Transgender service members sued the Trump administration over the constitutionality of a policy that bars trans people from serving openly in the military.

An investment banker was charged with securities fraud, and the D.C. Circuit found that he had committed a “fraudulent scheme” arising from misleading statements to potential investors. The Supreme Court granted cert to determine whether, under SEC Rule 10b-5, conduct that does not meet the elements of a fraudulent “statement” can form the basis of liability for a fraudulent “scheme.”

Farmers in India sued a component of the World Bank after it financed a power plant that polluted the local water supply. The D.C. Circuit held that the suit was barred by a doctrine that grants immunity to entities classified as “international organizations.” The Supreme Court granted cert to resolve the scope of that immunity doctrine. On Feb. 27, 2019, the Supreme Court reversed the D.C. Circuit in a ruling that limited the scope of immunity for international organizations and revived the Indian plaintiffs’ lawsuit.

In 2014, the federal Medicare agency published a new legal interpretation that changed how Medicare reimbursements for hospitals were calculated. Hospitals hurt by the change challenged the interpretation because the agency did not conduct formal rulemaking. The D.C. Circuit agreed with the hospitals, and the Supreme Court granted cert to decide whether formal rulemaking was required.