About HG Law LLP
HG Law, which the OCA registry lists as Haley Guiliano LLP, is an intellectual property firm focused on patent work. Its practice grew out of a patent group that was spun off from Ropes & Gray LLP. The firm handles global patent prosecution, patent portfolio management and strategy, patent litigation, post-grant proceedings before the USPTO, opposition practice before the EPO, third-party patent analyses, and IP due diligence for M&A. The firm states that it serves companies spanning emerging startups and major global enterprises.
The firm operates offices in London, New York and Silicon Valley. Its New York office is at 75 Broad Street in Manhattan, and a directory lists the firm as a partnership founded in 2017. Sources differ on the headquarters: some list New York, while others list San Jose, California.
| Type | Law firm |
|---|---|
| New York offices | New York City |
| Phone | +1 646 973 2500 |
| Website | hglaw.com |
| Registered NY attorneys | 5 |
Practice areas
Areas of work that HG Law LLP describes on its own website. They describe the organization as a whole, not the practice of any individual attorney listed below.
Organization profile based on its official website and public sources (reviewed October 30, 2026). Attorney list from the New York State Unified Court System registration data. Not affiliated with HG Law LLP.
Registered attorneys
James Leiz Currently registered Brian Beck Currently registered Joseph Mcpartland Currently registered Ariel Diamond Currently registered Anthony Boiano Currently registeredRegistration status can change at any time. Confirm any attorney's current status through the official New York Attorney Search.