Kellogg Hansen Todd Figel & Frederick is a mid-sized trial and appellate powerhouse firm headquartered in downtown DC. Aaron Panner is an antitrust authority who frequently appears before the US Supreme Court and appellate courts around the country. Peers celebrate Panner’s courtroom efforts, stating, “One guy who is just amazing is Aaron Panner at Kellogg Huber. He specializes in antitrust. [He] Clerked on the [Supreme Court]” adding, “He is truly one of the most amazing litigators I’ve come across. His mind is unbelievable. He would be on the top of my list. I refer him to my own clients and they’re always happy. That guy, boy, just a dynamo!” Seasoned litigator and name partner Mark Hansen obtained some of the largest judgments in antitrust and unfair trade practice cases in recent history. Hansen continued his success when a federal judge threw out the FTC’s antitrust lawsuit against client Facebook in June 2021. The case is pending after the FTC opted to try again its antitrust lawsuit with an amended complaint. Competitors also sing Hansen’s praises, declaring “He is low-key and humble so, it’s hard to even see him as the big dog that he is. He is one of the Top 5 trial lawyers in the US.” Founding and managing partner Michael Kellogg has built a reputable practice dedicated to appellate, regulatory, and antitrust issues. He has briefed and argued numerous cases before the United States Supreme Court. Steven Benz represents corporations as plaintiffs in antitrust, unfair competition, class action, and complex commercial cases. Benz is active as a member of the lead counsel team representing software supplier Veeva, which stands accused of stealing medical data belonging to IQVIA. Trial lawyer Andrew Shen has successfully represented clients at the trial and appellate levels in a range of areas and industries. Clients include anywhere from Fortune 200 companies and institutional investors to whistleblowers. Shen filed a notice of appearance on behalf of the Saudi Crown Prince before the District of DC in March 2021 in a federal lawsuit initiated by the pro-democracy group of murdered journalist Jamal Khashoggi. Appellate authority David Frederick is active in defense of Royal Dutch Shell against climate liability lawsuits. Frederick is also renowned for his advocacy in suits against the NFL on behalf of former players who suffered concussions and their families, as well as for his success last year in an antitrust case that allowed iPhone owners to sue Apple.
