Duane Morris LLP

Partner

David J. Wolfsohn is a nationally renowned intellectual property trial lawyer who has tried dozens of cases to verdict and argued numerous appeals. A Fellow of the American College of Trial Lawyers, he has been described by clients in Chambers USA as a "phenomenal litigator" with a "wonderful combination of technical knowledge and ability to connect with a jury and clients” and "very smart and aggressive in the courtroom." In 2020, Mr. Wolfsohn was named Philadelphia Lawyer of the Year in trademark litigation by Best Lawyers in America, and in 2012, he received the same award for copyright litigation. Among the jury verdicts he has obtained is a defense verdict for the H.J. Heinz Company over the idea for the Dip and Squeeze and the largest indirect-profits copyright award in The Graham Company v. USI MidAtlantic.