prepared 1,000+ damages and valuation calculations
Salt Lake City, UT

Biomedical Engineering Consultants, LLC

Perform analysis of medical and surgical equipment. Incident investigation, failure investigation, maintenance, labeling, and regulatory compliance. Tech management process improvement. Intellectual property infringement, examination, and review.
Houston, TX

Dr. Joseph S. D’Antoni — Corporate Sciences, Inc.

Economic consulting firm provides expert witness with experience in: antitrust, bankruptcy, intellectual property, environmental, labor & employment, financial institutions, real estate, general commercial disputes and securities.
Pasadena, CA

Ronald A. Bero, Jr., CPA, ABV, CVA, The BERO Group

Accounting, Valuation and Economic Damages CPA (30+ years, approximately 100 testify) forensic investigation and expert witness services in complex commercial litigation, intellectual property, personal injury, new business, shareholder disputes...
Delafield, WI

Barbara Weintraub, D.V.M., J.D.

Veterinary Expert Witness and Attorney, ~40 years veterinary experience, with expertise in Intellectual Property, Unfair Competition, Antitrust, and Criminal Law. Experienced clinician in veterinary hospitals.
Mission Viejo, CA
Areas of Expertise: Animals
Tel: (949) 830-7387
Limited public information. For more, contact us.

Ray Horak — Context Corporation

Provides litigation support as a consulting expert and testifying expert in telecommunications-related cases involving matters such as product/service misrepresentation, intellectual property, breach of contract, and the TCPA (ATDS, fax, text).
Mount Vernon, WA

Medical Device Expert — Dr. Christopher J. Poletto

Biomedical engineer and scientist with 25 years experience in medical device design serves as an expert in patent litigation, with extensive experience in intellectual property searches, preparation, and litigation. Expert in neuromodulation.
North Oaks, MN

Software Expert — Leon A. Kappelman, PhD

Expert in software development, project management, intellectual property, product liability, and technology management, etc. Professor Emeritus, Information Systems.
Dallas, TX

Giora J. Tarnopolsky, D.Sc

Physicist expert in data storage systems, metrology, servo, industrial processes, automotive sensors, trade secrets, patents and IP. Deposed expert witness in hard disk drives, tape and optical recording. Exec. Dir. Research. VP of Technology and IP.
Palo Alto, CA
Areas of Expertise: Intellectual Property
Tel: (650) 424-8111
Limited public information. For more, contact us.

Valuation Expert Economist — Dr. Michael A. Einhorn

Economist expert in the valuation of intellectual property and complex commercial litigation, including media, technology, copyright, patent, trademark, publicity rights, damages, and personal injury. Ph.D. Yale, economics. Former Professor, Rutgers.
Roseland, NJ
Areas of Expertise: Intangible Asset Valuation
Tel: (973) 618-1212
Limited public information. For more, contact us.

Kitch Wilson, Ph.D. technology consultant and expert witness

A technical consultant in system science, applied mathematics, electronics and computer systems to clients of the solar, wind, aerospace, automotive, commercial and medical fields. This includes patents (15+) and intellectual property issues.
Santa Barbara, CA

Brooks Hilliard CMC CCP — Computer System & Software Expert Witness

Brooks Hilliard CMC CCP has testified more than 35 times in state and federal court and arbitrations in cases related to ERP, SCM and CRM implementation and functionality, as well as related software licensing and intellectual property issues.
Phoenix, AZ

Meyer R. Rosen CPC, CChE, CFEI, FRSC, FACFE — Interactive Consulting, Inc.

Expert witness, for plaintiff/defense: product liability, personal injury; accident reconstruction, fires, explosions, hazardous chemicals, toxic exposure, chemical burns, hair relaxers, household and industrial products, intellectual property.
East Norwich, NY

Martin Goffman — Martin Goffman Associates

Provides technical research in intellectual property issues, specializing in patent matters, primarily in the pharmacological, biological, biomedical sciences, medical toxicology, medical devices, and environmental health disciplines.
Nutley, NJ

IP Expert witness

Intellectual property, patents. trade secrets. Electronics, computers, communications, trading systems Expert witness reports, depositions, testimonies, rebuttal reports
Chicago, IL

DisputeSoft

Provides expert witness services in matters related to IT project failure; software intellectual property including patent and copyright infringement and trade secret misappropriation; electronic discovery; and computer forensics.
North Bethesda, MD

Jeffrey H. Kinrich, MBA, CPA, ABV, Managing Principal — Analysis Group

Financial and economic analyst, 30+ years, provides economic damage, business valuation, and accounting expert witness services, specializing in damage quantification and valuation in commercial litigation and intellectual property.
Los Angeles, CA
Areas of Expertise: Accounting & Auditing
Tel: (213) 896-4544
Limited public information. For more, contact us.

Mark A. Robinson, PE, CPA, Patent Agent — KOIOS Consulting Group, LLC

Engineer and CPA, 30+ yr experience as an economic damage expert in patent, trade secret, trademark, copyright, and contract dispute matters, in a broad range of industries.
Brighton, MI

Software Licensing and IT contracts Expert — David Tollen, JD, Ll.M

Expert witness, attorney, author, UC Berkeley lecturer. Software licensing and other information technology contracts – including software-as-a-service (SaaS) agreements, other cloud computing contracts, intellectual property, and data security.
San Francisco, CA
Areas of Expertise: IP License
Tel: (415) 278-0950
Limited public information. For more, contact us.

Gabriele Goldaper & Associates

Fashion/Garment Industry expert, 45+ years as a manufacturer, professor, consultant and key executive for major clothing companies. Designated in 165+ apparel legal disputes, in intellectual property/trademark, copyright, branding and consumer confusion.
Marina Del Rey, CA

Paul A. Tres — ETS Inc.

Expertise in international plastics and automotive industries with intellectual property, patent disputes, product liability, product quality, failure analysis, factor of safety, personal injury cases cases. ets-corpDOTcom
Bloomfield Hills, MI

David Drews, CLP

Financial analyst provides intellectual property valuations and expert opinions involving infringement damages, including damage calculations in trademarks, trade dress, copyrights, patents, trade secrets, rights of publicity and other intangible assets.
San Diego, CA
Areas of Expertise: Intellectual Property
Tel: (858) 223-0432
Limited public information. For more, contact us.

Mousa G. Mitwasi, PhD, MBA — Software Management Solutions

Over 25 years experience analyzing software development projects and functionality. Expertise include software intellectual property, misappropriation, infringement, specifications, subcontracting, and outsourcing.
Lincroft, NJ

Jeffrey Safire, Forensic Expert Witness

I provide expert witness services in software source code comparison, copyright, trade secret & intellectual property litigation for matters related to control software & firmware, including hard drives, printers, medical devices & similar.
Pleasanton, CA

Swailes Computer Forensics & Digital Forensics

Expertise in digital forensics as a locally owned and operated company in Houston, Texas, providing forensic services to attorneys and businesses involving intellectual property theft, trade secret misappropriation and employment related litigation.
Houston, TX

IP Infringement

Physical Security and Intellectual Property Rights Expert witness in IPR investigation, enforcement and violations, as well as public and private facility and infrastructure security, counterterrorism, vulnerability assessments, crisis response, etc. [Non-public Profile Id 53488]
Denver, NC
Areas of Expertise: IP Infringement
Limited public information. For more, contact us.