— Evidence of Use Search & Analysis
Know whether your patents are being used, and build the evidence to act on it.
Our Evidence of Use (EoU) search service delivers structured, defensible claim chart analysis mapping your patent claims to real-world products, processes, and services, so you have the documentation you need to license, enforce, or value your IP with confidence.
— Why it matters
What operating without documented evidence of use actually costs you.
Licensing conversations start from assertion, not evidence.
Without documented claim charts, potential licensees have no reason to engage seriously — and every reason to wait you out.
Enforcement without evidence is expensive and fragile.
Litigation counsel building a case from scratch costs more, takes longer, and carries more risk than one built on a documented prior art record.
Portfolio value goes undocumented and underrealized.
Patents with documented evidence of use in active products command higher licensing fees and stronger valuation multiples — but only if you have the evidence to show it.
— Team Credibility
A team built for this work.
Domain experts, not generalist researchers.
Our analysts bring decades of real-world technical and legal experience to every EoU engagement, including a former USPTO Patent Examiner, a registered US patent agent with Fortune 500 prosecution experience, and senior engineers with deep domain backgrounds across mechanical, chemical, electrical, and software disciplines. That technical fluency shapes how we scope each study, evaluate what is relevant, and build work product that holds up under scrutiny.
— What our editors do
A structured, defensible claim chart study.
Each EoU study delivers a comprehensive claim chart analysis, mapping your patent claim elements to evidence of use found in real-world products, processes, and services. Your deliverable includes:
Claim Charts:
Structured element-by-element mapping of patent claim language to identified evidence, presented in a clear, court-ready format
Evidence Sources:
Supporting documentation drawn from product brochures, website disclosures, technical manuals, standards documents, product teardowns, and competitor patents
Target Product & Assignee Identification:
A documented set of products, services, and organizations identified as potentially using your claimed technology
Scope Documentation:
Clear notation of the claims analyzed, the products and jurisdictions covered, and the methodology used, so you have full visibility into what was searched and why
— How it works
A rigorous process. A trusted partner.
Every engagement is scoped to your claims, products, and objectives.
01
Consultation
Scoping & Alignment
A free scoping call to understand your patent, the claims of interest, the products or companies you want analyzed, and your ultimate objective. Scope, timeline, and quote are established before work begins.
02
Claim Analysis
Element Mapping
Our analysts dissect the patent claims into distinct technical elements and build a targeted search strategy around each one, identifying the product features, technical disclosures, and evidence sources most likely to yield relevant mapping.
03
Evidence Gathering
Multi-Source Research
We conduct targeted research across product brochures, technical manuals, standards documents, product teardowns, and competitor patents to locate and document evidence of use for each claim element under review.
04
Delivery
Claim Chart Report
A structured, confidential claim chart report mapping identified evidence to your patent claim elements, scoped to your needs and delivered on a timeline established at the outset of the engagement.
14K+
Research & analysis searches completed to date
ITAR
Compliant US-based analysts
Every search, every engagement
— our advantage
When to Commission an EoU Study
Patent Licensing & Monetization
Identify products and services in the market that may be using your patented technology and build the claim chart documentation needed to support licensing conversations and royalty negotiations.
Patent Enforcement & Litigation Support
Strengthen your enforcement position with structured, court-ready claim charts that map patent claim elements to real-world product evidence. Give litigating counsel the foundation they need from day one.
Portfolio Valuation
Demonstrate the commercial relevance and market adoption of your patents ahead of a sale, acquisition, or investment discussion. Evidence of actual use is the strongest indicator of patent value.
M&A & Due Diligence
Evaluate the assertion potential of a patent portfolio you are acquiring or investing in. Understanding which claims map to active products materially affects valuation.
Identifying Unknown Licensees
Surface companies, products, and technologies you may not be aware of that are operating in your patent’s space, including non-obvious competitors, universities, and government research entities.
Standards & SEP Analysis
Map patent claims to industry standards and technical specifications to identify potential standard essential patent status or standards-based licensing opportunities.
— Get started
Build the evidence before you need it.
Every engagement begins with a free consultation. We’ll learn about your patent, align on claims and scope, and provide a clear timeline and quote before any work begins.
No commitment required
— Related Services
Freedom to Operate (FTO) Services
Determine whether your product or technology can reach market without infringing active third-party patents across the jurisdictions that matter most.
State of the Art Search Services
Surface the full body of existing knowledge in a technology space — patents, literature, and competitive filings — to inform R&D direction before development begins.
Evidence of Use Services
Map patent claims to real-world products and processes already in market, supporting licensing negotiations, monetization strategy, and enforcement decisions.
Patent Landscape Services
Get a visual, analyst-curated picture of who’s filing in your space, where activity is concentrated, and where competitive whitespace exists.
Patent Invalidity/Validity Search
Challenge or defend the validity of a specific patent with a rigorous prior art search built for IPR proceedings, litigation, and acquisition due diligence.
Patentability Search Services
US-based analysts assess whether your invention is novel and non-obvious before you commit time and budget to prosecution.
