Patent Insights: SEP Analysis & IP Litigation Strategy

You have completed a patent invalidity search, but none of the results clearly challenges the claims. Should you stop searching? Does this mean the patent is valid? An inconclusive search does not prove validity. It means the search has not found strong evidence within the scope reviewed. The next step is to understand what was searched, where the evidence falls short, and whether a more focused review is worthwhile. Here is a practical way to move forward. 1. Identify What Is Missing Start with the closest references in your patent invalidity search report. Compare them against each requirement of the claims being challenged. Is the missing detail a component, a sequence of steps, or a relationship between features? For example, an earlier document may describe the same equipment but not the specific control sequence required by the claim. That sequence becomes the focus of the next search. Claim mapping for invalidity helps turn a broad search problem into a clear technical questio...

Patent disputes can be costly and complex. Whether a business is defending an infringement claim or preparing to enforce a patent, the available evidence can influence the case. A detailed prior art search is an important step in building an informed litigation strategy. Understanding Prior Art Prior art is any publicly available information that existed before the relevant filing or priority date of a patent. It may show that an invention, or an important part of it, was already known. Prior art can include patents, research papers, technical journals, conference materials, product manuals, catalogues, industry standards, and archived web pages. Because evidence can appear in many forms and countries, searching one database may not provide a complete picture. How Prior Art Supports Patent Litigation When a company is accused of patent infringement, the first question is often whether the asserted patent claims are valid. A patent invalidity search helps identify earlier documents th...