Atty. Jonathan P. "Jon" Soifer
Jonathan P. Soifer is a top attorney recognized by Best Lawyers in the practice area(s) of Copyright Law, Litigation - Intellectual Property, Patent Law and Trademark Law.
Profile Summary
About Jonathan P. "Jon" Soifer at a glance
Jonathan P. "Jon" Soifer is a trademark, copyright, and ip attorney based in Clayton, Missouri, practicing at Sandberg Phoenix & von Gontard PC. Educated at Washington University in St. Louis (J.D., 1989). Recognitions include Best Lawyers in America — Copyright Law (2026), Best Lawyers in America — Litigation - Intellectual Property (2026), and Best Lawyers in America — Patent Law (2026). Serands clients in Clayton, MO and the surrounding metropolitan area.
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About
- Jonathan P. Soifer is a top attorney recognized by Best Lawyers in the practice area(s) of Copyright Law, Litigation - Intellectual Property, Patent Law and Trademark Law
- Jonathan P., who practices law in Clayton, Missouri, has been recognized since 2014
- This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jonathan P. is held by other top lawyers in the same geographic and legal practice area
Practice Areas Explained
Jonathan P. "Jon" Soifer's Areas of Practice
Each practice area below reflects the types of cases Jonathan P. "Jon" Soifer handles, with a brief overview of what that area of law covers.
Jonathan P. "Jon" Soifer is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in Missouri →
Jonathan P. "Jon" Soifer is one of 17,495 copyright attorneys indexed nationally. Browse copyright attorneys in Missouri →
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Jonathan P. "Jon" Soifer is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Missouri →
Jurisdictional Context
Why local counsel matters in Missouri
Practicing law in Missouri. Legal matters in Missouri are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Clayton are typically filed in the local municipal court or the appropriate Missouri state district court, depending on subject matter and amount in controversy. An attorney licensed in Missouri brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Missouri courts without local counsel or pro hac vice admission.
Looking for additional Missouri attorneys? Browse all attorneys in Clayton or all attorneys in Missouri.
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