Good-faith lawsuit? LDS church in fight with podcaster over Mormon name

Church sues excommunicated member over Mormon Stories podcast but John Dehlin says name free for all to use

Trademark changes and copyright infringement disputes take many forms. Dunkin' Donuts changed its name to Dunkin' because Donuts did not suggest the vigorous, on-the-go attitude the coffee company wants to project.

But what happens when a church changes its name, but former adherents continue to use the original term in ways it may not like?