United States (National)

Based in the US with offices in Texas and Tennessee, Adams & Reese handles IP matters for clients both domestic and international. The firm has a strong anti-counterfeiting practice with a team of dedicated attorneys and investigators. The team also specializes in portfolio management, IP defense strategies, and litigation services. Key clients include Fortune 500 companies, manufacturing companies, tech start-ups, and celebrity clients.

The IP team is comprised of five partners and is led by Mitch Boult.

Alston & Bird is a leading law firm based in the US with offices in California, Georgia, Washington DC, New York, North Carolina, and Texas.  Practice specialties include patent and trademark prosecution, ITC litigation, post-grant matters, and IP disputes in district court. The IP group handles IP matters for clients both domestic and abroad, and has secured notable patent results in the in the telecommunications sector.

Notable IP practitioners: Natalie Clayton, John Haynes, Theodore Stevenson III, Guy Gosnell, Michael Newton, Scott Pivnick

The IP team is led by group partners Natalie Clayton and John Haynes.

Banner Witcoff is a leading national boutique firm with key office locations in Massachusetts, Illinois, Oregon, and Washington DC. Key practices for the firm are design patents, trademarks, prosecution and litigation services, and PTAB work. The firm has clients varying across a broad range such as Fortune 500 companies to technology startups. Banner Witcoff’s trademark practice oversees over 20,000 active trademarks worldwide.

Notable IP practitioners: Marc Cooperman, Ross Dannenberg, Sarah Kagan, Robert Katz, Anna King, Frederic Meeker, Mercedes Meyer, Darrell Mottley, Pieter van Es

Barnes & Thornburg is a full-service law firm based in the US, with key offices in Indiana, Michigan, Minnesota, North Carolina and Washington DC, and other locations. The firm’s IP practice is home to over 150 professionals. The firm's IP group specializes in patent and trademark prosecution, litigation, and strategic counseling. The IP team handles over 48,000 patents and over 58,000 trademarks worldwide, and has expertise in handling post-grant matters before the PTAB.

Notable IP practitioners: Bradford Addison, Jeff Barron, Allen Baum, D Randall Brown, Christopher Dolan, Chris Hoff, Ryan Marshall, William Boudreaux, Melissa Vallone

Founded in 1983, Brooks Kushman is a full-service IP law firm based in the US. The IP team is comprised of over 60 attorneys providing a host of IP services, including litigation, patent and trademark prosecution, and post-grant proceedings. Brooks Kushman is well known for their strengths in the automotive industry, and excels in the protection of new technology entering that space.

Notable IP practitioners: Frank Angeleri, Mark Cantor, Elizabeth Janda, Robyn Lederman, John LeRoy, Marc Lorelli, Sangeeta Shah

Based in California, Bunsow De Mory is a renowned patent litigation boutique. The firm was founded by Henry Bunsow and current managing partner Denise De Mory, and is further made up of seven partners and staff. The team has deep specialization in patent disputes across fora, and also boasts expertise in trade secrets. Key industries for the firm are automotive, ssemiconductor, artificial intelligence, fintech, life sciences and telecommunications.

Notable IP practitioners: Henry Bundow, Denis de Mory, Corey Johanningmeier

Based in the US, Cantor Colburn is a full-service IP firm with offices in Connecticut, Washington DC, Georgia, and Michigan. The team is made up of 74 practitioners, and positions itself as a one-stop shop for IP solutions. The firm represents clients from a broad range of industries including pharmaceuticals, biotechnology, manufacturing, automotive, aerospace, artifical intelligence, and much more. One of the firm's key practice area offerings is patent prosecution.

Key IP practitioners: Michael Cantor, Eric Baron, Philmore Colburn, Leah Reimer, Karl Vick

Based in the US, Cooley is a national firm committed to finding innovative solutions for it clientele. Key locations for the firm include, Silicon Valley, Boston, New York, Washington DC and Reston. The firm has a broad practice area offering across the patent, trademark and copyright areas, and a varied clientele, many of which occupy the tech sector. The firm holds national rankings in PTAB litigation, patent prosecution, IP transactions, life sciences and trademark litigation.

Notable patent practitioners: Matt Pavao, Steve Smith, Bill Christiansen, Heidi Keefe, Mika Mayer, Sanya Sukduang, Michael Tuscan, Betsy Flanagan

Notable trademark & copyright practitioners: Brendan Hughes, Bobby Ghajar, JP Oleksiuk

The IP department is led by chairs Brendan Hughes who heads trademark and copyright practice, Matt Pavao who heads the patent practice, and Steve Smith who heads the IP litigation practice.

Cowan Liebowitz & Latman is known as one of the world’s leading intellectual property law and litigation firms, with a particularly strong practice in domestic and international trademark and copyright counseling, clearance, prosecution, enforcement, and litigation. In practice since 1957, this IP boutique operates out of its primary location in New York. Given the firm's deep understanding of IP issues, the firm is often involved in novel appeals for its clients, often time dealing with new precedent.

Notable IP practitioners: Jonathan King, Maryann Licciardi, Richard Mandel, Joel Karni Schmidt, Eric Shimanoff, Deborah Squiers

Dechert’s intellectual property practice offers a notable combination of IP counseling expertise and litigation prowess. The firm has a vast array of industry sector specialisms, including a comprehensive life sciences practice that entails IP and transactional services. The firm's practice area specialties span from patent litigation, patent counseling and prosecution, trademark & copyright counseling, trademark litigation, trade secret litigation, and IP licensing and transactions. Key offices for the firm include Philadelphia, New York and Boston.

Notable IP practitioners: Katherine A Helm, Noah Leibowitz, Martin J Black, Diane Siegel Danoff, Andrea Reid.

Helm Chairs the global IP practice and heads the IP litigation group.

Desmarais is one of the country’s leading intellectual property litigation firms. The firm handles complex, often technology-focused patent disputes, overseeing all stages of the litigation process. Desmarais is well known for its strength as a trial firm, many of the firm's lawyers having significant experience seeing cases to verdict. The firm's cases span a wide range of subject matter areas and technologies, and boasts capabilities across fora, including district court, ITC, Federal Circuit and the PTAB.

Notable IP practitioners: John Desmarais, Paul Bondor, Alan Kellman, Leslie Spencer, Justin PD Wilcox, Betty Chen, Peter Magic, Yung-Hoon (Sam) Ha, Tamir Packin, Kerri-Ann Limbeek.

John Desmarais is the founding partner and firm namesake. In addition to his experience in private practice, he also served as Assistant United States Attorney in the Southern District of New York. Yung-Hoon (Sam) Ha leads Desmarais’ post-grant practice before the PTAB. While Betty has two decades of experience successfully representing tech companies.

Finnegan Henderson Farabow Garrett & Dunner is a true full-service IP firm with experts in every area of IP. The firm practices in all aspects of patent, trademark, and copyright law, including counseling, prosecution, licensing, and litigation. With offices around the world and decades of experience assisting multinational companies, Finnegan has the resources and expertise to formulate and execute global strategies.

Notable patent practitioners: Erika Arner, James Barney, Jennifer Roscetti, Bryan Diner, David Weingarten, John Livingstone, Gerald Ivey, Elizabeth Ferrill, Li Feng

Notable trademark practitioners: Danny Awdeh, Douglas Rettew, Naresh Kilaru, Mark Sommers, Brett Heavner

Notable copyright practitioners: Anna Chauvet

Roscetti litigates before US district courts and the US International Trade Commission (ITC). She also represents clients before the Federal Circuit. Naresh Kilaru counsels clients on brand protection and trademark enforcement strategies in the United States and around the world.

Fross Zelnick Lehrman & Zissu is a top US-based IP boutique focused on trademark and copyright law, boasting over 50 years of experience handling complex domestic and international matters. The notable practice is primarily located in New York. In addition to the firm's noteworthy practice handling clients domestic needs. the firm is also well known for its ex-US practice, showcasingthe group's deep knowledge of IP law inother jurisdictions.

Notable IP practitioners: Carlos Cucurella, David Donahue, Lydia Gobena, Nadine Jacobson, Leo Kittay, John Margiotta, Craig Medne, Laura Popp-Rosenberg, Barbara Solomon, Allison Strickland Ricketts, James Weinberger

Grüneberg & Myers bring high-level, sophisticated patent prosecution and counseling to their clients. Their attorneys have extensive experience in obtaining patents before the US Patent and Trademark Office. The firm also work effectively with professionals outside of the US to build global patent portfolios.

Notable patent practitioners Dr Kirsten Grüneberg, Eric Myers 

Grüneberg, managing partner and co-founder, represents many of the world’s largest chemical, biotech, and pharmaceutical companies.

Haley Guiliano team has extensive experience representing clients of all sizes and across a multitude of industries around the globe in connection with intellectual property matters. The firm has notable expertise in the life sciences industry.

Notable patent practitioners: James Haley, Karen Mangasarian, Brian Gummow.

Haley practices worldwide procurement, defense, and enforcement of patents in the biotechnology, biopharmaceutical, pharmaceutical, and chemical industries.

Mangasarian has extensive experience in the management of patent portfolios worldwide, patent life cycle management, and the development of competitive patent strategies.

Heim Payne Chorush has a strong focus on patent infringement. Their attorneys are routinely recognized for their work before the US Patent and Trademark Office's Patent Trial and Appeal Board (PTAB).

Notable patent practitioners Michael Heim, Allan Bullwinkel

Husch Blackwell helps clients develop and preserve their intellectual property (IP) to maximize profits and secure a competitive edge. Their attorneys have tremendous experience in IP acquisition, maintenance, protection, enforcement and litigation. The firm also has notable expertise in handling appeals before the Federal Circuit.

Notable patent practitioners: Michael Annis, Don Mizerk, Daniel Cohn, Nicole Bashor

Notable trademark practitioners: Daisy Manning, Tim Capria

Mizerk has extensive experience at the trial and appellate levels, often litigating Hatch-Waxman patent infringement matters. Bashor provides clients with strategic legal counsel at all stages of technological development.

Katten Muchin Rosenman stands out as a prominent US-based law firm specializing with a noteworthy IP department. With a robust team of attorneys, Katten offers comprehensive services across IP areas, including patent, copyright and trademark law. The firm’s expertise encompasses the full spectrum of IP protection, from clearance and registration to enforcement and litigation. Key offices for the firm include Chicago, New York and Washington DC.

Notable IP practitioners: Karen Artz Ash, Floyd Mandell, Kristen Achterhof, Deepro Mukerjee, Lance Soderstrom, Bret Danow, Brian Sodikoff

Kelly IP is a boutique firm specializing in all aspects of trademarks and copyrights. The firm offers a full range of services in these areas, including trademark clearance, prosecution, portfolio management, counselling, licensing, pre-litigation opinions, litigation and enforcement.

Notable IP practitioners: David Kelly, Stephanie Bald, Robert Litowitz, Lynn Jordan, Linda McLeod, Jason Joyal

David Kelly is a founding partner and the firm's namesake. Bald has handled cases of all stages in federal courts across the country and before the US Patent and Trademark Office’s Trademark Trial and Appeal Board (TTAB). Joyal specializes in trademarks, trade dress, copyright, false advertising, and unfair competition litigation and counseling.

Knowles IP is a boutique firm focused on providing global guidance on complex pharmaceutical and biotechnology IP matters, patent litigation strategy and assistance, licensing, and patent prosecution.

Notable lawyers: Sherry Knowles, Brent Bellows

Knowles, leader of the group, is an intellectual property attorney with over 30 years of experience. Bellows focuses on pharmaceutical and biotechnology patent strategy.

McAndrews Held & Malloy is a premier, full-service intellectual property and technology law firm based in Chiacgo. From world-class patent portfolio development, design protection, to its exceptional record of litigation success, McAndrews IP a leading firm in the market.

Notable patent practitioners: Edward Mas II, Robert Surrette, Sandra Frantzen, Eligio Pimentel, Christopher Carani, Sharon Hwang, Peter McAndrews, Troy Groetken, Wilhelm Rao 

Frantzen has expertise in the medical device, pharmaceutical, chemical, biotechnology, and consumer goods industries. Groetken assists in complex intellectual property matters and strategic global patent portfolio development.

McDermott Will & Emery’s intellectual property practice includes over 100 lawyers and professionals. The firm is well equipped to help clients build IP portfolios, maximize their value, and enforce or defend them litigation.  The firm has key offices in Chicago, Silicon Valley, Orange County, Boston and Washington DC. For top brands, the firm's trademark group offers all aspects of brand management, including prosecution and counseling. The firm is also noteworthy for its life sciences patent litigation practice.

Notable patent practitioners: William Gaede, Sarah Columbia, Kevin Meek, Charles Larsen, Douglas Carsten

Notable trademark practitioners: Jennifer Mikulina, Christina Martini

McKool Smith is a preeminent patent litigation firm primarily based in Texas, with other locations in Washington DC, New York and Los Angeles. The firm's high level success across trials in district court, the PTAB, and the Federal Circuit solidifies the firm’s reputation as one of the nation’s most elite and successful IP firms.

Notable patent practitioners: Samuel Baxter, Jennifer Truelove, William LaFuze, Nicholas Mathews, Warren Lipschitz

Truelove is regularly involved in many of the most significant trials that have taken place In Texas. Lipschitz represents both plaintiffs and defendants in patent infringement cases across a wide range of technologies.

Shook Hardy & Bacon offers a full-service IP practice with services running the gamut of clients' needs: including patent and trademark prosecution, IP litigation, transactions and post-grant proceedings. The Midwest-based group is notable for its who's who of Fortune 500 clients, many of which entrust the team with their IP portfolios.

Notable IP practitioners: Corey Fisher, John Garretson, John Golian, Michael Gross, Jason Mudd, Amy Ragen, Trent Webb, Keith Bae, Leonard Searcy

The firm recently debuted on the national US ranking for patent prosecution.

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 notable practices in Hatch-Waxman patent litigation and in the ITC area. The firm is highly recommended for their practice in patent prosecution and litigation and is also recommended for their work in trademark prosecution matters.

Notable IP practitioners: Jorge Goldstein, Robert Greene Sterne, Eldora Ellison, Tracy-Gene Durkin, Monica Riva Talley, Deborah Sterling, JC Rozendaal, Michael Ray, Eric Steffe, Carla Ji-Eun Kim, Michael Lee, Michael Joffre

Weil Gotshal & Manges offers a multifaceted IP practice, currently boasting top tier offerings in the IP transactions and copyright arenas. For transactions, the firm is frequently involved in the most widely discussed deals, from M&A to licensing and collaboration. The firm is a multiple-time award winner for transactions through Managing IP's yearly program. For copyright, the firm is active in some ofthe sectors most coveted types of cases, including music rate-setting cases and software copyright disputes. The firm also has a notable team of patent litigators handling high technology disputes.

Notable IP practitioners: Dennis Adams, Karen Ballack, Anne Capella, Jeffrey Homrig, Todd Larson, Doug Lumish, Benjamin Marks, Eric Namrow, Charan Sandhu

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. The firm is active across industry areas, most notably in the life sciences area.

Notable patent practitioners: David Berl, Paul Gaffney, Jessamyn Berniker, Thomas Selby, Stanley Fisher, Dov Grossman

Berl and Berniker, who both currently serve as co-chairs of the patent litigation practice, 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.

Young Conaway Stargatt & Taylor is a Delaware-based firm with a notable patent litigation practice. The firm is active across industry areas, including life sciences, software, semiconductor, construction and chemicals, among other sectors. The firm boasts an experienced bench of attorneys, many of whom previously clerked at Delaware's federal court. In addition to the firm's patent litigation practice, Young Conaway also has a trademark enforcement offering.

Notable IP practitioners: Anne Shea Gaza, Pilar Kraman, Adam Poff