Anderson v. Liberty Lobby, Inc.

Holding that summary judgment is not appropriate if "the dispute about a material fact is ‘genuine,’ that is, if the evidence is such that a reasonable jury could return a verdict for the nonmoving party"

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"

Pearson v. Callahan

Holding that a court may, without deciding whether there was a constitutional violation, look to the question of whether that right was "clearly established"

Matsushita Elec. Indus. Co. v. Zenith Radio

Holding that, on summary judgment, antitrust plaintiffs "must show that the inference of conspiracy is reasonable in light of the competing inferences of independent action or collusive action that could not have harmed" them

Saucier v. Katz

Holding when a defendant seeks qualified immunity, "a ruling on that issue should be made early in the proceedings so that the costs and expenses of trial are avoided where the defense is dispositive."

Harlow v. Fitzgerald

Holding that public officials are entitled to a "qualified immunity" from "liability for civil damages insofar as their conduct does not violate clearly established . . . rights of which a reasonable person would have known"

Anderson v. Creighton

Holding that an officer is entitled to qualified immunity if "a reasonable officer could have believed" that the search was lawful "in light of clearly established law and the information the searching officers possessed"

Malley v. Briggs

Holding that a reasonably well-trained officer who would have known that his affidavit failed to establish probable cause and that he shouldn't have applied for a warrant violates an arrestee's Fourth Amendment right against unreasonable seizures and does not enjoy qualified immunity when he arrests someone based on the warrant he nonetheless procured from a judicial officer

Mitchell v. Forsyth

Holding that some orders denying summary judgment constitute " 'final decisions' " under the collateral order doctrine

Wilson v. Layne

Holding that officers’ conduct was reasonable where they followed a common police practice and no judicial opinions at the time prohibited the conduct

Section 1983 - Civil action for deprivation of rights

Holding liable any state actor who "subjects, or causes [a person] to be subjected" to a constitutional violation

Rule 56 - Summary Judgment

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

Rule 26 - Duty to Disclose; General Provisions Governing Discovery

Adopting Fed.R.Civ.P. 37

Section 1985 - Conspiracy to interfere with civil rights

Concerning conspiracies to obstruct justice or intimidate a party, witness, or juror

Section 1986 - Action for neglect to prevent

Setting a 1-year statute of limitations

Section 1-102 - District created body corporate for municipal purposes

Authorizing the District of Columbia to "sue and be sued"

Section 5-101.01 - Police District created