Finnegan, Henderson, Farabow, Garrett & Dunner, LLP is one of the world’s largest full-service IP firms. With offices in the United States, Asia and Europe, the firm practices European, German, UK, and US IP law. In addition to all aspects of patent, trademark, and copyright law, including counseling, prosecution, licensing, and litigation, Finnegan provides counseling and litigation services in advertising, privacy, and a wide spectrum of additional IP-adjacent commercial matters, including trade secrets, international trade, the Internet, e-commerce, government contracts, antitrust, and unfair competition. A comprehensive approach to clients’ IP needs and Finnegan’s mega-boutique size underpins its year-to-year, decade-to-decade preeminence in IP litigation and trials across all industries and tribunals.
With Finnegan’s practice centered on intellectual property, the firm can create economies of scale and focus all resources on providing the best tools and teams for clients. Approximately 300 of Finnegan’s legal professionals hold degrees in scientific disciplines (75+ hold PhDs), and the majority are also registered to practise before the US Patent and Trademark Office (USPTO), European Patent Office (EPO), the German Patent and Trade Mark Office (DPMA), the UK Intellectual Property Office (UKIPO), or the European Union Intellectual Property Office (EUIPO).
With more than 60 years’ IP experience, Finnegan’s global IP enforcement, litigation, and trials practice is comprised of over 250 litigators, including career trial attorneys. The firm handles hundreds of cases and proceedings across all forms of US IP litigation, German patent litigation, and European patent, trademark, copyright, and trade secret litigation in courts, including US district courts, the US International Trade Commission (ITC), the USPTO’s Patent Trial and Appeal Board (PTAB), US Court of Appeals for the Federal Circuit, the US Supreme Court, German regional civil courts, UK courts, and the Unified Patent Court. As one of the first firms to file a petition and subsequently argue a post-grant review of a covered business method case following the implementation of the America Invents Act, Finnegan is one of the busiest law firms representing petitioners and patent owners in patent office invalidity proceedings in the U.S. and Europe, including ex parte reexaminations, inter partes and post-grant reviews, nullity proceedings, oppositions, and third-party observations. The firm files approximately 2,500 US and 1,000 foreign patent applications annually.
Finnegan’s trademark practice, renowned for its experience, sophistication, creativity and depth, is comprehensive and follows the life of a mark from selection, clearance, prosecution and maintenance to portfolio management, trademark audits, licensing, watch disputes and litigation. The firm’s trademark clients include start-ups, small and medium-sized companies, as well as Fortune 100 companies. The range of industries represented includes sports and fitness, food and beverage, consumer products, mechanical, manufacturing, clean energy and renewables, entertainment, pharmaceuticals and biotechnology, financial services, publishing, the Internet, software, computers and telecommunications, and automotive.
Surveys conducted by legal and business publications consistently rank Finnegan as one of the leading IP law practices in the world. The firm is ranked in the United States for litigation and non-contentious patent and trademark work by publications including Managing Intellectual Property and The Legal 500, which have ranked Finnegan as a top-tier firm in nearly every significant IP category for nearly two decades. The publications cite the firm’s winning record, technical expertise and deep bench of talent in all aspects of IP litigation, including trials, appeals and proceedings at global patent offices, and ITC investigations.
Representative engagements
• Obtained a $240 million jury verdict for client Promptu in a patent infringement lawsuit against Comcast. The jury found that Comcast willfully infringed Promptu’s patents covering voice recognition technology for TV.
• Secured a significant victory for client US Synthetic Corporation (USS) with a precedential decision from the U.S. Court of Appeals for the Federal Circuit (CAFC) overturning an unfavorable 35 U.S.C. § 101 eligibility ruling from the International Trade Commission (ITC).
• Finnegan represents Subaru in multiple ongoing TTAB proceedings, including cancellations and oppositions.
• Represented Sarepta Therapeutics, Inc. and its licensor The University of Western Australia in patent litigation relating to nucleic acid therapies for treatment of Duchenne muscular dystrophy (DMD). A federal jury in the District of Delaware awarded Sarepta Therapeutics over $115 million in its patent infringement case against Nippon Shinyaku Co. Ltd. This substantial verdict upholds the validity of Sarepta’s groundbreaking exon-skipping treatment, and the underlying work at the University of Western Australia.
• Oversees the comprehensive trademark and copyright portfolio for the EMMY and EMMY Award Statuettes on behalf of The Academy of Television Arts & Sciences, handling all aspects of prosecution and enforcement. This work includes negotiating and drafting license agreements with authorized statuette manufacturers and sponsors, collaborating with Customs and Border Protection to prevent unauthorized imports, conducting due diligence on potential international partners, and managing U.S. and foreign trademark applications, prosecution, and oppositions.
• Managing the global prosecution of AstraZeneca’s portfolio for Beyfortus® (nirsevimab), the recently FDA-approved extended half-life monoclonal antibody (mAb) aiming to protect all infants entering their first RSV season, when they are at highest risk for severe RSV disease.
Grüneberg Global IP turned the traditional law firm model on its head, to set the gold standard for in-depth, cost-efficient patent counsel.
In an evolving market, Grüneberg Global IP offers cost savings for patent budgets. With innovative office concepts and paper-free law practice management systems, the firm reduced overhead, bringing prices to competitive levels. State-of-the-art cloud-based file and docket management software provide robust cybersecurity and increased efficiency, within a reasonable technology budget.
The firm’s experienced attorneys and staff maintain high quality. Several team members have previously worked at the International Trade Commission, the Court of Appeals for the Federal Circuit, the U.S. Patent and Trademark Office, in-house positions, large general-practice firms, and IP boutiques. While the firm itself started in 2017, the firm’s staff leadership has worked in managerial and supervisory roles in larger, high-volume patent prosecution firms and in-house at large companies, thus carrying forward decades of institutional knowledge in an innovative, efficient environment.
The attorneys at Grüneberg Global IP prosecute U.S. and international patent applications with skill and experience. Thousands of U.S. patents have issued as a result of the efforts of the attorneys on the Grüneberg Global IP team. Using the full menu of options available at the USPTO, Grüneberg Global IP pursues optimized, strong patent protection. The firm prides itself on detailed analysis of office actions with fast turnaround, avoiding extensions and facilitating greater familiarity with cases, both for applicants and Examiners.
The firm also coordinates global prosecution and portfolio management. Maintaining relationships with patent firms globally, the attorneys at Grüneberg Global IP consolidate strategies and take the work off of in-house counsel.
With its low-overhead model, Grüneberg Global IP can prosecute applications within competitive flat-rate pricing structures.
The attorneys at Grüneberg Global IP have experience with numerous counseling, freedom-to-operate, and post-grant matters. The firm frequently provides freedom-to-operate, invalidity, and noninfringement opinions for clients. In addition the attorneys at Grüneberg Global IP have performed product IP-clearance projects, and have helped clients navigate pharmaceutical Hatch-Waxman exclusivity and subject matter eligibility. The firm also achieved positive outcomes for clients in reexamination and in inter partes review.
When in-house counsel needs to operate on a budget, the firm can work within agreed-upon price ceilings to provide thorough outside patent counsel with predictable costs.
Large corporations, including Fortune 50 companies and Fortune Global 200 companies trust Grüneberg Global IP with building patent portfolios and operating in competitive IP environments. The firm serves companies in Europe, Asia, and the Americas, supporting in-house counsel in chemical, pharmaceutical, biotechnology, medical devices, construction, AI, machine learning, electronics, and tools and machinery industries.
Clients have expressed high levels of satisfaction with the firm’s handling of their patent matters, as well as with the firm’s flexibility to offer competitive pricing.
The firm is 100% women- and ethnic minority-owned, and includes diverse representation at all levels. Varied backgrounds strengthen the firm and provide wide-ranging perspectives.
Last updated 16th January 2026