Intellectual Property: Patent
1 Ranked Lawyer
Firm PROFILE
O'Reilly IP
USA 2026
Rankings
Leading firm in USA 2026
Ranked Department
Ranked Department
Ranked Individual
Ranked Individual
Top figures
2013
Established Year
Content provided by O'Reilly IP
Overview
Provided by O'Reilly IP
O’Reilly IP PLLC is a New York intellectual property boutique handling complex patent litigation, technology disputes, and strategic IP counseling. The firm is known for practical, hands-on advocacy in high-stakes matters involving patents, product disputes, discovery, and portfolio strategy.
Industry sectors (2)
- Life Sciences
- Technology
Capabilities (2)
- Patent Litigation
- Business Litigation
Clients (3)
- Tempur Sealy
- Innoviva
- Conglom
Key people
Provided by O'Reilly IP
Brian O'Reilly
Partner
Leslie Kushner
Partner
Work & experience
Provided by O'Reilly IP
O’Reilly IP handles complex IP and commercial disputes, with particular strength in patent litigation, life sciences, inventorship, trade secret, trademark, copyright, licensing, and due diligence matters. The firm’s experience spans trial, summary judgment, appeals, and strategic counseling, and includes recent successes such as a $278 million federal court judgment in an insulin licensing dispute and summary judgment invalidating a patent for improper inventorship.
Notable work
Provided by O'Reilly IP
Summary Judgment -- Inventorship
2025Ongoing
Summary Judgment and Sanctions
2025Ongoing
Ranked Offices at O'Reilly IP
Provided by O'Reilly IP
Ranked Departments at O'Reilly IP (1)
Ranked Individuals at O'Reilly IP (1)
New York
Brian O'Reilly
Intellectual Property: Patent
View profile
Top figures
2013
Established Year
Content provided by O'Reilly IP
What success is built on
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