333 N. Wilmot Rd., Suite 340, Tucson, Arizona 85711


520-253-5262 520-253-5262

Martindale Awards

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AV Preeminent®: The highest peer rating standard. This rating signifies that 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.

Client Client Champion

Client Champion Silver is awarded to lawyers/firms with at least 3 reviews, with an average score of 4.0 or higher.

Martindale Ratings

Average Peer Rating
Average Client Rating
Client Recommended
80% client recommended
Our reviews are compiled from our profiles on the legal directory Lawyers.com

Reviews (5)

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Our case recently settled through mediation with a fair and just outcome. My role was personal representative for a distant relative that died from a routine heart procedure. Dave was recommended by my son who...

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Client 2022/04/10


Mr. Sumner won our case and showed hard work and extensive research for out case. He amazed us with his knowledge or medical terms and procedures during the trial. Our case started four years ago and was delayed...

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Client 2022/03/09


David Sumner is everything one could hope for in an attorney when ones loved one has suffered a catastrophic injury. He is smart, informed, compassionate and the most diligent, hardworking individual I have...

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Client 2022/03/08


We had a five year long medical malpractice case. Mr. Sumner was the most professional, compassionate, dedicated, thorough, knowledgeable, hard working, personable, etc. lawyer you will ever find. He won our case...

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Client 2016/05/07


This guy must lose 80% of all his cases according to his explanations. He was very condescending, arrogant & had trouble understanding the details pertaining to my issue & not very professional in my opinion. He...

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Client 2023/09/14

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