Home / Evidence of Use (EoU)/Claim Chart
Evidence of Use Search Services to Unlock Licensing Opportunities
Support your patent enforcement strategy with our evidence of use (EOU) report services. We provide precise EOU claim analysis, comprehensive IP claim charts, and detailed patent claim evidence to help identify infringement scenarios. Our team documents use cases and provides actionable insights for inventors, attorneys, and businesses. With clear, accurate, and submission-ready use case documentation, you can strengthen litigation, licensing, or enforcement strategies, ensuring your intellectual property rights are protected effectively and efficiently.
When do you need?
- Patent licensing
- Patent sales
- Proving an act of Patent Infringement
- Damage calculations based on sales of infringing products
- Assuring the infringement before proceeding with any legal activity
- Filing patent infringement complaint
- Proving infringement in the court, and
- Other critical decision makings
Detailed patent claim charts that are quick and cost-effective.
Detailed patent claim charts that are quick and cost-effective.
Why Choose Sagacious for Evidence of Use (EoU)/Claim Chart?
- Subject matter experts involved in EoU generation
- Different levels of EoU based on requirement (from litigation ready chart to two-pager EoU to assess infringement)
- EoUs with appropriate claim construction
- Diverse scope of the claims - applications in alternate/secondary markets
- Access to commercial knowledge bases for references, IEEE scholars, etc.
- Reverse engineering capabilities and partnerships to improve claim charts

Impact Stories
Impact Story 1
A US based licensing firm used our EoU service to generate claim charts for European patents related to telecommunication and networking. Over 50 claim charts were prepared showing the claimed features in the specification and the use of these standards by different telecommunication service providers and network equipment manufacturers. A licensing program in Europe was started based on the strong infringement charts.
Impact Story 2
When a leading US based IP Licensing firm was looking to start a licensing campaign against a Japanese multinational automotive manufacturer, they chose Sagacious IP. As part of the project, we developed over 40 claim charts.
FAQs
Evidence of Use (EOU) claim chart maps patent claims against real-world products or processes. It is important for IP management as it demonstrates infringement or licensing potential, helping businesses enforce rights, negotiate deals, and maximize the commercial value of their intellectual property portfolios effectively
EOU claim charts benefit companies by identifying infringing products, supporting litigation, and strengthening licensing negotiations. They provide clear, structured proof of use, enabling businesses to protect assets, generate revenue through licensing, and strategically leverage patents for partnerships, settlements, or monetization opportunities across industries and jurisdictions.
Yes, our EOU claim chart services cover global jurisdictions including the US, Europe, and Asia, across industries such as telecom, software, pharmaceuticals, and consumer goods. We deliver accurate, detailed charts tailored to business needs, enabling effective enforcement and monetization of intellectual property worldwide.
The process involves analyzing patents, reviewing product documentation, and mapping claims to features. Reports present structured evidence for legal or business use. Timelines vary from 1\u20133 weeks depending on complexity, ensuring businesses receive actionable, reliable insights to enforce or monetize intellectual property effectively.
Yes, EOU claim charts can be customized for specific technologies, industries, or enforcement strategies. Whether focusing on telecom, biotech, or consumer products, we tailor scope and detail. This ensures businesses receive highly relevant, accurate, and actionable reports aligned with their intellectual property and commercialization goals.
Testimonials
Licensing & Monetization Support Services for Patent Owners
At Sagacious IP, we not only understand how crucial the Evidence of Use (EoU) chart can be for patent professionals, but also the consequences of generating a misleading EoU chart.
