A variety of secondary sources are available to assist the litigator, including
and more. Some of these publications are topic or jurisdiction specific. Commercial research tools also provide platforms for researching people (expert witnesses, opposing counsel, judges, etc.) and business entities (potential clients, opposing parties, see below).
In recent years, many legal technology vendors have adopted technologies that analyze data regarding litigation outcomes and use artificial intelligence to analyze text in judicial opinions and court filings. Examples include standalone products such as CaseText, which analyzes text in uploaded briefs and compares it to text in a database of judicial opinions, and products embedded in other platforms such as Lexis Context, and Litigation Analytics in Westlaw and in Bloomberg. These tools likely will evolve in the coming years, and you may wish to supplement your existing research with them. Know, however, that this technology remains in its infancy and the data available to vendors is often quite incomplete, so proceed with caution!