New York

Amster Rothstein & Ebenstein is a New York-based IP boutique providing a full suite of services to clients in a range of industries. The firm’s recommended copyright and trademark practitioners have expertise spanning portfolio development and contentious matters. The firm is also adept at dealing with patent matters, including prosecution and proceedings before the PTAB. The firm represents businesses of all sizes, from startups to Fortune 500 companies.

The firm’s standout practitioners are Daniel Ebenstein, Anthony Lo Cicero and Charles Macedo, all of whom have experience in a wide variety of IP matters. Lo Cicero is managing partner of the firm with a practice focus in the patent and trademark areas. He assists clients with IP counseling, trademark protection, brand development and enforcement strategies. Macedo is an experienced IP litigator with experience in matters related to Bitcoin and Alt-coins, green energy and power, among other areas. Ebenstein’s diverse practice encompasses all areas of IP litigation, transactions and strategic counseling.

Arnold & Porter's New York IP group is notable for its capabilities in patent and trademark litigation, earning highly recommended status this year in these areas. The firm has also expanded its practice in the copyright area with the recent addition of IP attorneys.

Key practitioners in the patent area include David Barr, David Benyacar, Daniel DiNapoli and Aaron Stiefel. The group is well-versed in patent litigation, with a particular emphasis on pharmaceutical disputes.  In trademark and copyright, the firm is supported by partners Louis Ederer, Dori Hanswirth and Paul Llewellyn. The team specializes in an array of services, including prosecution and enforcement.

For the group’s standout year of representations, Arnold & Porter was chosen by Managing IP for the United States Life Sciences IP Litigation Firm of the Year Award in 2021. The firm was also shortlisted for the US Transactions Firm of the Year award.

Cowan Liebowitz & Latman is an IP firm well known for its expertise in the trademark and copyright areas. The firm is highly recommended in New York for copyright, trademark prosecution and litigation. Clients of the firm span industries such as sports, technology, fashion and food, among other areas.

Key practitioners at the firm include Richard Mandel, Deborah Squiers, Jonathan King, Maryann Licciardi and Joel Karni Schmidt. Mandel and King are well-versed in IP litigation in federal courts and before the TTAB. Squiers handles both trademark prosecution and litigation for clients across industries

Notable representations include Barclay’s, J Crew, Sony Pictures and Target.

In 2021, the firm was shortlisted by Managing IP for the Trademark Prosecution Firm of the Year in the Northeast award.

Debevoise & Plimpton is highly recommended in New York for trademark litigation, a practice that earns a national reputation for its IP trial lawyers. The firm is also notable in the state for its copyright practice.

Key practitioners at the firm are IP litigation group chair David Bernstein and partner Megan Bannigan, who are both deeply focused on high-stakes trademark litigation. The firm has a reputation for handling noteworthy, “bet-the-brand” cases. Clients of the firm include Bank of America, Costco and WeWork.

In 2021, the firm was shortlisted by Managing IP for the Trademark Contentious Firm of the Year in the Northeast award. The firm won the US Trademark Contentious Firm of the Year award.

Litigation boutique Desmarais earns top ranking in New York for patent litigation, supported by a notable team of trial-tested attorneys. The firm has more than 60 attorneys focused on patent litigation. While Desmarais is well known for its activity in hi-tech patent disputes, the firm also continues to expand in the life sciences industry.

Key practitioners of the firm include founder John Desmarais, Paul Bondor, Bindu Donovan, Alan Kellman, Todd Krause and Jonas McDavit. The group is active in patent matters in federal court, the ITC and PTAB. Additionally, the firm uses a flexible approach to cost with its established use of alternative fee arrangements. Clients of the firm include Apple, Cisco, GlaxoSmithKline, IBM and Keygene.

The firm was shortlisted for multiple awards by Managing IP in 2021, including Patent Contentious Firm of the Year in the Northeast and US Specialty IP Firm of the Year.

Fish & Richardson is recognized across practice areas in New York, earning top ranking for patent litigation and prosecution, as well as recommended status for its work in copyright and trademark prosecution.

Key practitioners in the New York office include Edmond Bannon, Kristen McCallion and Robert Sullivan. Sullivan is managing partner of the office, with more than three decades of experience handling patent disputes. McCallion is firmwide chair of the copyright practice group. She focuses her practice on copyright, trademark, trade dress and unfair competition disputes for clients across industries, as well as IP counseling. Bannon has experience in patent litigation in district courts and the Federal Circuit.

The firm was shortlisted for multiple awards by Managing IP in 2021, including US Patent Prosecution Firm of the Year, US Patent Contentious Firm of the Year, and US PTAB Firm of the Year. The firm won US ITC Firm of the Year and US Specialty IP Firm of the Year.

New York IP firm Fross Zelnick Lehrman & Zissu is highly recommended for its copyright, trademark litigation and prosecution practices. The firm’s full suite of services is bolstered by its strong command of international IP law and extensive network of foreign associates. In addition to the firm’s well-established trademark and copyright expertise, Fross Zelnick is notable for its offering in design patents and transactions.

Key practitioners include Lawrence Apolzon, Cara Boyle, David Donahue, Nadine Jacobson, Barbara Solomon and Allison Strickland Ricketts.

Clients of the firm include DC Comics, Mondelez Canada and Warner Bros Entertainment.

For the firm’s continued strength as counsel to many major brands, the firm was named 2021 Trademark Prosecution Firm of the Year in the Northeast by Managing IP.

Greenberg Traurig's New York office provides a full suite of IP services, including patent and trademark litigation, IP prosecution and transactions. The firm is highly recommended for trademark prosecution and contentious matters and is also recommended for its copyright practice.

Key practitioners in New York include Jonathan Ball, Scott Bornstein, David Greenberg, Allan Kassenoff, Richard Pettus and Joshua Raskin. Bornstein is co-managing partner of the New York office and co-chair of the global IP and technology group. He is well-versed in patent litigation, often representing generic pharmaceutical makers.

Haley Guiliano acts in all areas of patent and trademark procurement, counselling, as well as in defending and enforcing patents before courts and administrative agencies.  The firm is recommended for its patent prosecution practice.

Key practitioners include named partner James Haley who has focused his practice on the worldwide procurement, defense and enforcement of patents in the biotechnology, biopharmaceutical, pharmaceutical and chemical industries.

Recent clients include Agene Bio, AbbVie, Tonix Pharmaceuticals, Ablexis, Intri-Plex Technologies and ChromaDex.

Hunton Andrews Kurth is recognized for its ability across IP practice areas, most notably in patent and trademark prosecution, where it earns highly recommended status in New York. The firm also earns recognition in the state for its offering in copyright, patent and trademark litigation.

Key practitioners include John Flock, who serves as co-chair of the IP group. He contributes more than 35 years of experience in IP law. Rosini has experience in several legal areas, most notably in trademark, copyright and unfair competition law.

Jenner & Block is recognized for its copyright and entertainment litigation practice, earning a highly recommended ranking in the space. The firm's client base is made up of media and entertainment companies, authors and publishers and artists and composers.

Key practitioners in New York include Andrew Bart and Susan Kohlmann. Bart – who co-chairs the firm's content, media and entertainment practice – handles matters for clients in the entertainment industry, especially film studios, recording companies, music publishers and artists. He has extensive experience in copyright infringement disputes, music copyright claims and issues regarding copyright termination and joint authorship. Kohlmann chairs the firm's trademark practice group and advises clients on a variety of matters relating to trademarks and copyright. Kohlmann’s experience encompasses jury and bench trials, arbitrations and appeals in the New York appellate courts.

Kilpatrick Townsend & Stockton's New York IP group is highly recommended in the areas of copyright, trademark litigation and prosecution. The team offers services in portfolio management, counseling, registrations, transactions, franchising, office proceedings and litigation.

Key practitioners in the office include Marc Lieberstein, David Mayberry, Georges Nahitchevansky, Lisa Pearson, Jason Vogel, Frederick Whitmer and Christopher Woods. Mayberry is an experienced litigator and co-chair of the firm’s copyright and trademark practice group. Pearson is one of the firm’s leading IP litigators, boasting a significant case record in copyright, trademark and unfair competition suits. Lieberstein co-chairs the firm’s franchise group and retail and consumer goods industry team. He is one of the firm’s experts on brand-oriented transactions.

In 2021, the firm was shortlisted by Managing IP for the Trademark Prosecution Firm of the Year in the Northeast, US Trademark Prosecution Firm of the Year, US Trademark Contentious Firm of the Year, and US Copyright Firm of the Year awards. The firm won US Patent Prosecution Firm of the Year.

King & Spalding is highly recommended in New York for its capabilities in copyright and patent litigation. The firm also has a significant offering in the trademark contentious area for which it is recommended.

Key practitioners in New York include Bruce Baber, Gerald Flattmann and Kathleen McCarthy. Baber, who also practices in Georgia, is one of the founding partners of the firm’s IP group, offering significant experience in a copyright, patent and trademark matters. Flattmann is now global chair of the life sciences patent litigation practice. He focuses on litigation and post-grant work for clients in the pharmaceutical and biopharma areas. In the trademark and copyright area, Kathleen McCarthy is one of the firm’s leading practitioners. She specializes in federal court disputes and TTAB proceedings.

In 2021, the firm was shortlisted by Managing IP for the US Copyright Firm of the Year award.

Kirkland & Ellis receives top marks in New York for its litigation capabilities in copyright, patent and trademark matters. The team is well-versed in matters that go to trial and is frequently active in appellate matters before circuit courts.

Key practitioners in the patent group are Gregory Arovas, Leora Ben-Ami and Patricia Carson. Arovas has a strong reputation in the patent area for his representation of clients in the hi-tech industry. He is also experienced in trade secrets disputes. Ben-Ami and Carson are two of the firm’s top life sciences litigators, often handling complex disputes for clients in the pharmaceutical and biotechnology sectors.

The firm’s renowned trademark and copyright group is supported by litigators Dale Cendali and Claudia Ray, who are often active in some of the market’s most high-profile IP cases. Cendali is head of the firm’s copyright, trademark, Internet and advertising group.

The firm received multiple awards from Managing IP in 2021, including Trademark Contentious Firm of the Year for the Northeast, and US Patent Contentious Firm of the Year. The firm was also shortlisted for the US Trademark Contentious Firm of the Year, US Appellate Firm of the Year, and US ITC Firm of the Year awards.

IP firm Ladas & Parry earns highly recommended status in New York for its prosecution capabilities, both in the patent and trademark areas.

Key practitioners at the firm include Bharati Bakshani, Lanning Bryer, Ralph Cathcart, Janet Cord and Dennis Prahl. Bakshani services clients in trademark strategy and enforcement in addition to her role as trademark prosecution manager for the New York team. Cathcart is one of the firm’s leading IP litigators with significant experience handling disputes in federal courts and the TTAB. Prahl focuses on trademark and copyright counseling, rights of publicity and privacy and transactions. In patent, Janet Cord focuses on prosecution and strategy for clients in a range of industries, including biotechnology, pharmaceutical and medical device. Lanning Bryer is an expert practitioner in the IP transactions area, emphasizing mergers, acquisitions, licensing and IP transfers.

Lex Lumina is a New York-based law firm founded in 2021 by former O'Melveny & Myers attorney Rhett O Millsaps II and IP scholar Christopher J Sprigman. 

In New York, Loeb & Loeb is highly recommended for its copyright practice, which supports a host of media and entertainment clients. The firm is also notable for its trademark litigation capabilities, for which it earned recommended ranking.

Key practitioners in New York are Barry Slotnick, Mark Waddell and Jonathan Zavin. Slotnick is the IP and entertainment litigation chair, focused on trademark and copyright disputes, privacy and rights of publicity and licensing matters. Zavin is another partner well-versed in copyright and trademark litigation, often for film studio and music publishing clients. Mark Waddell contributes to the firm’s patent offering as a noted practitioner in litigation and prosecution. He currently serves as co-chair of the firm’s life sciences industry group.

For the firm’s significant national practice, Loeb & Loeb was chosen by Managing IP in 2021 for the US Copyright Firm of the Year award. The firm was also shortlisted for the US Transactions Firm of the Year award.

Mayer Brown has a full-service IP offering and in New York boasts a significant practice focused on different areas of litigation. The firm’s recommended robust copyright practice is focused on music rate-setting cases and other media disputes. The firm is also recommended for its patent contentious practice, often representing clients in the life sciences sector.

Notable practitioners in New York include Lisa Ferri and John Mancini. Ferri is co-head of the firm's global IP group and is versed in patent litigation in the life sciences sector. John Mancini's practice is focused on prosecution and litigation in a number of areas, particular in the copyright and trademark space.

Orrick Herrington & Sutcliffe is well-known for its strength in patent and trademark litigation, for which it is recommended. Notable practitioners in the office include Alex Chachkes and Joshua Rosenkranz. Rosenkranz is one of the country’s leading appellate practitioners, with a substantial history handling IP-related disputes at the Federal Circuit and US Supreme Court. He currently heads the firm’s appellate practice. Alex Chachkes litigates complex IP matters, with a particular emphasis on patent actions.

Patterson Belknap Webb & Tyler is recommended in New York for its capabilities in copyright and patent litigation. The patent group is noted for its emphasis on clients in the pharmaceutical and biopharma areas.

Key practitioners include Robert LoBue, Lewis Popovski and Frederick Warder. Popovski’s patent practice spans a diverse array of technology areas, including optical and electro-optical communication devices and systems, and microprocessors. For copyright and trademark work, Robert LoBue has significant experience as a litigator often for clients in the media industry. He is past co-chair and managing partner of the firm.

Paul Hastings is highly recommended in New York for patent litigation, supported by its high level of activity in the life sciences sector.

Key practitioners in the New York office include Eric Dittmann, Chad Peterman, Preston Ratliff and Bruce Wexler. Wexler is a life sciences patent litigator in the IP group, serving as the firm’s industry leader for the area. Ratliff is litigation chair for the New York office, focusing his practice on patent disputes for clients in multiple industry sectors.

Proskauer Rose's New York IP practice consists of copyright, false advertising and trademark, non-compete and trade secrets, patent law and privacy and data security sub-practices. The firm is highly recommended for copyright and trademark litigation in the state. It is also recommended for its practice in patent and trademark prosecution matters.

The firm’s IP team is supported by notable practitioners Brendan O’Rourke, Charles Sims and Sandra Crawshaw-Sparks. O’Rourke is current co-chair of the false advertising and trademark group. He has tried numerous cases involving trademark, trade dress, unfair competition, false advertising and copyright claims. Sims is experienced in copyright, First Amendment and defamation cases. He has significant trial and appellate expertise. Crawshaw-Sparks is active in the copyright and entertainment area.

Litigation boutique Quinn Emanuel Urquhart & Sullivan is highly recommended in New York for all contentious areas, including copyright, patent and trademark.

In the patent area, key practitioners at the firm include Steve Cherny, Raymond Nimrod, Nick Cerrito and Colleen Tracy James. The group is highly active for pharmaceutical clients in Hatch-Waxman litigation and other disputes in the life sciences area. Cerrito is current co-chair of the firm’s United States life sciences industry group. Clients in this area include Allergan, Bio-Rad, Dow Chemical, Forest Laboratories, Merck and Pfizer.

In the trademark and copyright group, clients include Boy Scouts of America, Gucci, HomeAdvisor and Vimeo.

Schulte Roth & Zabel strengthened its IP practice in New York by hiring a team of patent litigators led by Timothy Gilman and Chris Gerson, who joined as partners in 2023. Other notable IP lawyers in the practice are Alexander M Kim and Scott M Kareff.

Skadden Arps Slate Meagher & Flom is recommended in New York for its practices in patent and trademark litigation. The firm also counsels on all manner of IP transactions, including negotiating and drafting licensing agreements, and M&A. Their IP litigation group handles patent, trade secret, copyright, trademark, IP-antitrust and other areas across a broad spectrum of industries.

Key practitioners at the firm include Anthony Dreyer, Bruce Goldner, Douglas Nemec and Stuart Levi. Goldner and Levi are co-heads of the IP and technology transactions practice in New York.

Venable is highly recommended in New York for multiple practice areas, including patent litigation, and patent and trademark prosecution. The firm also has a notable practice focused on copyright and trademark litigation.

The office’s deep bench of patent litigators includes John Carlin, Dominick Conde, John Murnane, Scott K Reed, Michael Sandonato, William E Solander and Ha Kung Wong. Conde serves as co-chair of the firm’s IP group, and is one of the firm’s expert litigators focused on life sciences matters. He is well-versed in district court Hatch-Waxman disputes, as well as proceedings before the PTAB. Solander, Reed and Sandonato co-chair the IP litigation group. Reed and Solander specialise in life sciences litigation, while Sandonato brings experience in hi-tech. Alicia Russo is one of the firm’s leading patent strategists, specializing in portfolio development, due diligence, licensing and office proceedings. She is co-chair of the IP transactions practice.

Weil Gotshal & Manges earns top ranking in New York for its copyright and patent litigation teams and is recommended for trademark litigation. Much of the firm’s IP transactions team is also housed in the New York office, a practice area which the firm is ranked nationally. Clients of the firm include Campbell Soup, eBay, Ethicon, Houghton Mifflin Harcourt and Sanofi.

Key practitioners include Michael Epstein, Jeffrey Osterman, Charan Sandhu, Randi Singer and Elizabeth Weiswasser. Weiswasser is patent litigation group co-head and one the firm’s experienced trial lawyers focused on life sciences IP disputes. Epstein heads the technology and IP transactions group, offering deep expertise on complex deals. Singer is a standout in the copyright and trademark group who specializes in in Lanham Act claims, secondary liability issues and infringement disputes, among other areas.

For the firm’s significant client work in 2021, Weil Gotshal & Manges was shortlisted by Managing IP for the US Copyright Firm of the Year, US Life Sciences IP Litigation Firm of the Year, and US Transactions Firm of the Year awards.

Winston & Strawn continues to be recognized in copyright, patent and trademark litigation. The firm is especially noteworthy in the copyright area in New York, this year maintaining a highly recommended ranking for its practice.

Key practitioners in New York include Michael Elkin and Pejman Sharifi. Elkin is former chair of the firm’s copyright practice and current firmwide vice chairman. He is well-versed in high-profile cases for entertainment and digital media companies. Sharifi has significant experience in patent counseling, including providing invalidity and non-infringement opinions and developing patent clearance strategies.