🏛️ Complete Guide to NYC Patent Prosecution & IP Law Firms

Consistently ranked as the #1 IP boutique in the United States, Desmarais specializes in high-stakes patent litigation with an impressive track record in complex technology disputes. The firm represents Fortune 500 companies and major technology innovators.

Founded in 1957, Cowan DeBaets Abrahams & Sheppard (formerly Cowan, Liebowitz & Latman) is one of NYC's most established IP boutiques, offering comprehensive intellectual property services including patents, trademarks, copyrights, and IP litigation.

With approximately 50 attorneys, Fross Zelnick is one of the nation's premier trademark and brand protection firms. They represent major global brands in trademark prosecution, enforcement, and litigation.

A prominent NYC firm with a robust IP practice group handling patent litigation, trademark disputes, copyright matters, and trade secret protection across diverse industries including technology, pharmaceuticals, and entertainment.

One of the oldest IP firms in the US (founded 1879), Kenyon & Kenyon focuses exclusively on intellectual property law with deep expertise in patent prosecution, litigation, and strategic IP counseling for technology companies.

Goodwin's NYC office houses a significant IP practice focusing on patent prosecution and counseling for life sciences, technology, and emerging growth companies, with particular strength in biotech and pharmaceutical patents.

A leading IP firm with strong international capabilities, Ladas & Parry provides comprehensive patent and trademark services with particular expertise in global IP portfolio management and foreign filing strategies.

A sophisticated IP boutique known for high-stakes patent litigation and prosecution, particularly in electronics, software, telecommunications, and mechanical technologies.

A respected IP boutique providing strategic patent prosecution, freedom-to-operate analyses, and litigation support with a focus on building and protecting valuable patent portfolios.

A well-established IP firm offering comprehensive services in patent prosecution, trademark registration, IP litigation, and licensing across diverse technology sectors.

One of the largest IP specialty firms in the US with significant NYC presence, offering comprehensive patent services with deep technical expertise across electronics, software, biotechnology, and mechanical engineering.

Based in White Plains with strong NYC connections, Leason Ellis provides full-service IP representation with particular strength in patent prosecution for mechanical, electrical, and software technologies.

A boutique firm focusing on patent prosecution with attorneys holding advanced technical degrees in engineering, chemistry, biology, and computer science.

A highly regarded IP specialty firm with NYC presence, known for sophisticated patent prosecution, PTAB proceedings, and strategic IP counseling for technology and life sciences companies.

A boutique IP firm serving startups, small businesses, and mid-sized companies with personalized patent and trademark services at competitive rates.

A major law firm with a substantial IP practice group in NYC, handling complex patent prosecution and litigation matters, particularly in pharmaceuticals, biotechnology, and medical devices.

Specializes in patent prosecution with particular expertise serving universities, research institutions, and technology transfer offices.

A patent-only boutique with NYC presence, known for high-volume patent prosecution with particular strength in software, electronics, and computer-implemented inventions.

An IP specialty firm with NYC office providing patent prosecution, litigation, and strategic counseling services across diverse technical fields.

A full-service firm with a robust IP practice in NYC handling patent prosecution, trademark matters, and complex IP transactions for technology and life sciences clients.

A modern trademark boutique that has registered over 8,000 trademarks, known for efficient service, transparent pricing, and expertise serving startups and growing businesses.

A major international firm with a significant trademark and brand protection practice in NYC, serving Fortune 500 companies and major consumer brands.

A premier boutique firm focusing on trademark, copyright, advertising, and brand protection law, serving media, entertainment, fashion, and consumer products companies.

A leading boutique firm with deep expertise in trademark, copyright, advertising law, and brand protection, particularly for media and entertainment clients.

An elite law firm with a sophisticated trademark and brand protection practice serving luxury goods, fashion, and consumer products companies in complex disputes.

A leading firm for technology startups and venture-backed companies, providing comprehensive IP services including patent prosecution, portfolio strategy, and IP due diligence.

Premier technology law firm with robust IP practice serving emerging growth companies, with particular expertise in software, biotechnology, and medical device patents.

A top technology law firm with IP practice serving startups and established technology companies in patent prosecution, portfolio development, and IP strategy.

A major firm with significant technology IP practice handling patent prosecution, trademark matters, and IP litigation for software, telecommunications, and internet companies.

Known for exceptional life sciences IP practice, Mintz handles patent prosecution, freedom-to-operate analyses, and IP strategy for biotechnology, pharmaceutical, and medical device companies.

A premier IP firm with over 150 attorneys, providing comprehensive patent and trademark services with particular strength in biotechnology, pharmaceuticals, and medical devices.

A prestigious NYC firm with approximately 200 lawyers and a robust IP practice handling high-stakes patent litigation, trademark disputes, and strategic IP counseling.

An IP boutique with NYC presence known for pharmaceutical patent litigation, Hatch-Waxman matters, and life sciences patent prosecution.

A regional firm with strong IP practice serving the NYC metropolitan area, providing comprehensive patent, trademark, and copyright services.

A prominent regional firm with significant IP practice serving NYC and surrounding areas, focusing on technology patents, IP licensing, and strategic counseling.

A major NYC firm with sophisticated IP litigation and trademark practice, particularly strong in media, entertainment, and sports-related IP matters.

A global firm with strong NYC IP practice handling patent litigation, prosecution, and strategic IP counseling for technology and life sciences companies.

An elite law firm with sophisticated IP litigation and prosecution capabilities, handling high-stakes patent disputes and strategic portfolio development.

A major international firm with robust IP practice in NYC, focusing on complex patent litigation, Hatch-Waxman cases, and pharmaceutical patent prosecution.

A full-service firm with significant IP practice handling patent prosecution, litigation, and strategic counseling across diverse technology sectors.

A boutique firm actively recruiting and serving small businesses and startups with personalized patent and trademark services.

A modern IP boutique focusing on patent prosecution and strategic IP counseling for technology startups and emerging companies.

A boutique IP firm providing comprehensive patent, trademark, and copyright services with a focus on personalized client service.

Solo practitioner providing affordable patent and trademark services to individual inventors, startups, and small businesses.

A small boutique firm offering personalized IP services with competitive pricing for individuals and small businesses.

Boutique practice specializing in patent prosecution and IP strategy for technology companies and independent inventors.

A major firm with growing NYC IP presence, focusing on patent prosecution and litigation for life sciences and technology clients.

A full-service firm with IP practice in NYC providing patent, trademark, and IP licensing services.

An international firm with IP practice in NYC handling patent and trademark matters with a focus on litigation.

A growing firm with IP capabilities in NYC serving clients across technology, life sciences, and consumer products industries.

A major firm with NYC IP practice handling patent prosecution, litigation, and strategic counseling.

A regional firm serving the NYC metro area with comprehensive IP services including patents, trademarks, and litigation.