Finnegan Henderson Farabow Garrett & Dunner

What Finnegan Henderson Farabow Garrett & Dunner does

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP is one of the largest dedicated intellectual property law firms in the world, founded in 1965 in Washington, DC and headquartered at 901 New York Avenue NW. The firm operates as a Limited Liability Partnership and serves enterprise clients globally through 11 offices spanning North America (Washington DC, Reston, Atlanta, Boston, Palo Alto), Europe (London, Munich), and Asia (Seoul, Shanghai, Taipei, Tokyo), delivering the full lifecycle of IP services — patent drafting and prosecution, trademark and copyright counseling, IP litigation and trials, ITC Section 337 investigations, PTAB proceedings, licensing, due diligence, and standard-essential patent work. Its practice is organized around seven core areas including AI + Finnegan, Appeals/Issues/Legal Strategy, Diligence/Licensing/Opinions, Global IP Enforcement/Litigation/Trials, Patent Office Invalidation Proceedings, Prosecution and Portfolio Management, and Trademark and Brand Management.

The firm's competitive base is built on a deep technical-legal talent pool: 300+ attorneys and professionals with scientific degrees, 220+ practitioners registered before the USPTO, and 35+ former Court of Appeals for the Federal Circuit law clerks. Finnegan has handled over 1,450 post-grant patent office proceedings and filed more than 17,950 patent applications in the last three years, with a marquee $240 million jury verdict secured for Promptu against Comcast and a stay of New Jersey litigation for Pvtech. The firm is recognized in the 2026 IAM Patent 1000 Guide (nearly 60 attorneys ranked) and won "Intellectual Property Firm of the Year" at the 2026 Benchmark Litigation Awards.

Finnegan monetizes through professional-services fees on hourly billing plus Alternative Fee Arrangements and contingency structures under its Legal Value Solutions program, targeting enterprise clients across technology/innovation, life sciences, chemicals/industrials, and consumer goods verticals. The firm has invested in dedicated AI-IP and UPC resource hubs and an extensive thought-leadership ecosystem of six specialized blogs, webinars, and industry conferences to support demand generation for complex IP engagements.

Name

Finnegan Henderson Farabow Garrett & Dunner

Legal name

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Website

https://finnegan.com

Company type

Private

Founded year

1965

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Finnegan is a globally dedicated intellectual property law firm founded in 1965, serving enterprise technology, life sciences, and consumer goods clients across 11 offices in North America, Europe, and Asia with patent prosecution, litigation, and IP portfolio management services.

Ownership category

akta.pro rank

Product category

Intellectual Property Legal Services

NAICS

Offices of Lawyers (54111), Legal Services (5411)

SIC

Services-Legal Services (8111)

akta.pro primary industry

Patent Prosecution & Portfolio Management (BPAHAMAA)

akta.pro secondary industries

IP Filing, Annuities & Renewals Administration (BPAHAMAJ), IP Licensing, Transactions & Technology Transfer (BPAHAMAF), IP Due Diligence & Freedom-to-Operate (FTO) Analysis (BPAHAMAG), IP Valuation, Damages & Royalty Analysis (BPAHAMAH)

Keywords

• Intellectual property law
• Patent litigation services
• Patent prosecution
• Trademark legal services
• IP portfolio management

Headquarters

HQ city

Atlanta

HQ country

United States

HQ region

North America

Offices11 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Legal Services - IP Litigation: Full-service intellectual property litigation including patent, trademark, copyright, trade secret, and ITC Section 337 investigations. Services include trials, appeals, and PTAB proceedings.
2. Patent Prosecution and Portfolio Management: Patent drafting, prosecution, IP portfolio management, and patent term extension services across multiple jurisdictions including US, European, UK, German, Japanese, Korean, Israeli, and Chinese patent offices.
3. Trademark Services: Trademark counseling, prosecution, litigation, and brand management services including trademark oppositions and cancellations.
4. Licensing and Transactions: Due diligence, licensing, pooling, standard essential patents (SEPs), freedom to operate opinions, and transactional IP services.
5. Alternative Fee Arrangements: The firm offers alternative fee arrangements including contingency fees, demonstrating flexibility in legal fee structures.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Finnegan is an intellectual property law firm providing end-to-end IP legal services, including patent drafting and prosecution, patent and trademark litigation, ITC Section 337 investigations, PTAB proceedings, trademark counseling, copyright, trade secrets, licensing, due diligence, and AI-related IP advisory work, delivered through direct partner engagement across 11 offices in North America, Europe, and Asia.

Product overview

Finnegan Henderson Farabow Garrett & Dunner is a leading intellectual property law firm offering a comprehensive suite of IP legal services. The firm's practice areas include AI+Finnegan (covering AI-related IP matters), Appeals/Issues/Legal Strategy, Diligence/Licensing/Opinions, Global IP Enforcement/Litigation/Trials, Patent Office Invalidation Proceedings, Prosecution and Portfolio Management, and Trademark and Brand Management. The firm serves clients across multiple industries including AI/Electronics/IT, Chemicals/Industrials/Materials, Communications, Consumer Goods/Services, Energy, Hospitality/Gaming/Leisure, Life Sciences, and Transportation/Logistics, with offices in North America (Atlanta, Boston, Palo Alto, Reston, Washington DC), Europe (London, Munich), and Asia (Seoul, Shanghai, Taipei, Tokyo).

Differentiator

Problem solved

Functional benefit

Brands

• AI + Finnegan: Finnegan's AI-focused practice area covering AI-related intellectual property matters including copyright, patent, privacy, trade secrets, and trademark issues.

Products and services

• AI + Finnegan
• Appeals, Issues, and Legal Strategy

Quantifiable outcome

• $240 million jury verdict secured for Promptu in patent case against Comcast
• +3 more outcomes

Named customers3 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators8 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Oblon McClelland Maier & Neustadt: Oblon is a leading U.S. IP boutique with a heavy patent prosecution focus and significant PTAB practice, directly comparable to Finnegan's prosecution and post-grant offerings.
• Sterne Kessler Goldstein & Fox: Sterne Kessler is a Washington, D.C.-based IP boutique specializing in patent prosecution, PTAB, and post-grant proceedings, competing head-to-head with Finnegan on patent prosecution volume and PTAB invalidation work.
• Fish & Richardson: Fish & Richardson is one of the largest pure-play IP law firms in the U.S., with deep patent prosecution, litigation, and PTAB practices, directly competing with Finnegan for the same enterprise technology, life sciences, and high-stakes patent litigation mandates.
• Irell & Manella: Irell & Manella is a California-based IP and business litigation boutique with a renowned patent trial practice, frequently competing with Finnegan on high-stakes patent jury trials and appeals.
• Mintz: Mintz is an AmLaw 100 firm with a focused IP practice in patent prosecution, licensing, and litigation, particularly in life sciences and technology, directly comparable to Finnegan's mid-market IP offerings.
• Wilmer Cutler Pickering Hale and Dorr: WilmerHale is an AmLaw 50 firm with one of the most active IP litigation and patent prosecution practices in the U.S., competing with Finnegan for Supreme Court, Federal Circuit, and ITC patent work.

Broad incumbents

• Sidley Austin: Sidley Austin is a global AmLaw 10 firm with a sizable IP litigation and prosecution practice, overlapping with Finnegan on patent and life sciences IP mandates but as part of a much broader corporate, regulatory, and litigation platform.
• Jones Day: Jones Day is a global AmLaw 10 firm with a strong IP practice spanning patent litigation, prosecution, and transactions, directly competing with Finnegan for technology and life sciences clients.
• Cooley: Cooley is a leading technology-focused law firm with a strong patent litigation and prosecution practice, particularly strong with venture-backed and technology clients, overlapping with Finnegan's tech and life sciences IP work.
• Kirkland & Ellis: Kirkland & Ellis is the largest law firm in the world by revenue, with a growing IP litigation and life sciences IP practice that competes with Finnegan for technology and life sciences patent work across the U.S., Europe, and Asia.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/FinneganIPLaw
• LinkedInlinkedin.com/company/finnegan-henderson-farabow-garret
• Facebookfacebook.com/finnegan

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Finnegan Henderson Farabow Garrett & Dunner