US SB3180

Requires parties and attorneys in federal civil cases to disclose any third-party litigation funding from foreign persons, foreign states, or sovereign wealth funds within 30 days, including the funder's name, address, citizenship, and copies of funding agreements

Prohibits all third-party litigation funding from foreign states and sovereign wealth funds entirely, with any such agreements rendered null and void

Mandates disclosure to multiple parties: the court, all named parties, the Attorney General, and the Principal Deputy Assistant Attorney General for National Security

Subjects false or incomplete disclosures to sanctions under Federal Rules of Civil Procedure Rule 37, with certifications made under penalty of perjury

Requires the Attorney General to submit annual reports to Congress on foreign third-party litigation funding activity in federal courts, including funder identities, funding amounts by country, and case subject matters