Atty. Frank V. Derosa

Atty. Frank V. Derosa

Frank V. Derosa is a lawyer practicing patent application, intellectual property, patent prosecution.

Locust Valley Locust Valley 31 yrs experience 31 year
Call (917) 997-5987 Book Appointment

Profile Summary

About Frank V. Derosa at a glance

Frank V. Derosa is a Senior Counsel based in Locust Valley, New York, practicing at Ryan, Mason & Lewis, LLP. They have 31+ years of legal experience, licensed to practice since 1995. Their practice focuses on patent and ip. Admitted to practice in New Jersey (1995) and New York U.S. District Court, Eastern District of New York U.S. District Court, District of New Jers (1996). Educated at St John's University School of Law (JD, 1994) and Manhattan College (B.E.E.E. Manhattan, 1989). Serands clients in Locust Valley, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Frank V. Derosa is a lawyer practicing patent application, intellectual property, patent prosecution
  • Frank received a degree from Manhattan College in 1989, and has been licensed for 31 years
  • Frank practices at Ryan, Mason & Lewis, LLP in Locust Valley, NY

Practice Areas Explained

Frank V. Derosa's Areas of Practice

Each practice area below reflects the types of cases Frank V. Derosa handles, with a brief overview of what that area of law covers.

Patent Law

Frank V. Derosa is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in New York →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Frank V. Derosa is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in New York →

Jurisdictional Context

Why local counsel matters in New York

Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Locust Valley are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York 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 New York courts without local counsel or pro hac vice admission.

Looking for additional New York attorneys? Browse all attorneys in Locust Valley or all attorneys in New York.

Frequently Asked

Common questions about Frank V. Derosa

Where is Frank V. Derosa's law office located?
Frank V. Derosa's law practice is located in Locust Valley, New York. The firm is Ryan, Mason & Lewis, LLP. You can contact the office directly through this profile page.
What practice areas does Frank V. Derosa handle?
Frank V. Derosa focuses on patent, ip. Each practice area listed reflects experience handling cases of that type in New York.
How long has Frank V. Derosa practiced law?
Frank V. Derosa has 31+ years of legal experience and has been licensed since 1995.
Where did Frank V. Derosa go to law school?
Frank V. Derosa earned their education at (JD, 1994); (B.E.E.E. Manhattan, 1989).
How can I contact Frank V. Derosa for a consultation?
You can contact Frank V. Derosa directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

JD
St John's University School of Law
- 1994
B.E.E.E. Manhattan
Manhattan College
- 1989

Bar Admissions

New Jersey
Admitted: 1995
New York U.S. District Court, Eastern District of New York U.S. District Court, District of New Jers
Admitted: 1996

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