Atty. Leon David Rosen
Leon David Rosen is a lawyer practicing patent law, trademark law, patent applications and 1 other area of law. Leon received a B.E.E. degree from City College of the City University of New York in 1961, and has been licensed for 64 years.
Profile Summary
About Leon David Rosen at a glance
Leon David Rosen is a Member based in Los Angeles, California, practicing at Freilich Hornbaker And Rosen P C. They have 64+ years of legal experience, licensed to practice since 1962. Their practice focuses on patent, trademark, ip, and government. Admitted to practice in California registered to practice before U.S. Patent and Trademark Office (1962) and U.S. Court of Appeals for the Federal Circuit (1962). Educated at Columbia University (LL.B., 1961) and City College of the City University of New York (B.E.E. Illinois, 1961). Recognitions include AV Preeminent. Active member of State Bar of California American Intellectual Property Law Association Los Angeles Intellectual Property Law Association. Serands clients in Los Angeles, CA and the surrounding metropolitan area.
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About
- Leon David Rosen is a lawyer practicing patent law, trademark law, patent applications and 1 other area of law
- Leon received a B.E.E. degree from City College of the City University of New York in 1961, and has been licensed for 64 years
- Leon practices at Freilich, Hornbaker & Rosen, P.C. in Los Angeles, CA
Practice Areas Explained
Leon David Rosen's Areas of Practice
Each practice area below reflects the types of cases Leon David Rosen handles, with a brief overview of what that area of law covers.
Leon David Rosen is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in California →
Leon David Rosen is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in California →
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Leon David Rosen is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in California →
Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.
Leon David Rosen is one of 132,225 government attorneys indexed nationally. Browse government attorneys in California →
Jurisdictional Context
Why local counsel matters in California
Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Los Angeles are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California 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 California courts without local counsel or pro hac vice admission.
Looking for additional California attorneys? Browse all attorneys in Los Angeles or all attorneys in California.
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