Holding that “although [plaintiff's] theories are posited as state law claims,” their viability depended on whether the SRO's “rules were violated,” thereby triggering the exclusive jurisdiction provision of § 78aa
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 . . ."
Holding that federal jurisdiction over state claims could not be premised on § 78aa because that statute refers to claims created by the Exchange Act and rules promulgated thereunder, not to claims created by state law
Holding that a self-regulating authority like FINRA is "immune from liability for claims arising out of the discharge of its duties under the Exchange Act"
Holding that dispute about arbitration compliance with NASD rules did not give rise to federal question jurisdiction based on SEC approval of rules, particularly where claim did not allege violation of securities laws or seek to enforce any duty created by such laws
Addressing subject matter jurisdiction, even though defendant did not seek leave to appeal district court's denial of its motion to dismiss on the ground that plaintiff and limited partner of defendant general partnership were not diverse
Finding state law claim to be a "well-disguised federal claim" where, inter alia, "the Alabama statute makes illegal essentially the same acts prohibited by the federal antitrust laws"
28 U.S.C. § 1331 Cited 97,317 times 134 Legal Analyses
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."