Celotex Corp. v. Catrett

Holding that a movant's summary judgment motion should be granted "against a [nonmovant] who fails to make a showing sufficient to establish the existence of an element essential to that party's case, and on which that party will bear the burden of proof at trial"

Rockwell Int'l Corp. et al. v. United States

Holding that the term "allegations" as used in § 3730(e) "is not limited to the allegations in the original complaint" and "includes (at a minimum) the allegations in the original complaint as amended"

Personnel Administrator of Mass. v. Feeney

Holding that the Equal Protection Clause is implicated only when "a state legislatur[e] selected or reaffirmed a particular course of action at least in part `because of,' not merely `in spite of,' its adverse effects upon an identifiable group"

Heckler v. Community Health Services

Holding that a Medicare provider was responsible for familiarizing itself with the legal requirements of cost reimbursement and obtaining an agency interpretation of the applicable regulations

Hickson Corp. v. Northern Crossarm Co., Inc.

Finding that the district court's inadvertent disregard of consumer survey research required vacatur of summary judgment against seller on his claim alleging false advertising in violation of the Lanham Act and noting that "consumer survey research often is a key part of a Lanham Act claim alleging that an advertisement is misleading or deceptive"

Zivkovic v. Southern California Edison Co.

Holding that "[a]n employee is not required to use any particular language when requesting an accommodation but need only inform the employer of the need for an adjustment due to a medical condition." (cleaned up)

Office of Personnel Management v. Richmond

Holding that "judicial use of the equitable doctrine of estoppel cannot grant . . . a money remedy that Congress has not authorized"

U.S. ex Rel. Clausen v. Laboratory Corp.

Holding Rule 9(b) applies to False Claims Act claims

Haynes v. Level 3 Communications, LLC

Holding a written warning is not an adverse employment action if it does not cause a significant change in employment status

Reno v. Bossier Parish School Bd.

Holding that, in cases brought under § 5 of the Voting Rights Act of 1965, the Arlington Heights framework should guide a court's inquiry into whether a jurisdiction had a discriminatory purpose in enacting a voting change

Rule 56 - Summary Judgment

Holding a party may move for summary judgment on any part of any claim or defense in the lawsuit

Section 3729 - False claims

Holding liable "any person" who knowingly causes false claims to be presented

Section 3730 - Civil actions for false claims

Granting the government primary responsibility for conducting suit

Section 1395nn - Limitation on certain physician referrals

Approving of compensation rates that " do not exceed fair market value"

Section 516 - Conduct of litigation reserved to Department of Justice

Granting the Attorney General and the Department of Justice exclusive power to direct litigation involving the United States

Section 421.5 - General provisions

Providing that the Medicare Administrator "is the real party of interest in any litigation involving the administration of the program"

Section 411.354 - Financial relationship, compensation, and ownership or investment interest

Defining a financial relationship to include direct or indirect relationships

Section 411.353 - Prohibition on certain referrals by physicians and limitations on billing

Section 0.45 - General functions

Assigning common law fraud claims to the Assistant Attorney General, Civil Division

Section 424.520 - Effective date of Medicare billing privileges