An infringement expert report for use in a patent lawsuit describing the expert's background and qualifications, the asserted patent and relevant technology, and applicable legal standards. This Standard Document also addresses claims of direct literal infringement, infringement under the doctrine of equivalents, divided infringement, induced infringement, and contributory infringement. It also contains optional language describing commercial embodiments and technical issues supporting the opinions of the patent owner's damages expert. This Standard Document has integrated drafting notes with important explanations and drafting tips.