The Guidelines for Examination from the European Patent Office explain this in detail: https://www.epo.org/en/legal/guidelines-epc/2023/g_ii_3_6.html https://ww

The Guidelines for Examination from the European Patent Office explain this in detail: https://www.epo.org/en/legal/guidelines-epc/2023/g_ii_3_6.html https://www.epo.org/en/legal/guidelines-epc/2023/g_ii_3_6.ht... The gist is a computer program must produce a "further technical effect". It can't be just running code on a generic computer. It would have to be specific to the internals of the computer, like a method of securing a bootloader. There's a section with more examples: https://www.epo.org/en/legal/guidelines-epc/2023/g_ii_3_6_1.html https://www.epo.org/en/legal/guidelines-epc/2023/g_ii_3_6_1.... I imagine it can lead to more questions than answers. It's complicated.