1. Since my content is photos, for which I have RAW files with camera embedded copyright data, that's easy enough 2. You either used it in a catalogue, brochur

1. Since my content is photos, for which I have RAW files with camera embedded copyright data, that's easy enough 2. You either used it in a catalogue, brochure or for a website; in the physical media case I have the proof, I wouldn't if I wouldn't have found the infriction, by use on the internet, well, it's the internet 3. There are international law firms specialized just for that