Civil Litigation-Federal Question Jurisdiction
The second way of bringing a civil claim into federal court is by suing under a federal statute or a federal constitutional provision. For instance, if you file a civil rights claim against your employer, even though you may be a citizen of Ohio and you employer may be a citizen of Ohio, you can still bring that claim in federal court because the claim is brought under federal law. Likewise, if you pursue a claim against a defendant under a theory involving a violation of your constitutional rights, then that type of claim may be brought in federal court because it is founded upon a federal constitutional issue.
Unlike diversity claims, federal question cases do not have any monetary jurisdictional limits. That is, the discrimination claim that you bring against your employer may only be worth one hundred dollars, but you can still bring that claim in federal court.