See
<https://blog.ericgoldman.org/archives/2019/04/photographer-sues-for-failure-to-provide-creative-commons-required-attribution-philpot-v-wos.htm>
This was briefly discussed also at
<https://2019.copyleftconf.org/schedule/presentation/11/>
I tried to make a list of some of Philpot cases (attached).
Federico