Jack L. Horstmann
About Jack L. Horstmann
Jack L. Horstmann is a lawyer based in Phoenix, AZ and has been recognized in Best Lawyers: Ones to Watch® in America since 2026. Jack L. Horstmann is recognized in the following practice area:
- Phoenix, Arizona
- Commercial Litigation
Current Firm: Polsinelli PC
Education: Arizona State University, J.D., graduated 2022, Arizona State University, J.D., graduated 2022, Arizona State University, J.D., graduated 2022, Arizona State University, J.D., graduated 2022, Arizona State University, J.D., graduated 2022, Arizona State University, J.D., graduated 2022, Arizona State University, J.D., graduated 2022, Arizona State University, J.D., graduated 2022, and Arizona State University, J.D., graduated 2022
Location: Phoenix, AZ
Nearby Lawyers
Carrie M. Francis is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Carrie M., who practices law in Phoenix, Arizona, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carrie M. is held by other top lawyers in the same geographic and legal practice area.
Jason Moyes’ practice is focused in the area of natural resource law. Included in his practice is the representation and defense of agricultural irrigation and electrical districts, small utilities, real estate developers, and other special taxing districts. He is experienced in water rights, electricity, solar, gas-fired and hydroelectric power generation, land use planning, and other permitting matters. Jason has successfully represented clients on numerous state and federal regulator...
David focuses his practice in family law. He assists clients with divorces, child custody issues, post-decree modifications, and pre- and post-nuptial agreements. David is experienced with high conflict family law matters and has tried numerous cases. He has particular expertise when dealing with issues relative to children both during dissolution and issues that arise after a client’s divorce or establishment matter. David passionately advocates for what matters most to his clients and...
Mr. Pote’s practice is focused on strategic intellectual property counseling, including invention harvesting, global patent preparation and prosecution, copyright and trademark counseling, and cybersecurity issues, including information security and data privacy. He has been involved in infringement, validity, enforceability studies, IP due diligence and ex parte, and inter-partes patent reexaminations. Representative technologies include software and electronic systems, deep learning s...
Paul J. McGoldrick is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law, Litigation - Insurance and Personal Injury Litigation - Defendants. Paul J., who practices law in Phoenix, Arizona, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paul J. is held by other top lawyers in the same geographic and legal practice area.
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...
Stuart Kimball is a top attorney recognized by Best Lawyers in the practice area(s) of Government Relations Practice. Stuart, who practices law in Phoenix, Arizona, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stuart is held by other top lawyers in the same geographic and legal practice area.
Keith has substantial experience litigating complex commercial matters in a variety of contexts, including business torts, injunctive proceedings, legal malpractice defense, and claims against directors and officers. He has served as lead counsel in the defense of class actions. Additionally, Keith represents broker-dealers and investment professionals in the litigation, arbitration, and regulatory arenas. He has been involved in evidentiary injunctive matters on a broad range of issues, incl...
J.D. (with High Honors), University of Florida, 1993 A.B., Government, magna cum laude , Harvard University, 1990 Law clerk to the Hon. Susan H. Black, U.S. Court of Appeals, Eleventh Circuit, 1995-1996 Law clerk to the Hon. Lacey A. Collier, U.S. District Court for the Northern District of Florida, 1993-1995 Attorney (associate and partner), Lewis Roca Rothgerber LLP, 1996 to present
James H. Patterson has been certified as a specialist in real estate law by the State Bar of Arizona since 1986. His practice concentrates on matters relating to all aspects of real estate and financing, including negotiating acquisitions and dispositions; drafting options, purchase contracts and escrow supplements; title review and negotiation with title insurers; preparation of closing documents, including notes, security instruments, assignments and collateral assignments, and deeds; prepa...
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
Build Your Legal Practice with Effective Online Networking
by Jamilla Tabbara
How thoughtful online networking supports sustained legal practice growth.
Blogging for Law Firms: Turning Content into Client Connections
by Jamilla Tabbara
How law firms use blogs to earn trust and win clients.
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer