5.0/5.0
A lawyer who receives a minimum threshold of qualifying responses from fellow attorneys can qualify for one of three prestigious Martindale-Hubbell Peer Review Ratings:
AV Preeminent®: The highest peer rating standard. This rating signifies a large number of the lawyer’s peers rank him
or her at the highest level of professional excellence for their legal knowledge, communication skills and ethical standards.
Diane J McMahon got this award in 2026
Distinguished: An excellent rating for a lawyer with some experience. This rating indicates the attorney is widely
respected by their peers for high professional achievement and ethical standards.
Notable: This rating indicates that the lawyer has been recognized by a large number of their peers for strong ethical standards.
