United States (National)

Adams and Reese is a regional law firm with offices located throughout the Southern United States and in Washington, DC. The firm has active practices in anti-counterfeiting, as well as patent and trademark litigation. The firm serves Fortune 100 brands, and is active in a variety of industries, including government and manufacturing. 

For over three decades, Adduci, Mastriani & Schaumberg was highly recommended for its expertise in ITC and trade law work, especially Section 337 investigations. The DC-based firm was also recognised for patent litigation. Name partner Tom Schaumberg left the firm in 2022, a move which made the firm rebrand as AMS Trade. A team of lawyers including partners Deanna Tanner Okun, Louis S Mastriani, Daniel F Smith, Lauren E Peterson and Lydia C Pardini left the firm in January 2023. At the time of writing, founding partner V James Adduci II was not featured on the firm's website.

Armond Wilson is a California-based IP boutique specializing in patent, trademark and trade secret litigations, IPRs and Federal Circuit appeals. The firm is headed by partners Michelle Armond and Douglas Wilson. Michelle Armond is experienced handling patent disputes related to electronics, medical devices, and consumer and household goods. Wilson specializes in an array of technical fields and offers deep trial expertise in IP. 

Barnes & Thornburg and its practitioners are recognised in a number of states including North Carolina, Minnesota, Massachusetts, Illinois and Indiana. Trade mark lawyer Julia Gard leads its IP practice.

IP boutique Brooks Kushman advises clients on all IP issues, covering a host of industry sectors, including the automotive area. The firm is highly recommended for its practice in patent prosecution and litigation, and is also recommended for trademark matters.

Key practitioners include Frank Angileri, Elizabeth Janda, John LeRoy, Marc Lorelli, Sangeeta Shah and Mark Cantor.

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

In 2023, international law firm Bryan Cave Leighton Paisner (BCLP) strengthened its patent prosecution, transactional and ITC Section 337 practices by hiring IP Star Song Jung and a team of 14 IP practitioners, including five patent partners, from Dentons. The partners are Mark Kresloff, Bumrae Cho, Yong Choi, Tyler Goodwyn and Bruce Vance.

Buchanan Ingersoll & Rooney and RatnerPrestia announced their merger in November 2023. According to the firm's press release, the IP boutique's practitioners will join Buchanan’s IP teams in Philadelphia, Wilmington, and Washington, DC. 

Cooley is an international firm with key US offices in Palo Alto, San Francisco, Los Angeles, San Diego, New York, Boston, and Washington DC. The firm is nationally ranked in multiple practice areas, including IP transactions, copyright, patent litigation, trademark litigation, patent prosecution and trademark prosecution.

Cozen O’Conner is a US-based firm with key locations in New York, Pennsylvania, Florida, Washington, and Washington DC. The firm's IP department houses practitioners with expertise across a variety of industries and technologies. The firm advises on all aspects of patent, trademark, and copyright matters.

Crowell & Moring is recommended for IP protection and disputes work. The firm has offices across the country, with IP teams in states like Illinois and Indiana. Brinks Gilson & Lione joined the firm in July 2021. Patent attorney Gustavo Siller and commercial litigator Cheryl A Falvey lead the firm's IP practice.

Dentons has an IP practice in the US, with recognised practitioners in jurisdictions such as Illinois, District of Columbia, Indiana, and New Jersey. New York-based transactional IP lawyer Monica Richman serves as the global chair of its IP practice.

Desmarais is a national IP boutique primarily based in New York, with other locations in Los Angeles and Washington DC. The firm has a top-tier ranking in the United States for patent litigation. An emerging area for the firm is PTAB litigation.

With six offices throughout Michigan, Dickinson Wright has one of the most extensive IP practices in the state, with additional key locations in Washington DC, Fort Lauderdale, Silicon Valley, Las Vegas, Phoenix and Austin. Practitioners at the firm advise clients on patent, trademark and copyright matters. The firm is highly recommended for its practice in patent prosecution, and is also recommended for its practice focused on patent litigation and trademark matters.

Key practitioners include John Artz, William Honaker, Daniel Quick and Jennifer Ko Craft.

DLA Piper has an expansive geographic footprint in the US and is ranked nationally for IP protection and disputes. Dubai-based TMT/IP lawyer Paul Allen and patent litigator Sean Cunningham lead the firm's global IP practice. Cunningham also leads the firm’s IP & Technology practice group in the US.

Life sciences patent lawyer Lisa Haile and trade mark specialists Keith Medansky and Ann Ford are among the leaders in the firm. Medansky leads the firm's IP practice in Chicago.

Duane Morris and some of its IP lawyers are recognised in a number of states including Georgia. Louis Norwood (Woody) Jameson leads its IP practice.

Erise IP is a litigation-focused boutique with locations in Kansas and Colorado. The firm was founded by partners and shareholders Adam Seitz and Eric Buresh, and has quickly grown into a destination firm for PTAB proceedings in particular. The firm specializes in disputes involving patents, copyrights, trademarks and trade secrets, and has industry expertise in the automotive, and video gaming areas.

Finnegan Henderson Farabow Garrett & Dunner is an international IP boutique with primary US locations in Washington DC and the Northern Virginia area, as well as offices in Atlanta, Boston and Palo Alto. The firm maintains national rankings in numerous practice areas, including patent and trademark litigation.

Gibson Dunn & Crutcher is recommended for IP work in the US. Hi-tech and life sciences patent litigator Y Ernest Hsin is a leader in the firm's IP practice in California.

Goodwin Procter is recommended for IP disputes and transactions in the United States. Boston-based litigator Daryl L Wiesen is one of the leaders in the firm's IP practice.

Green Griffith & Associates is a Chicago-based IP boutique which focuses on patent litigation in the life sciences and pharmaceutical sectors. The firm’s name changed in in 2022 following the departure of Patent Star Caryn Borg-Breen. The firm is led by founders Robert Green and Christopher Griffith. They are supported by Donald J Silvert, who serves as counsel.

International firm Greenberg Traurig provides a full suite of IP services, including patent and trademark litigation, IP prosecution and transactions. The firm is recommended for trademark prosecution and contentious matters, copyright, and patent litigation, specifically in pharmaceutical disputes.

Key practitioners at the firm include Jonathan Ball, Ian Ballon, Scott Bornstein, David Dykeman, David Greenberg, Susan Heller, 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. Ballon, who specializes in copyright and entertainment matters, is also co-chair of the firm’s global IP and technology group.

Groombridge Wu Baughman & Stone was founded in 2022 by patent litigators Nicholas Groombridge, Jennifer H Wu, J Steven Baughman, and Eric Alan Stone.

Holland & Knight expanded its legal practice by combining with Thompson & Knight and Waller Lansden Dortch & Davis in August 2021 and March 2023 respectively. The merger expanded the firm's IP practice including in states such as Texas and Tennessee. Dallas-based Bruce S Sostek is one of the leaders in the practice.

Husch Blackwell is a full-service law firm with locations across the United States. The firm is recommended for IP disputes. Its key practitioners include Michael Annis, Rudy Telscher and Daniel Cohn.

California-based Irell & Manella has a strong reputation in IP litigation, earning national recognition in patent contentious matters. The firm is also recommended for its practice focused on trademark litigation.

Key practitioners in the patent group are Morgan Chu and Jason Sheasby. Chu is an internationally recognized IP litigator with a successful track record in trials and appellate matters. Sheasby is viewed as the incoming generation at the firm with similar success as an IP trial lawyer.

In 2021, the firm was shortlisted for the Patent Contentious Firm of the Year award in the West by Managing IP.

Jones Day is recognized across all IP areas in California, but most notably earns highly recommended status in the areas of patent litigation and prosecution.

Key patent practitioners include Steven Corr, Anthony Insogna, Randy Kay, Greg Lanier, and S Christian Platt. Insogna is the chair of the firm’s global IP practice and is regarded as a leading biotechnology and pharmaceutical patent attorney. Platt assists clients from the firm’s San Diego and Silicon Valley offices. He deals with various types of patent infringement disputes.

In 2020, Los Angeles IP partner Brent Sokol left the firm for Greenberg Traurig.

K&L Gates is recommended for IP work in the US. Bob Barrett is one of the leaders in the firm's IP practice.

Katten Muchin Rosenman is a US-based firm with key IP locations in New York, Chicago, and Washington DC. The firm maintains national rankings in trademark litigation and prosecution, and also has a notable life sciences-focused patent litigation team.

Notable practitioners at the firm include Karen Artz Ash, Floyd Mandell, Deepro Mukerjee and Lance Soderstorm. Ash is co-chair of the trademark, copyright and advertising group, who in her personal practice focused on trademark prosecution and licensing. Mandell co-chairs the practice group with Ash, and offers deep trademark litigation expertise. Mukerjee and Soderstorm specialize in Hatch-Waxman patent litigation, often for generic drugmakers.

Keker Van Nest & Peters has a significant IP litigation practice that is highly recommended for copyright and patent litigation matters. The firm is well-known for its team of trial-savvy attorneys who are often active for major technology clients in IP disputes. Other rankings in the state include recommended status for trademark litigation.

The firm’s notable bench of litigators includes Christa Anderson, Brian Ferrall, John Keker and Robert Van Nest. Name partners Keker and Van Nest have backgrounds as generalist litigators with a significant track record for IP disputes. Anderson’s diverse IP practice involves matters related to copyrights, patents and trademarks.

Clients of the firm include Google, Netflix, Twitter, SanDisk, Qualcomm and Arista Networks.

Kelly IP is a national IP boutique with a single office in Washington, DC. The firm has a strong reputation for trademark and copyright matters, reflected in the firms top national rankings in those areas. Kelly IP is also well-known for its expertise in TTAB proceedings.

Knobbe Martens is a national IP firm with several office on the West Coast, including Irvine, San Diego, San Francisco, and Seattle, as well as other locations in Washington, DC and New York. The firm maintains a number of national practice area rankings, some including patent and trademark prosecution, patent and trademark litigation, life sciences IP, and PTAB litigation.

Lathrop GPM is recommended for IP work, with teams in states such as Missouri and Minnesota. Its IP practice is led by Boston-based Kate Tompkins. She is supported by managing partner and IP litigator R Cameron Garrison, who is based in Kansas City.

Levi & Snotherly was founded in 2018 by patent attorney Ben Levi and Rett Snotherly. The firm, which specialises in ITC work, changed its name to Levi Snotherly & Schaumberg in 2022 following the arrival of veteran ITC lawyer Tom Schaumberg from Adduci Mastriani & Schaumberg.

Alabama-based Maynard Cooper & Gale and Carolina-based Nexsen Pruet merged in April 2023 to become Maynard Nexsen. The new firm has IP teams across the United States.

McAndrews Held & Malloy is recommended for patent litigation and prosecution work. It also has an IP team for trade mark, design patents and IP transactions work. The firm has a strong industry practice in the life sciences, device and tech sectors. Key practitioners include Wil Rao, Christopher Carani, Herbert Hart, Sharon Hwang and Edward Mas II.

McDermott Will & Emery offers a national presence in IP, with key locations in San Francisco, Silicon Valley, Los Angeles, Chicago, Washington DC, Boston and Atlanta. The firm is recognised for IP protection and disputes.

Key IP practitioners at the firm include William Gaede, Sarah Chapin Columbia, Bhanu Sadasivan, Thomas Steindler, Christina Martini, Jeffrey Toney and Jennifer Mikulina.

McKool Smith has a long-standing reputation as the go-to firm for patent trials because of its deep bench of litigators. The firm has strong expertise in electronics and telecommunications, but its team can also deal with disputes in the healthcare sector. It has offices in Dallas, Austin, Marshall and Houston, with additional locations in New York and Los Angeles. The key practitioners for patent litigation include Samuel Baxter, William LaFuze, Mike McKool and Steve Pollinger.

Mintz is recommended for IP litigation and patent protection work, with notable expertise in the life sciences sector. The firm’s IP practice is led by Michael T Renaud, who is based in Boston. 

Morrison & Foerster maintains a formidable practice across all areas of IP, including copyright, trademark and patent matters. The firm is also notable for its robust IP transactions practice.

In the patent area, key practitioners in the firm are Michael Jacobs, Catherine Polizzi, Stefani Shanberg, Michael Ward and Arturo Gonzalez.

Michael Jacobs and Arturo Gonzalez also have significant experience in the trade secrets area.

Another key practice area of the firm is IP transactions, offering a dedicated group of attorneys who handle deals related to IP and technology. Some of the leading practitioners at the firm are Rufus Pichler, William Schwartz and Stephanie Sharron.

Nelson Mullins Riley & Scarborough is a multistate firm with primary locations in the Southeast and Northeast regions of the United States. The firm currently holds rankings for its IP practices in South Carolina, North Carolina and Massachusetts.

Key practitioners employed by the firm are Mark Dukes, Susan Jackson, Craig Killen, Jane Remillard, Anthony Laurentano and Jill Gorny Sloper.

Paul Hastings has IP teams across the US states, including New York, Washington DC, Chicago, and Los Angeles. The firm earns national rankings in patent litigation and life sciences IP litigation. Also noteworthy is the firm’s expertise in trade secrets matters.

Ropes & Gray is an international with a domestic IP offering in Boston, Washington DC, New York, Palo Alto and San Francisco. The firm currently holds national rankings in IP transactions, patent litigation and PTAB proceedings. In the life sciences area the firm is particularly active, frequently engaging in patent litigation, transactions and patent strategy for biotech and pharma companies.

Key practitioners at the firm include James Batchelder, David Mcintosh, Edward Black, Scott McKeown, Steven Pepe and Filko Prugo.

Sideman & Bancroft is a San Francisco-based boutique law firm. The firm currently offers trademark and brand protection, counseling prosecution, and enforcement services to businesses with diverse trademark portfolios and significant IP enforcement issues. The firm has a total of 35 Lawyers, 18 of whom are intellectual property Lawyers. 

IP firm Sterne Kessler Goldstein & Fox offers a deep bench of attorneys versed in all areas, including patent and trademark prosecution, and litigation. In the contentious realm, the firm is particularly known for its active post-grant proceedings practice. The group also has a growing presence in the ITC space. The firm is highly recommended for their practice in patent prosecution and litigation and is also recommended for their work in trademark prosecution matters.

Key practitioners of the firm are Tracy-Gene Durkin, Eldora Ellison, Michael Ray, Robert Greene Sterne, Monica Riva Talley, Daniel Yonan, Jorge Goldstein, JC Rozendaal and Eric Steffe. Ray has a background in patent prosecution and strategy, and currently managing director of the firm. Ellison is one of the leaders in the firm’s nationally recognized PTAB practice. She has deep experience representing life sciences clients in contentious matters as well as patent prosecution. Durkin is a renowned expert in design patents. Talley is highly regarded as a trademark advisor and is currently lead of the firm’s trademark and brand protection group.

In 2021, the firm was shortlisted for the Managing IP awards for Patent Prosecution Firm of the Year for the Northeast, US PTAB Firm of the Year and US Specialty IP Firm of the Year.

Sullivan & Cromwell is recommended for IP disputes and transactions work. Dustin F Guzior and Garrard R Beeney are IP leaders in the firm.

Taft Stettinius & Hollister has an IP practice in states such as Indiana, Michigan and Ohio. The leaders in its IP practice include Jonathan G Polak, Kristine M Boylan, Jeremy Bisdorf, Stephen R Auten, John Allie and Philip R Bautista. Jaffe Raitt Heuer & Weiss became part of Taft Stettinius & Hollister in December 2022.

Venable is recommended for IP work in the US. For patent disputes, the firm has lawyers such as 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, specialising in portfolio development, due diligence, licensing and office proceedings. She is co-chair of the IP transactions practice. Another notable IP transactional lawyer is James E Nelson, who is based in San Francisco and serves as co-chair of the firm's technology, media, and commercial group.

Weil Gotshal & Manges is well-represented across practice areas, this year retaining national rankings in patent litigation, copyright and IP transactions. Key offices for the firm include New York, Washington DC, Silicon Valley and Houston.

DC-based Williams & Connolly is recognized for its exceptional reputation in contentious IP matters. The firm offers a group of talented litigators who routinely represent some of the country’s leading companies in patent litigation, for which it is highly recommended.

Standout attorneys in the practice include David Berl, Jessamyn Berniker, Paul Gaffney, Bruce Genderson and Thomas Selby. Genderson is the founder of the firm’s patent litigation practice and has significant experience as first chair in high-stakes disputes. Berl and Berniker are well-versed in life sciences patent litigation, particularly in the biopharma area. Selby specializes in complex patent disputes for clients in several industry areas. He is former co-chair of the firm’s patent litigation practice group.

This year the firm was shortlisted for the Managing IP awards for Patent Contentious Firm of the Year in the Northeast and US Appellate Firm of the Year.

Winston & Strawn is recommended for IP work in the US. 

Womble Bond Dickinson is recommended for IP work, especially patent prosecution and disputes. The firm has experienced IP teams in states such as North Carolina, California, Texas and Georgia. The firm's patent practice expanded in 2023 with the acquisition of Connecticut boutique firm Moyles IP.