Cory Tyszka

Peter’s focus is protecting businesses and securing their future through risk management, litigation, and dispute resolution. Peter has extensive experience litigating in Arizona state and federal courts and has represented businesses of all sizes in the Arizona Court of Appeals and the United States Court of Appeals for the Ninth Circuit. Peter routinely handles matters involving business litigation, commercial real estate disputes, insurance coverage, employment disputes, and commerci...

Member of the firm in our Phoenix, Arizona office. Mr. Baxter’s practice focuses on Construction Law and Commercial & Business Litigation. Mr. Baxter negotiates and prepares construction contracts for general contractors and private and public owners, as well as preparing other commercial contract documents. In litigation, Mr. Baxter frequently represents general contractors and property owners and developers in a wide array of commercial construction disputes and also represents ho...

Bradley H. Schleier is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Individuals. Bradley H., who practices law in Phoenix, Arizona, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bradley H. is held by other top lawyers in the same geographic and legal practice area.

J.P. Harrington Bisceglia is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Litigation - Insurance. J.P. Harrington, who practices law in Phoenix, Arizona, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which J.P. Harrington 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...

Marvin is a partner with substantial experience representing clients in complex commercial litigation in state and federal courts in Arizona and Nevada. His practice primarily focuses on business disputes and litigation, including partnership disputes, real estate litigation, business torts, and fraud claims. Additionally, Marvin has extensive experience litigating debtor/creditor relationships, including prosecuting fraudulent transfer actions and obtaining prejudgment remedies; defending cl...

Ms. Miller represents management in all facets of labor and employment law and civil rights, including wage and hour law, employment discrimination law, wrongful termination, executive employment contracts, trade secrets/non-compete agreements, sexual harassment, drug and alcohol testing, and personnel policies and manuals. She also provides counseling to employers on litigation avoidance by concentrating on preventive measures and designing strategies to ensure compliance with state and fede...

Andrew Pappas is a nimble advocate and trusted counselor whose practice focuses on appeals, complex commercial disputes, and governmental and regulatory matters. Before joining Osborn Maledon, Andrew served as general counsel of the Arizona House of Representatives, where he was the principal legal advisor to the Speaker and members of the majority caucus. In that capacity, Andrew provided legal, policy, and strategic advice on a vast range of issues, with a particular focus on elections, red...

Joe Mais is an experienced trial lawyer who has tried more than 20 jury trials, bench trials and arbitrations. He also has served as lead counsel in many significant matters that were successfully resolved before trial. He has served as lead counsel in a wide range of matters including multiple securities, intellectual property, and consumer actions, as well as contract, business tort and real estate litigation. Joe is currently ranked by Chambers as an Arizona Band One litigator, and describ...

Katherine M. Corcoran is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants. Katherine M., who practices law in Phoenix, Arizona, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katherine M. is held by other top lawyers in the same geographic and legal practice area.