Firm News

Constantine Cannon LLP and Partners Ankur Kapoor and Gordon Schnell Named in Chambers USA 2026 Guide

By Constantine Cannon LLP Constantine Cannon LLP is delighted to announce our ranking as a Leading Firm in the Chambers and Partners USA Guide, 2026. The departments we were featured in this year include Antitrust: Mainly Plaintiff, New York and False Claims Act: Plaintiff, USA-Nationwide.[1] For more than 30 years, Chambers and Partners have provided legal rankings and insights. Chambers’ process identifies...

Constantine Cannon Filed Amicus Brief on Behalf of Six Professors of Economics Supporting FTC’s Appeal in Case Against Meta

By the Constantine Cannon Antitrust Team In the FTC's appeal of the trial court's judgment for Meta Platforms, Ankur Kapoor and Ethan Litwin submitted an amicus brief on behalf of six professors of economics—Steve Salop at Georgetown, Allan Collard-Wexler at Duke, Florian Ederer at Boston U., Marty Gaynor at Carnegie Mellon, Nancy Rose at MIT, and Larry White at NYU—addressing the court's errors in antitrust...

Constantine Cannon Files Amicus Brief Supporting Anthropic in AI Copyright Case

By the Constantine Cannon Antitrust Team On April 27, 2026, Constantine Cannon partner Seth Greenstein filed an amicus brief[1] on behalf of technology innovation advocacy groups Chamber of Progress[2] and Engine Advocacy[3] in support of leading AI developer Anthropic PBC in a copyright suit brought by major music publishers.  The case, Concord Music Group, Inc. v. Anthropic PBC, Case 5:24-cv-03811-EKL, alleges...

Constantine Cannon Wins Summary Judgment, then $14 Million Settlement for HDMI Licensing Administrator Inc. in License and Antitrust Dispute

By the Constantine Cannon Antitrust Team Constantine Cannon successfully defended the licensor of the HDMI interface technology, HDMI Licensing Administrator, Inc. (“HDMI LA”), against a challenge under U.S. antitrust law to their licensing program, and won a $14 million settlement for breach of contract against semiconductor chip manufacturer, Availink, Inc.

Victory on Summary Judgment on Three Key Issues

On...

Constantine Cannon Partner Marlene Koury Featured in Law360 on How FinCEN’s Record $80M Fine Paves the Way for FinCEN Whistleblower Awards

By the Constantine Cannon Whistleblower Team On April 21, Constantine Cannon Partner Marlene Koury shared an Expert Analysis in a Law360 article titled “Record Penalty Sets Stage For FinCEN Whistleblower Awards.” Koury analyzed the importance of Financial Crimes Enforcement Network (FinCEN)’s proposed rule to launch monetary awards under its whistleblower program, enhancing enforcement of the Bank Secrecy...

Three Constantine Cannon Partners Named in The 2026 Lawdragon 500 Leading Plaintiff Financial Lawyers Guide

By the Constantine Cannon Whistleblower and Antitrust Teams Constantine Cannon is delighted to announce that three of our firm’s partners, Jean Kim, Marlene Koury, and Taline Sahakian, were selected for The 2026 Lawdragon 500 Leading Plaintiff Financial Lawyers guide.[1] The 500 Leading Plaintiff Financial Lawyers on this year’s list were chosen through submissions, editorial vetting from peers, and...

DOJ Settles Constantine Cannon Whistleblower Client's False Claims Act Allegations of Incentive Compensation Ban Violations

By the Constantine Cannon Whistleblower Team Last Tuesday (February 24), the Department of Justice (DOJ) announced that Massachusetts-based Study Across the Pond (SATP) and its principal John Borhaug agreed to pay $1.3 million to settle allegations they violated the False Claims Act through improper recruiting practices of U.S. students for study abroad.[1]  Constantine Cannon -- co-counseling with Whistleblower...

Kaiser Pays Record $556M to Settle Medicare Advantage False Claims Act Case -- Constantine Cannon Represented One of the Originating Whistleblowers

By the Constantine Cannon Whistleblower Team Last Wednesday (January 14), the Department of Justice (DOJ) announced that several affiliates of Oakland-based Kaiser Permanente agreed to pay $556 million to settle allegations they violated the False Claims Act by submitting invalid diagnosis codes for their Medicare Advantage patients to secure inflated payments from the Government.[1] It is the largest False...

Constantine Cannon Partner Gordon Schnell Quoted in Bloomberg and Law360 On Zafirov Appeal of False Claims Act Constitutionality

By the Constantine Cannon Whistleblower Team Last Friday, the Eleventh Circuit Court of Appeals held argument on the Constitutionality of the whistleblower (or qui tam) provisions of the False Claims Act.  These are the provisions of the Civil War era statute that authorizes private parties to bring lawsuits on behalf of the Government against those that defraud the Government.  Over the past few decades, the...