Expert Witness Services.
When you need credible, authoritative testimony on patent searching and patent information, Dominic DeMarco brings nearly three decades of experience to the stand.
Meet Your Expert:
Dominic DeMarco.
Dominic DeMarco is a leading authority in patent information and patent searching. A professional patent searcher since 1997, Dominic has spent his career mastering search techniques from the ground up. He has since become a modern patent database and information specialist, an industry educator, and a trusted resource for attorneys who need expert testimony that holds up under cross-examination.
CREDENTIALS
Why Dominic DeMarco.
Expert witness credibility comes down to experience, depth of knowledge, and the ability to communicate complex technical concepts clearly. Dominic brings all three.
AREAS OF EXPERTISE
Testimony Topics.
Dominic DeMarco provides expert testimony and consulting on a range of topics related to patent searching, patent information, and search methodology. Whether the question is about what a reasonable search should have uncovered, the capabilities and limitations of patent databases, or the standard of care in professional patent searching, Dominic has the experience and credibility to support your case.
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Expert testimony on professional patent search practices — including what constitutes a thorough and reasonable search, how classification-based and keyword strategies are developed, and how experienced searchers make strategic decisions during a search.
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Testimony on the capabilities, coverage gaps, and known limitations of major patent search systems — including USPTO internal tools, commercial databases, and free resources — and how those limitations can affect search outcomes.
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Analysis and testimony on whether a prior art search was conducted to a professional standard, whether relevant art was reasonably discoverable, and whether the search methodology employed was appropriate for the engagement.
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Expert insight into how patent examiners conduct prior art searches, what tools and processes they use, and where gaps in the examination process can result in relevant prior art being missed.
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Testimony on the preparation and interpretation of search disclosure reports, including methodology documentation and the standards for transparent, reproducible patent searching.
About Dominic.
Dominic DeMarco has been a professional patent searcher since 1997. He started his career in the late 1990s, transitioned into a modern patent database and information specialist, and built DeMarco IP into a trusted name in patent research. He teaches patent search courses for corporate teams and the international patent information community, and is regularly invited to evaluate patent search systems and methodologies, including for the USPTO. When attorneys need an expert who can explain patent searching with authority and clarity, Dominic is the call they make.
HOW IT WORKS
Engagement Process.
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STEP #1 - Case Review & Consultation
You share the relevant case details, the issues at hand, and the specific topics you need expert support on. Dominic reviews the materials and provides an initial assessment of how he can contribute — whether that's a written report, a deposition, or trial testimony.
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STEP #2 - Analysis & Report Preparation
Dominic conducts a thorough analysis of the search methodology, prior art, or patent information issues relevant to your case. He prepares a detailed expert report documenting his findings, opinions, and the basis for each conclusion.
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STEP #3 - Testimony & Support
Dominic provides clear, confident testimony — whether in deposition, at trial, or before the PTAB. He is available throughout the engagement for follow-up questions, supplemental analysis, and trial preparation support.
Frequently Asked Questions.
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Dominic provides expert testimony on patent search methodology, database capabilities and limitations, prior art sufficiency, USPTO examination practices, and search disclosure documentation. His testimony covers both the technical and procedural aspects of professional patent searching.
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Dominic has been a professional patent searcher since 1997. He became a modern database and information specialist, teaches search courses for corporate teams and the PIUG trade group, and is regularly invited to conduct gap analysis classes on patent search systems, including for the USPTO..
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Dominic has provided expert consulting and testimony in patent-related matters. For specific details on his experience and engagement history, please contact us directly.
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Yes. Dominic's expertise in patent search methodology and USPTO examination practices makes him well-suited to support inter partes review proceedings and other matters before the Patent Trial and Appeal Board.
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A typical engagement begins with a case review and consultation, followed by analysis and expert report preparation, and then testimony as needed — whether in deposition, at trial, or before the PTAB. Dominic is available throughout the process for ongoing support.
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The earlier the better. Engaging Dominic early in a case allows him to review the full body of evidence, identify strengths and weaknesses in the opposing side's search methodology, and prepare the most thorough expert report possible.
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Absolutely. Not every engagement leads to testimony. Dominic is available for consulting engagements where he provides analysis, opinions, and strategic guidance behind the scenes — without being formally designated as a testifying expert.
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Reach out to us with a brief description of your case and the issues you need expert support on. Dominic will review the details and schedule an initial consultation to discuss how he can help.
READY TO BEGIN?
Engage Our Expert.
Contact us today to discuss your case and schedule a consultation with Dominic DeMarco.