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Expert Witnesses & Forensic Consultants Directory

Intellectual Property — California

Intellectual property California 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 California 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 California expert witnesses may testify regarding trade secrets, confidential information, software copyrights and royalties, authors and inventors, IP holders and related matters.
 
About 57 results (0.10 seconds) — Results include first those located in the region, then those who serve in the region.

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

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

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

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

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

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

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.

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.

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

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.

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

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.

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

Eric Robi — Elluma Discovery

Provides electronic discovery, computer forensic and digital evidence services in criminal and civil matters, including employment, intellectual property, securities and FINRA, and document authentication services in litigation.
Los Angeles, CA
Areas of Expertise: Computer & Digital Forensics; Digital Forensics
Tel: (310) 616-0200
Limited public information. For more, contact us.

Jeffrey T. Gotro, PhD — InnoCentrix, LLC

Polymer/plastics expert, 40 yr experience in polymers used in various applications including thermosets and thermoplastics, expert witness in polymer-related product liability cases and intellectual property (patent) litigation. Regions: All United States
Rancho Santa Margarita, CA

Mark C. Higgins, ASA, President — Higgins, Marcus & Lovett, Inc.

Certified Appraiser provides litigation support and expert testimony in matters involving business valuation, economic damages, intellectual property, loss of business goodwill and lost profits.
Los Angeles, CA
Areas of Expertise: Business Valuation
Tel: (213) 617-7775
Limited public information. For more, contact us.

IT/Cybersecurity Expert Witness — John Horst, CISSP®-ISSAP®

Information technology/expert witness provides support in discovery demands and interrogatories, and data analysis, experienced in network breaches and intellectual property claims, cybersecurity engineering, software development, installation, training.
San Diego, CA

Scott O. Ganaja, PE

Scott Ganaja specializes in the design and manufacture of bicycles and e-bikes, exercise and medical equipment. He is experienced in matters involving products liability and intellectual property. Licensed Professional Mechanical Engineer.
San Luis Obispo, CA
Areas of Expertise: Bicycles & E-Scooters
Tel: (805) 541-0511
Limited public information. For more, contact us.

Gerald Bybee

Expert witness and consultant in matters related to professional photography, digital imaging, forensic imaging, intellectual property, meta data, image quality, valuation of images, PhotoShop & imaging applications.
Montara, CA
Areas of Expertise: IP License
Tel: (707) 849-7652
Limited public information. For more, contact us.

Forensics International

Professor Emeritus with over 30 years of experience as an expert witness and forensic examiner in over 700 cases related to traffic accidents, product liability, fire cause and origin involving Automobiles, Trucks, Motorcycles, ATVs, ATC’s Motor Homes
La Quinta, CA

Christopher K. Wilson

Vehicle safety, sensors and systems consultant specializing in intellectual property and accident reconstruction. I provide reports and testimony related to advanced vehicle systems and their development and use.
Redwood City, CA

Robert R. Trout, PhD, CFA — Lit.Econ LLP

Financial economist, 40+ yr, provides economic, financial and statistical services in litigation, including cases in: intellectual property, employment discrimination, antitrust economics, business interruption, and personal injury damages.
Cardiff, CA

Kevin (KJ) Greene, John J. Schumacher Chair Professor of Law, Southwestern Law

Intellectual Property Expert Witness, Yale Law School graduate, tenured law professor teaching, researching and writing in Copyright, Trademark, Idea Misappropriation, Rights of Publicity and Entertainment Law Contracts, Music Law, Motion Picture Law.
San Diego, CA
Areas of Expertise: Copyright
Tel: (858) 699-0213
Limited public information. For more, contact us.

Electrical Engineering

Analog, Mixed-Signal, RFIC PLL and VCO Opto-electronic communications SiGe Bicmos and CMOS Intellectual property Patent and prior art search Expert Witness [Non-public Profile Id 56671]
Carlsbad, CA
Areas of Expertise: Electrical Engineering
Limited public information. For more, contact us.

Dr. Jules H. Kamin — ValuEconomics, Inc.

Provides expert opinions on economic damages, valuation of businesses and other economic and financial issues, including intellectual property, securities, antitrust, personal injury, wrongful termination or wrongful death.
Los Angeles, CA
Areas of Expertise: Economic Damages
Tel: (323) 653-9555
Limited public information. For more, contact us.

Professor Ellis Horowitz, PhD — University of Southern California

Professor of Computer Science provides expert witness services in software development, internet and world wide web applications, with specific expertise in search engine algorithms, and experience in patent and copyright infringement matters
Pacific Palisades, CA
Areas of Expertise: Intellectual Property
Tel: 3109410620
Limited public information. For more, contact us.

Stuart Soffer

Intellectual Property Expert Witness on issues relating to Computer Science and software-related litigation, including software code analysis, in patent and copyright infringement, digital rights management, trade secrets, and contractual compliance.
Menlo Park, CA

IP Damages Expert — Doug Bania

Intellectual property consultant provides IP valuations and damage calculations for copyright, trademark and publicity rights infringement, as well as opinions in social media and Internet disputes, defamation and royalty rate determinations.
San Diego, CA
Areas of Expertise: IP Infringement
Tel: (858) 255-4361
Limited public information. For more, contact us.

Software

Computer science/engineering and software engineering intellectual property expert in mobile devices, networks, wireless technologies. Professor, Dept. of Computer Engineering and Director of the Cybersecurity + Big Data Initiative, San Jose State Univ. [Non-public Profile Id 58130]
Menlo Park, CA
Areas of Expertise: Software
Limited public information. For more, contact us.

Manfred E. Wolff, PhD, FAAPS — Intellepharm, Inc.

Registered patent agent, registered pharmacist, former UCSF Professor, and former VP of Research, Allergan provides pharmacology, toxicology, drug discovery, and intellectual property expert witness services, including patent and copyright preparation
Laguna Beach, CA

Vanita Spaulding, CFA, ASA — SingerLewak

Business Valuation Specialist, 35+ yr, as well as a chartered financial analyst and accredited senior appraiser, experienced in intellectual property analyses, allocation of purchase price and impairment testing, common stock valuation, etc.
Woodland Hills, CA

Alan G. Goedde, PhD

Financial and economic analyses expert, incl. intellectual property issues, patent, trademark, copyright, trade secret and unfair competition matters, as well as business valuations, antitrust, price fixing, lost profits. B.S. engineering; Ph.D. economics
Los Angeles, CA
Areas of Expertise: Forensic Economics
Tel: (213) 576-1815
Limited public information. For more, contact us.

David W. Stewart — President’s Professor of Marketing and Law, Loyola Marymount

Professor of Marketing, former Dean, with broad private sector experience, acts as an expert witness in matters of: intellectual property; deceptive advert; branding marketing strategy; market analysis; consumer behavior; marketing communications; surveys
Los Angeles, CA

GHB Intellect: Technology & Science Experts

Under the leadership of Dr. Ghobad Heidari and with a cadre of hundreds deep-domain experts in technology and sciences, GHB Intellect is a comprehensive intellectual property service provider (claim charts, expert reports, testimony, etc.).
San Diego, CA

Jeff Anderson, MBA, CLP — CONSOR®

Intellectual property expert witness: trademark, patent, database, right of publicity (ROP), copyright, and website valuation. Valuation for litigation, license structuring and negotiation, estate valuation, valuation in expropriation, foreign markets.
La Jolla, CA

Dhaval J. Brahmbhatt, MSc, MSEE — PHYchip Corporation

Expert Witness specializing in analog/digital & memory chips, flash memory chips & various kinds of modules/sub-system at Federal Courts, ITC, State Courts. Also can find & place experts for IP Litigation in ALL major technologies across U.S.
San Jose, CA

Bruce Isaacson, DBA, MBA — MMR Strategy Group

Marketing and branding expert providing survey research, expert testimony and rebuttals for intellectual property litigation. Our studies measure issues such as confusion, infringement, secondary meaning, false advertising and damage assessment.
Encino, CA
Areas of Expertise: IP Infringement
Tel: (818) 464-2414
Limited public information. For more, contact us.

Robert A. Sherwin, JD, CPA — Analysis Group/Economics

Applied microeconomics and finance specialist provides expert witness testimony in antitrust, tax, regulatory, intellectual property infringement, securities fraud, valuations, capital adequacy, commercial damage matters and related matters
Los Angeles, CA
Areas of Expertise: Antitrust
Tel: (213) 896-4525
Limited public information. For more, contact us.

Clive H. Burton, PhD

Physicist, 30+ years, experienced in government and international corporate research and development, product development and production support, acts as technology expert witness in technical, intellectual property and manufacturing safety matters.
Novato, CA

Weston Anson — Consor

Intellectual property consultant provides legal IP valuations of patents, trademarks, copyrights, trade secrets, celebrity rights, and technology, as well as litigation support and expert witness testimony, licensing and leveraging support, etc.
La Jolla, CA
Areas of Expertise: Intellectual Property
Tel: (858) 454-9091
Limited public information. For more, contact us.

Jack Goldberg — Metrionix, Inc.

Electrical Engineer and Computer Scientist provides laboratory and expert witness services related to medical instruments, electronic devices, audio, acoustics, and signal processing. Experienced in patent litigation, trade secret, product liability, etc
San Diego, CA
Areas of Expertise: Intellectual Property
Tel: (858) 564-8550
Limited public information. For more, contact us.

Professor Homayoon Kazerooni, PhD

Professor in mechanical engineering, Univ. of California, Berkeley, provides expert witness services in robotics, product design, control sciences and human-machine systems. extensive experience on intellectual property and product liability
Berkeley, CA
Areas of Expertise: Robotics
Tel: (510) 332-7058
Limited public information. For more, contact us.

Dean Noble, DSc — Pacific Business Software, Inc.

Computer systems, planning, implementing and testing expert (40+ yr) provides litigation support in matters related to forensic computer evidence, wireless technology and telecommunications, patent infringement, intellectual property, web enabled software
Foster City, CA
Areas of Expertise: Computer & Digital Forensics; Digital Forensics
Tel: (650) 572-1616
Limited public information. For more, contact us.

David L. Adler, PhD

Electrical Engineer expert witness in electronics, experienced in semiconductor and advanced imaging industries, experienced in intellectual property litigation: patent infringement and validity, trade secrets, etc. Consulting Professor, Stanford Univ.
San Jose, CA
Areas of Expertise: Electrical Engineering
Tel: (408) 230-7164
Limited public information. For more, contact us.

Ed Campbell, CPP — GE Campbell & Associates

Blow molding, packaging and packaging machinery expert witness and technical consultant, experienced in issues of personal injury and death, intellectual property and patent infringement in related technologies. Experienced in accident reconstruction.
Ventura, CA
Areas of Expertise: Patents
Tel: (805) 276-0329
Limited public information. For more, contact us.

Gary Greenfield Litigation Cost Management

Expert legal fee auditing and analysis, for clients and law firms, in fee-shifting, common fund cases, fee disputes, coverage cases and other types of litigation and arbitration, including patent and other intellectual property, bankruptcy and insurance
Oakland, CA
Areas of Expertise: Legal Malpractice
Tel: (510) 834-1555
Limited public information. For more, contact us.

Kendyl A Roman BS — MediaFrame, Inc.

Computer scientist provides forensic evaluations and litigation support in matters involving: intellectual property (patents, copyright, trade secret, trademark and trade dress), data recovery/analysis, internet technology, digital video and photos,
Sunnyvale, CA
Areas of Expertise: Intellectual Property
Tel: (408) 739-9517
Limited public information. For more, contact us.

Stefano Vranca, CFE

Senior Managing Director with 20+ years experience in fraud and forensic investigations, forensic accounting, corporate malpractice, intellectual property, breach of contracts, commercial damages, lost profit analysis, etc.
Los Angeles, CA
Areas of Expertise: Forensic Accounting
Tel: (213) 670-3283
Limited public information. For more, contact us.