Litigation-Ready Evidence of Use (EoU) & Patent Infringement Claims
Build an unassailable case. TAEUS provides clear, technically precise Evidence of Use charts and infringement analysis to support high-stakes patent litigation and licensing campaigns.
Definitively Prove Infringement with Technical Engineering Evidence
High-stakes patent litigation and assertive licensing require concrete proof. Suspecting a competitor is infringing on your intellectual property isn’t enough—you need verifiable data that connects their product's functionality directly to your patent claims.
For thirty-five+ years, TAEUS has provided comprehensive litigation support for both sides of the aisle. We help patent owners establish rock-solid assertions to pursue damages, and we assist companies in successfully defending against meritless infringement claims using objective, empirical data.
Custom-Tailored EoU Charts and Claim Mapping
We translate complex technical findings into clear, accessible evidence that any judge, jury, or opposing counsel can easily understand. Our engineering team digs into the absolute fundamentals of a product—whether that means analyzing a few critical lines of code or tracing a transistor on a microchip.
Comprehensive Evidence of Use (EoU) Charts
We deliver detailed, color-coded claim charts that map every element of your patent claims directly to the target product's components or processes.
Technical Litigation Support
Our findings are compiled into custom reports designed to serve as the definitive "smoking gun." From initial technical discovery to providing expert witness insights, we support your legal team through every phase of a dispute.
Deep Synergies with Reverse Engineering
An airtight EoU chart relies on flawless technical data. By leveraging our in-house patent reverse engineering services, including hardware teardowns, semiconductor circuit extraction, and software decompilation, we uncover hidden infringement that standard discovery methods miss.
Frequently Asked Questions About Evidence of Use (EoU)
What is an Evidence of Use (EoU) chart?
An Evidence of Use chart is a legal and technical document that maps the specific claims of a patent directly to the features, components, or software code of a competing product to demonstrate clear infringement.
How does technical claim mapping help in assertive licensing?
High-quality claim mapping gives you immediate leverage in licensing negotiations. Presenting a competitor with undeniable technical proof of use drastically increases the likelihood of a successful, out-of-court licensing agreement.
Can your EoU analysis support patent defense?
Absolutely! If your company is facing allegations of infringement, our team can conduct non-infringement analysis and prior art searches to prove your technology does not overlap with the asserted patent claims.
TAEUS Times
Hello from beautiful Colorado Springs, Colorado! As we near the end of summer, we hope you are enjoying fond memories of relaxing vacations and time spent outdoors with your loved ones. TAEUS has had a busy several months. We’ve compiled a selection of our recent and ongoing projects into this new edition of the TAEUS…
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TAEUS Corporation is the world’s first engineering company dedicated to patent licensing, formed originally in July 1992. TAEUS grew organically, helping AT&T identify the best patents obtained in its 1992 NCR purchase. TAEUS served not only AT&T, but all its daughter companies, including Lucent, Avaya, and LSI, for the next two decades. In 1994, TAEUS…
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TAEUS opened TAEUS Europe, Ltd., its first international subsidiary, in 1996 in London, investigating Microsoft for antitrust on behalf of the European Commission, illustrating how the instructions Microsoft provided to users did not reflect how the Windows® operating system and Internet Explorer® actually worked. The European Commission’s €9M contract with TAEUS Europe, Ltd. yielded a…
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The entire world, including TAEUS, was affected by the onset of COVID-19 in various ways that differ from one company to another. Many companies had to adapt to working remotely. TAEUS has been working remotely as a specialized team since its founding in 1992! This advantage allowed TAEUS to continue working while other companies had…
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Many patent owners resort to patent brokerage services because they either don’t utilize their patents, or they lack the financial resources to litigate. TAEUS Corporation has helped patent owners monetize their patents since 1992. The patent sale market has gone dry recently. In 2020, the actual patent sales by market year of sale dropped to…
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Some years ago, TAEUS Europe Ltd. won a €9 million European Commission (EC) competitive tender for assistance with their antitrust investigation of Microsoft. The EC was responding to complaints from Microsoft competitors that believed that Microsoft was blocking them from making products compatible with its Internet Explorer™ internet browser and Microsoft Windows™ operating system. …
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Since the very first patent was issued in the 14th century, intellectual property and intellectual property protection practices are still very relevant in today’s world, despite significant changes. New inventions and innovations are critical to societal progress, for without them, society would become stagnant and forward progression would cease. TAEUS is committed to adapting to…
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For Immediate Release June 4, 2018 Colorado Springs, Colorado PatentBooks Inc. (patentbooksinc.com) is pleased to announce an invitation-only Early Adopter Roundtable for the Geolocation & Autonomy PatentBook occurring on-line June 14, 2018 @ 0800 Mountain Daylight Time (MDT=GMT-7), 10 AM EDT. The Early Adopter Roundtable invitation is extended to the world’s top companies that own US patents and/or…
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Prior art searching is often times a dull, uninteresting affair that is done on a computer searching electronic records. Electronic database searching has its place but it often times does not yield the information needed to invalidate a patent. Here is a true story about a prior art search TAEUS did to invalidate a Japanese…
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It’s high time we fixed patent licensing in the United States of America, setting the example for the rest of the world. Patent rights are the most fundamental property rights in society. One must be able to own and profit from one’s own ideas. Obtaining a patent is both challenging and expensive. When one finally…
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