No explicit provision of law.ESTONIA (EU): § 6(2) 5) of the Patent Act (Act No. RT I 1994, 25, 406, as last amended by Act No. RT I, 28.12.2011 of 07/12/2011)
§ 6. Subject of invention
(2) The following, inter alia, are not regarded as the subject of inventions:
5) algorithms for computers and computer programs;