Patrick "Pat" Irvine
About Patrick Irvine
Patrick Irvine is a lawyer based in Phoenix, AZ and has been recognized in The Best Lawyers in America® since 2015. Patrick Irvine is recognized in the following practice areas:
- Phoenix, Arizona
- Administrative / Regulatory Law
- Appellate Practice
- Native American Law
- Tax Law
Current Firm: Fennemore PC
Education: Arizona State University, J.D., graduated 1980
Location: Phoenix, AZ
It takes just a few minutes to optimize your profile for prospective clients and lawyers ready to refer.
Log in to your account or continue as a guest to view annual subscription pricing.
Nearby Lawyers
Jennifer J. Understahl is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Jennifer J. practices law in Phoenix, Arizona Best Lawyers has recognized Jennifer J. Understahl since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jennifer J. Understahl is held by other lawyers.
Prior to joining Gallagher & Kennedy, Mr. Clark served as a law clerk to the Honorable Mary M. Schroeder, Circuit Judge for the U.S. Court of Appeals, Ninth Circuit. Mr. Clark has also maintained an appellate practice. Prior to focusing his practice on plaintiffs’ personal injury and wrongful death cases, he handled a wide-range of cases, including criminal defense, insurance defense and commercial litigation. His recent experience includes: Served as Co-Lead Counsel for over 70 vic...
William M. Demlong is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation, Construction Law, Insurance Law and Litigation - Insurance. William M. practices law in Phoenix, Arizona Best Lawyers has recognized William M. Demlong since 2017. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which William M. Demlong is held by other lawyers.
Kelsi T. Lane’s practice focuses on probate administration, trust administration, and estate planning. Kelsi is a dedicated attorney practicing estate law. She is focused on ensuring her clients’ legal needs are met with promptness and efficiency. Kelsi is recognized for her expertise by The Best Lawyers in America ©, 2024 and 2025 editions, Super Lawyers ®, 2022, 2023, and 2024 editions, and featured in Phoenix Magazine ’s Top Lawyers in Wills, Trusts, & Estate...
Melissa Benson is a lawyer recognized by Best Lawyers in the practice area of Family Law. Melissa practices law in Phoenix, Arizona Best Lawyers has recognized Melissa Benson since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Melissa Benson is held by other lawyers.
A senior partner and Best Lawyers® honoree, Jonathon Morrison’s practice is focused on tax, business and estate planning for clients with large or complex estates. He is licensed in both Arizona and California and is a Certified Specialist in Estate Planning, Trust and Probate Law in California. After a decade practicing with preeminent estate planning law firms in Silicon Valley, Jonathon gained a mastery of virtually every estate and tax planning strategy in existence. With his un...
Robert S. Kant has represented numerous large and small issuers of equity and debt securities in hundreds of securities transactions involving the sale of more than $20 billion of securities through virtually every major investment banking firm in the United States. He regularly represents national, regional and local investment banking firms, as well as a variety of investment banking, private equity and venture funds. He also serves as a director or member of advisory boards to public and p...
With more than twenty years of experience in federal, state, and local air quality laws and in representing clients across the U.S. from a variety of industries, Bill is uniquely skilled at providing effective counsel and working toward solutions that best serve his client’s specific needs. Bill is dedicated to helping clients understand their compliance obligations under the myriad of air quality programs, regulations, and agency guidance so that such obligations can be managed as effe...
DANIEL P. QUIGLEY is a CDQ partner and the Vice President of the firm. He has been practicing law in Arizona since 1984. Since joining CDQ in 1997, Dan has practiced in all areas of commercial litigation, including cases raising antitrust and intellectual property issues. Dan has lectured at the State Bar of Arizona’s Professionalism courses and been an instructor at the National Institute for Trial Advocacy’s Arizona Deposition Skills Program. He is a member of the Xavier College...
Philip C. Gerard is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law and Family Law. Philip C. practices law in Phoenix, Arizona Best Lawyers has recognized Philip C. Gerard since 1987. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Philip C. Gerard is held by other lawyers.
Explore and Learn
What AI Visibility Means for Lawyers
by Josh Rupall and Bryan Driscoll
AI tools increasingly interpret lawyers public information. Clear, consistent and credible sources help ensure they describe legal expertise accurately.
The Best Lawyers in Canada 2027: Recognizing the Nation's Top Legal Talent
by Jamilla Tabbara
Honoring established leaders and rising practitioners across Canada's legal profession.
2027 Best Lawyers Awards: Honoring Excellence in the Legal Profession
by Jamilla Tabbara
Recognizing the outstanding attorneys leading top practice areas nationwide.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
Who Can Override a Power of Attorney?
by Bryan Driscoll
A power of attorney carries real legal authority, but it isn't absolute. Here's who can step in to revoke, restrict or set it aside.
How to Get an Eviction Off Your Record
by Bryan Driscoll
Whether an eviction can be removed, sealed or corrected depends on your state, your case and where the record appears.
Inside the 2027 Best Lawyers Awards in Chile, Colombia and Puerto Rico
by Jamilla Tabbara
A closer look at the research process, methodology and key statistics behind the 2027 editions.
How Peer Review Works: Best Lawyers Methodology Explained
by Jamilla Tabbara
Understanding the independent, data-driven framework that defines professional legal standing.
How to Optimize Your Best Lawyers Profile for AI Search
by Everett Sizemore
Learn how a complete, well-structured Best Lawyers profile can strengthen your visibility and accuracy across AI search platforms.