Willy v. Coastal Corp.

Holding federal district courts may impose Rule 11 sanctions even "in a case in which the district court is later determined to be without subject-matter jurisdiction"

Kwikset Corp. v. Superior Court

Holding "the standards for establishing standing under section 17204 and eligibility for restitution under section 17203 are wholly distinct"

Cel-Tech Communications, Inc. v. Los Angeles Cellular Telephone Co.

Holding that for an act to be "unfair," it must "threaten" a violation of law or "violate the policy or spirit of one of those laws because its effects are comparable to or the same as a violation of the law"

In re Tobacco II Cases

Holding class representatives had standing to challenge common marketing of cigarettes despite differences in the advertisements or statements on which class members relied

Doe v. Unocal Corp.

Holding "court may consider evidence" on motion to dismiss under Rule 12(b)

McBride v. Boughton

Holding that common count will "stand or fall" with cause of action seeking the same recovery

Holgate v. Baldwin

Holding that we “enforce [Rule 11's] safe harbor provision strictly”

Troyk v. Farmers Group, Inc.

Holding that payment of extra money as a result of the defendant's action was sufficient for standing

Lippitt v. Raymond James Fin. Services, Inc.

Holding that federal law was not "necessary element" of UCL claim, since plaintiff"does not have to rely on a violation of the Exchange Act nor an infraction of an NYSE rule or regulation to bring a UCL claim in California state court. He merely has to allege that Defendants' conduct was either unfair or fraudulent. . . . Rather, [plaintiff] seeks to use a state statute, namely California's Unfair Competition Law, as a vehicle to hold Defendants liable for misleading and deceptive practices . . ."

Christian v. Mattel, Inc.

Holding that before filing a complaint, a party is obligated under Rule 11 to investigate the applicable facts and law to ensure that the claims have merit

Section 1332 - Diversity of citizenship; amount in controversy; costs

Holding district court has jurisdiction over action between diverse citizens "where the matter in controversy exceeds the sum or value of $75,000"

Section 1331 - Federal question

Finding that in order to invoke federal question jurisdiction, a plaintiff's claims must arise "under the Constitution, laws, or treaties of the United States."

Rule 11 - Signing Pleadings, Motions, and Other Papers; Representations to the Court; Sanctions

Holding an "unrepresented party" to the same standard as an attorney

Rule 201 - Judicial Notice of Adjudicative Facts

Holding "[n]ormally, in deciding a motion to dismiss for failure to state a claim, courts must limit their inquiry to the facts stated in the complaint and the documents either attached to or incorporated in the complaint. However, courts may also consider matters of which they may take judicial notice."

Rule 5 - Serving and Filing Pleadings and Other Papers

Allowing service by filing papers with the court's electronic-filing system

Section 17200 - Unfair competition defined

Prohibiting unlawful business practices

Section 2030 - License required; not transferable