Walburn v. Lockheed Martin Corp.’s Empirical Analysis
431 F.3d 966 · 2005
Citation profile
15 federal appellate · 11 district · 1 state decisions
How this case has been cited
Cited by 61 later decisions — most recently February 2025 · most notably United States v. Community Health Systems, Inc. (2007), Unites States ex rel. Poteet v. Medtronic, Inc. (2009)
15 federal appellate · 11 district · 1 state decisions
Later decisions citing this case, by decade. The current decade is in progress, and our corpus holds fewer opinions from the most recent years, so the latest bars are undercounted — not a real decline.
Relationships
Applies 28 U.S.C. § 1291 · 31 U.S.C. § 3729 (False Claims Act) · 31 U.S.C. § 3730 (False Claims Act) · 42 U.S.C. § 2297
Relies on United States Marcus v. Hess · Vermont Agency of Natural Resources v. United States Ex Rel. Stevens · United States ex rel. Springfield Terminal Railway Co. v. Quinn · Coffey v. Foamex L.P. · Yuhasz v. Brush Wellman, Inc.
Most-quoted passages
The sentences later courts lift from this opinion, ranked by how many decisions quote each — the parts of the opinion doing the work. These counts are smaller than the citation total above because most of the 61 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“No court shall have jurisdiction over an action under this section based upon the public disclosure of allegations or transactions in a criminal, civil, or administrative hearing, in a congressional, administrative, or Government Accounting Office report, hearing, audit, or investigation, or from the news media, unless the action is brought by the Attorney General or the person bringing the action is an original source of the information.”
6 later decisions quote this exact passage · from the majority“(1) knowingly presents, or causes to be presented, to an officer or employee of the United States Government or a member of the Armed Forces of the United States a false or fraudulent claim for payment or approval; (2) knowingly makes, uses, or causes to be made or used, a false record or statement to get a false or fraudulent claim paid or approved by the Government; (3) conspires to defraud the Government by getting a false or fraudulent claim allowed or paid; ... is liable to the United States Government for a civil penalty....”
2 later decisions quote this exact passage · from the majority“a plaintiff, at a minimum, must `allege the time, place, and content of the alleged misrepresentation on which he or she relied; the fraudulent scheme; the fraudulent intent of the defendants; and the injury resulting from the fraud.'”
2 later decisions quote this exact passage · from the majority
How this case has been treated — in progress
Whether each later court followed, distinguished, criticized, or overruled this decision. The treatment classification (task #35) runs highest-cited cases first and lights up here as it reaches this one.