Robert D. Mitchell

Robert D. Mitchell

Phoenix, AZ recognized lawyers icon Recognized in Best Lawyers since 2016
Tiffany & Bosco PA

23 Best Lawyers awards

Tiffany & Bosco PA logo

Awarded Practice Areas

Commercial Litigation Litigation - Securities

Biography

Robert D. Mitchell focuses his legal practice on complex commercial and financial litigation, particularly in the areas of securities and investments, financial fraud litigation, business disputes and torts, defamation, and commercial real estate litigation. He has more than 25 years of experience in such cases. His cases generally involve litigation, arbitration and mediation of legal matters involving business and contractual disputes, investment and financial frauds, commercial real estate and development, corporate and LLC issues, and other commercial and financial matters. Robert represents clients in Arizona, California, Texas and Utah, and when admitted pro hac vice has handled commercial litigation matters in states across the United States.

Robert is also experienced in the evaluation, litigation (including class action litigation) and arbitration of securities, investment and commercial real estate cases. His investment cases have included litigation and arbitration of disputes involving stocks, bonds, options, commodities, limited partnerships, ERISA accounts, investment contracts and other securities. Robert has represented investors in litigation and arbitration cases against numerous brokerage firms, issuers, attorneys, and others. He also represents brokerage firms and stockbrokers in investment cases. Robert also serves as local counsel for out-of-state law firms and parties involved in large class action and complex litigation cases.

Robert also has represented companies and individuals in commercial real estate investment, development and business transaction disputes and other litigation matters. His clients include commercial real estate firms and developers in Arizona, California, and Utah, and real estate brokerage firms. Robert is experienced in all facets of litigation involving commercial real estate transactions, subdivisions, contracts, purchase and lease disputes, and other commercial real estate matters.

As a graduate of the Arizona State University Sandra Day O'Connor College of Law, Robert’s curriculum emphasis was in the areas of securities, corporation and business law, and included graduate business courses in the areas of finance and accounting. Prior to obtaining his Juris Doctor degree, he earned his Bachelor of Science degree from Arizona State University in accounting. Robert is also a graduate of the Arizona College of Trial Advocacy.

Robert is admitted to practice before the Supreme Court of the State of Arizona, Supreme Court of the State of California, Supreme Court of the State of Texas, Supreme Court of the State of Utah, United States District Court for the District of Arizona, United States District Court for the Southern District of California, and the United States Court of Appeals for the Ninth Circuit. He is a member of the State Bar of Arizona, State Bar of California, State Bar of Texas, State Bar of Utah, and the American Bar Association.

Robert has been given an "AV-rating", the highest peer-based rating an attorney can receive and is listed in the Martindale-Hubbell Bar Register of Preeminent Lawyers. He is also listed in Arizona’s Finest Lawyers (www.azfinestlawyers.org), and in the current editions of Best Lawyers in America® and Super Lawyers®, which are legal rating services which recognize the top attorneys across the country through independent research and peer evaluations. Less than 5% of attorneys qualify for recognition by Best Lawyers and Super Lawyers. Robert is listed in the current edition of Marquis Who's Who in American Law. Robert has also qualified for and been admitted to Mensa, a non-profit society recognizing intellectual ability and achievement.

Robert has served on various bar organizations related to the practice of law, and has served as an arbitrator in securities and commercial disputes. He has been a member of the panel of arbitrators of the New York Stock Exchange (NYSE) and the National Association of Securities Dealers now known as FINRA. He has previously served as an arbitrator in cases for the Better Business Bureau and the American Arbitration Association.

Robert has been a regular public speaker on legal related topics, including Effective Trial Opening Statements and Closing Arguments, Real Estate Litigation, Arbitration of Investment Disputes, Investment Analysts and Securities Litigation Legislation, the Securities Reform Act, Mechanic's Liens in Real Estate Transactions, and Alternative Dispute Resolution, among other subjects. He has been invited to speak before several securities industry training seminars on arbitrations and mediations. In addition, he has made a number of presentations to attorneys, broker-dealer firms, and other professional groups on securities law and regulatory compliance matters, and arbitration and mediation of securities arbitration disputes.

Robert has been involved in a number of civic activities. Robert has also served in the past as a member of the Board of Directors of the Arizona State University Alumni Association, and was one of four co-chairmen of its Old Main Restoration Committee, and has received the distinction of Outstanding Alumni Board Member. He is a past Chairman of the ASU Founder's Day Committee and the Awards Committee. He is a past President and a former Annual Scholarship Golf Tournament Chairman of the Arizona State University College of Business Alumni Association, a former member of the ASU Dean's Board of Excellence, and a past member of the Board of Directors of the Arizona State University College of Law Alumni Association.

Robert was lead counsel in a 2016 federal court case that awarded his client (an investment professional) a record $38.5 million internet defamation judgment.
Tiffany & Bosco PA

23 Best Lawyers awards

Tiffany & Bosco PA logo

Overview

  • Arizona State University, J.D., graduated 1987
  • Arizona State University, BS

  • Arizona, United States
  • California, United States
  • Texas, United States
  • Utah, United States
  • Arizona, United States
  • California, United States
  • Texas, United States
  • Utah, United States
  • Arizona State University, J.D., graduated 1987
  • Arizona State University, BS

Client Testimonials

During the eight months that I have been working with Robert D. Mitchell, I have found him to be a person of the highest integrity who clearly has the best interest of his clients at the forefront. Mr. Mitchell is a straight talker who has provided a realistic assessment of our case, patiently explaining all the steps and terminology. Throughout he has kept us well informed and is very prompt in replying to questions and concerns. We have been very happy with the services provided by Mr. Mitchell and his very capable staff. I highly recommend him.

Thomas Ashcraft

Tucson

At a moment’s notice, Robert helped me with a legal matter and provided exceptional guidance throughout the process. Robert was extremely responsive and thorough in his communication with me. I would highly recommend Robert to anyone in need of legal assistance. Thank you, Robert!

Matthew Hirshberg

Phoenix

Robert Mitchell has been our go-to counsel on numerous real estate related matters for a number of years. His keen insights, strong strategic thinking and calm demeanor are highly valued by us as his client. He always makes himself available to discuss both large and small matters which stands apart in today's legal world. I could not recommend Robert more highly.

Jon Stern (JS Management Company)

I had the pleasure of working with Robert Mitchell and his team of Zachary Cormier and Kaleigh Stilchen. Robert was highly recommended by my family attorney with his specialty in financial litigation. Unfortunately, I had an investment that went bad. Robert helped turn a bad experience into a good one. He and his team were efficient with their time and were able to get the job done! I highly recommend Robert and his team!

Michael Buckmaster

Scottsdale, AZ

I have used Robert Mitchell of Tiffany & Bosco to handle an important legal matter for me in the securities industry. I was very pleased with his and his team’s diligence, knowledge of the law, and hard work on my behalf. The outcome was great. I would recommend his team to anyone in need of a quality lawyer.

Matthew Davies

Robert Mitchell is a true honest attorney who works for you day and night to get whatever you need done in the most diligent and best way to ensure the best outcome.

Rod Ghani (Expoetch)

Scottsdale, AZ

I am an investment professional and have used Robert Mitchell of Tiffany & Bosco to handle several important legal matters for me. Robert has a broad knowledge of the law, and my industry. I think he is a top securities law attorney. I would recommend him to anyone in need of quality counsel.

Mike CHOY

Mesa, AZ

I am an investment professional and have used Robert Mitchell of Tiffany & Bosco to handle several important legal matters for me over the past 17 years. Robert has a broad knowledge of the law, and my industry. He is a top securities law attorney, and I would recommend him to anyone in need of quality counsel.

Peter C

As a career investment professional, I have used Robert Mitchell of Tiffany & Bosco to handle several important legal matters for me. Robert has an incredibly broad knowledge of the law, and my industry. I believe he is a top securities law attorney. I would recommend him highly to anyone in need of quality counsel.

I've used Robert Mitchell of Tiffany & Bosco to handle a critical non-criminal, legal matter for me. I was very pleased with his diligence, knowledge of the law, and hard work on my behalf. I was especially happy with communications. Roberts assigned his legal assistant who was excellent and who handled all documentation. In addition, Robert was always personally available to me for discussion and crafting of court documents. I was never handed off to a junior attorney or second-stringer legal assistant. While legal outcomes cannot be forecast, I was happy with what Robert achieved for me. Robert is an excellent litigator with a very good knowledge of court procedures and requirements. I would recommend him to anyone in need of a quality trial lawyer.

Tony Urso (uniSolv, Inc. )

Glendale, AZ

Robert D. Mitchell was great to work with. I highly recommend him. He is an amazing attorney.

Rod Ghani (Expoetch)

Scottsdale, AZ

Robert Mitchell is an amazing man, and has unbelievable integrity and presence. Mr. Mitchell was recommended to me, and I’m so lucky to have him as my attorney. I have used multiple attorneys in the past and this relationship has by far exceed my expectations. Mr. Mitchell is the best. He is a true honest attorney who works for you day and night to get whatever you need done in the most diligent and best way to ensure the best outcome. No matter what it is you need help with big or small cases, he is your man. This man protected me, saved my life, and helped me with everything I needed to go thru the tough times.

Rod Ghani (Expoetch)

Scottsdale, AZ

Robert Mitchell and his associate Christopher Waznik were nothing less than spectacular to work with. Their attention to detail, tireless work ethic, patience, and ability to navigate such a challenging, and frankly confusing case, was to thank for the award I was granted. Thank you, guys!

Matt Phillips (Cyvex Nutrition, Inc.)

Working with Robert and his team was a great experience. Their outstanding knowledge and work ethic helped us navigate a difficult situation and achieve a result that was to our satisfaction.

Keryn Solomon

Scottsdale, AZ

As a securities fraud expert who works all over the country, in my 30 years I have been lucky enough to work for some of the best securities attorneys in the country. I rate Robert Mitchell at the very top of that list. I don't know if I've ever known an attorney that is as prepared for a hearing than Robert. His openings, his cross-examination of witnesses, his presentation materials, and his closings are superb.

Doug Schult (Pilgrim's Pride Corporation)

Greeley, CO

I have used Robert Mitchell of Tiffany & Bosco to handle several important legal matters for me. The outcome was great. I would recommend him to anyone in need of a quality trial lawyer. Additionally, very few lawyers will advise their clients not to proceed in matters that are not cost effective to the client, although this advice may be adverse to their attorney charging them additional fees. Robert is quick, responsive, and reliable. We have used other members of his team who have always been there to help us in their areas of expertise, with great success. When it comes to real estate and business needs, I highly recommend the firm of Tiffany & Bosco.

Joel Gassman

Phoenix, AZ

I am an investment professional and have used Robert Mitchell of Tiffany & Bosco to handle several important legal matters for me; once in 1993, another in 2013, and several this decade. He has had awesome results. His deep and wide experience combined with his deep knowledge of the law and the financial industry has generated awesome results. He stays on top of the case and keeps me in the loop as the case evolves. Since many of my clients use lawyers, I can observe how other lawyers handle cases and I'm convinced Robert D. Mitchell is definitely number one in handling financial and investment security cases due to his experience, knowledge and engagement. On top of that, he sincerely cares about his clients. He is definitely a top securities law attorney. I would recommend him to anyone in need of quality counsel.

Deeann Griebel (Dee Griebel)

Tempe, AZ

Robert did an absolute fantastic job on our expungement case. I would highly recommend him and Chris W.!

Corbett LaDuke (Trajan Wealth)

Scottsdale, AZ

I have used Robert Mitchell of Tiffany & Bosco to handle an important legal matter for me. I was very pleased with his diligence, knowledge of the law, and hard work on my behalf. Robert always exceeded my expectations, and the outcome was great. Prior to finding Robert, I worked with two other law firms on the same issue and experienced a difficult process with no result. I am grateful that I found Robert who finally brought my issue to a positive conclusion. As busy as he was, Robert was always quick to respond every time I reached out, even if I only needed moral support. I know from speaking with others in the community that Robert has an exemplary reputation and that my experience was not unique. I have and will continue to recommend him to anyone in need of a quality trial lawyer.

Carrie Borgen (Nonprofit)

We were very pleased with Robert Mitchell. He was very thorough and kept us abreast of all issues in our case. We would recommend him anytime.

Carol Walker

Scottsdale, AZ

I consulted with Robert Mitchell of Tiffany & Bosco regarding an important business legal dispute. I was very happy with his knowledge of the law and his making the situation understandable for me. I would recommend him to anyone in need of a quality lawyer.

Adam Petropolis

Mesa, AZ

Awards & Focus

Recognized in The Best Lawyers in America® 2026 for work in:
  • Commercial Litigation
  • Litigation - Securities
Additional Areas of Practice:
  • Banking and Finance Law
  • Litigation - Banking and Finance
  • Litigation - Real Estate
  • Securities Regulation

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