Official NY OCA attorney registration data · Updated 2026 Methodology Discipline records
Law firm

Wolf, Greenfield & Sacks, P.C.

8 attorneys in the New York State Bar registry list this organization as their firm or employer.

About Wolf, Greenfield & Sacks, P.C.

Wolf, Greenfield & Sacks, P.C. describes its practice as focused exclusively on intellectual property law, a focus it says it has maintained for close to 90 years. The firm was established in Boston in 1927. Its published client descriptions include large corporations, mid-size companies, start-ups, research universities and research institutions, and individual inventors.

The firm lists patent prosecution and litigation, post-grant proceedings including inter partes reviews, opinions and strategic counseling, licensing, IP audits and due diligence, and trademark and copyright prosecution and litigation among its services. Its New York office is at 605 Third Avenue, 25th Floor, in Midtown Manhattan. The firm says it first opened in New York City in September 2016 and later moved to that address. The New York office handles litigation, prosecution, post-grant proceedings, freedom-to-operate, licensing and diligence work. The firm reports more than 150 legal professionals across Boston, New York and Washington, DC.

TypeLaw firm
New York officesNew York, NY
Phone+1 212.697.7890
Websitewolfgreenfield.com
Registered NY attorneys8

Practice areas

Areas of work that Wolf, Greenfield & Sacks, P.C. describes on its own website. They describe the organization as a whole, not the practice of any individual attorney listed below.

Intellectual Property

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 Wolf, Greenfield & Sacks, P.C..

Registered attorneys

Robert Rigby Admitted 1991 · Boston, NY Suspended Robert Maldonado Admitted 1994 · New York, NY Currently registered Michael Rader Admitted 2001 · New York, NY Currently registered Tonia Sayour Admitted 2004 · New York, NY Currently registered Gregory Nieberg Admitted 2011 · New York, NY Currently registered Stephen Rabinowitz Admitted 1995 · New York, NY Currently registered Cassandra Baloga Admitted 2020 · New York, NY Currently registered Colin Buss Admitted 2026 · New York, NY Currently registered

Registration status can change at any time. Confirm any attorney's current status through the official New York Attorney Search.

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