When I first read your question I thought YES! Law marketing. Perfect!
It wasn't until I read the question a couple of times that I saw they were two different things; law and marketing. But every time I revisit your question trying to get clarity I keep hearing Law marketing. So I finally googled it to see if that was even such a thing. I found this
I don't know if that means anything to you or how you go about getting to that point. But I can't get past the two of them together. I feel you would be effective at both law and
marketing. Better yet, together.
Might be worth a thought.