Lerner David Ranks #6 in Juristat’s Top Patent Firms Juristat's annual Top Patent Firms rankings are out and Lerner David, intellectual property law firm, ranked #6 in TC 3700. Juristat’s rankings are based solely on performance metrics in each tech center to find the best of the best within each particular area. Their database of more than 10 million pending, abandoned, and granted patent applications allows them to objectively analyze the performance of every law firm practicing within the USPTO.