OK I just did what I suggested you do, and look for lawyers who have recently won cases in San Diego involving easements, and found this guy:

http://www.stevenjrobertspc.com/

I have never heard of him before or met him, but he did win a case in Claremont that invalidated old deed restrictions and also involved a secondary easement issue, and his website says he was involved with a public easement lawsuit in Torrey Pines.