1. Home
  2. |Insights
  3. |Defective Complaint Can Still Have Preclusive Effect Under FCA's First-to-File Bar

Defective Complaint Can Still Have Preclusive Effect Under FCA's First-to-File Bar

Client Alert | 1 min read | 06.12.13

In U.S. ex rel. Heineman-Guta v. Guidant Corp. (May 31, 2013), the First Circuit weighed in on a jurisprudential split over the FCA's first-to-file bar between courts that hold that the earlier-filed complaint must meet Rule 9(b)'s particularity requirement for pleading fraud in order to have preclusive effect and those that do not. Affirming the dismissal of the relator's claims, the First Circuit joined the D.C. Circuit and other district courts in rejecting the application of Rule 9(b) to the first-to-file bar and holding that dismissal is appropriate so long as the earlier complaint put the government on sufficient notice to initiate an investigation into the alleged fraud. 


Insights

Client Alert | 3 min read | 11.13.26

Massachusetts Trade Secret Preliminary Injunctions: Prove the Harm, Tailor the Relief

A strong trade secret claim is not a substitute for proof of irreparable harm. In Daikin Applied Americas Inc. v. Russo, No. SJC-13881 (Mass. Oct. 14, 2026), the Massachusetts Supreme Judicial Court held that likely success on a misappropriation claim does not create a presumption of irreparable harm. The court grounded its ruling in both the Massachusetts Uniform Trade Secrets Act and the traditional equitable principles the statute incorporates. It required a case-specific showing that the requested relief would prevent harm that a final judgment could not adequately remedy. ...