On 21–22 April, the Supreme Administrative Court of Lithuania (SACL) and the Association of the Councils of State and Supreme Administrative Jurisdictions of the European Union (ACA-Europe) hosted the seminar ‘The Protection of Legitimate Expectations in Administrative Law and EU Law’ where representatives of the supreme administrative jurisdictions from more than twenty European states as well as judges and lawyers of the Supreme Administrative Court of Lithuania shared their insights, the approach and case law developed in their countries in the area of protection of legitimate expectations.