The American telecommunications company Sprint has filed a lawsuit against AT&T in relation to the latter's use of the term "5G Evolution". Obviously, there is a lot of excitement about 5G connectivity and major brands are naturally trying to take advantage of consumer interest. Sprint believes AT&T is involved in outright deception.
https://www.notebookcheck.net/Sprint-files-a-lawsuit-against-AT-T-over-5G-E-branding.405776.0.html