Partner
Frank DeCosta, Ph.D. has significant experience in patent litigation, client counseling, and providing opinions related to computers, consumer electronics, software, medical devices, and information systems. As a first chair litigator, he directed litigation teams that obtained jury and bench judgments of more than $100 million. He frequently defends clients against patent infringement charges directed to complex technologies.
Frank has managed patent enforcement activities for clients in the United States, Europe, and Asia. He is involved in all phases of patent litigation in more than 50 cases, including worldwide discovery efforts, claim construction, motion practice, conducting depositions, and examining witnesses before a jury. He is also lead counsel in inter partes review proceedings before the Patent Trial and Appeal Board (PTAB).
Most of Frank's cases have involved technology related to his previous research, academic training, and work experience, which includes hardware and software research and development of multimedia telecommunications systems, complex signal processing systems, image processing systems, medical systems, and pattern recognition systems. Prior to joining Finnegan, Frank had ten years of experience as a scientist with leading technology companies, including six years with AT&T Bell Labs. He frequently represents clients in patent matters related to de facto and de jure industry standards including: IEEE 802.X, ISDN, JPEG, MPEG, MP3, ATM, SONET, Blu-ray, DVD, CD, NFC, DICOM, and various cell phone and TV standards.
Frank often presents at CLE programs on U.S. patent litigation practice, patent standards, patent pooling, and due diligence for patent matters. He also speaks at programs for engineers and engineering students on intellectual property legal issues. He has served on the firm's management and compensation committees, as the leader of the firm's litigation section, and as leader of the firm's electrical and computer technology practice group that consisted of more than 100 lawyers.
Frank was recognized in Intellectual Asset Management's Strategy 300 as a Global Leader and a top IP strategist, and by The Legal 500 U.S. as one of the leading lawyers in patent licensing and transactional work. Legal Media Group has ranked him among top U.S. patent lawyers since 2011. He was selected by On Being a Black Lawyer to be featured in The Power 100 as one of the 100 most influential black attorneys in the United States.
Audio MPEG v. Creative Labs; Thomson S.A.
Represented Audio MPEG, Philips, France Telecom, Telediffusion De France S.A., Institut fur Rundfunktechnik GmbH, and Bayerische Rundfunkwerbung GmbH in a series of litigations forming part of a worldwide patent enforcement program to protect rights directed to MPEG audio technology. All litigations concluded with worldwide settlements. The program currently has more than 1,000 licensees.
2:05-cv-00185; 1:05-cv-00565, E.D. Va., Judges Friedman, Stillman, Hilton, Poretz
Represented plaintiffs One-Blue, Sony, Pioneer, Philips, and Panasonic in a litigation asserting certain patents from the One-Blue pool covering essential elements of Blu-ray disc standards.
1:13-cv-00917, D. Del., Judge Stark
U.S. Philips Corporation v. KXD Technology Inc.; Norcent Technology Inc.
Represented Philips as the first chair running litigation teams enforcing patents directed to DVD technology. These cases resulted in judgments from the bench and a jury verdict totaling more than $100 million.
2:05-cv-08953, C.D. Cal., Judges Abrams, Gee, Rafeedie, Real
2:06-cv-01366, C.D. Cal., Judges Abrams, Rafeedie, Real
Bell Northern Research, LLC v. MediaTek Inc. et al.
337-TA-1367, ITC, Judge Moore
2:23-cv-10783, C.D. Cal., Judges Anelle-Rocha, Eick
IPR2023-01414, PTAB, Judges Abraham, Cass, Hamann
Koninklijke Philips NV and IP2IPO Innovations, Ltd. v. Boston Scientific Corp.
1:20-cv-01487, D. Del., Judge Noreika
Koninklijke Philips NV et al. v. Tongfang Global Inc. et al.
2:19-cv-01366, C.D. Cal., Judges Kornstadt, Standish
Hybrid Seminar
23rd Annual IP & Social Justice CLE Seminar 23rd Annual IP & Social Justice CLE Seminar
March 6, 2026
Washington, DC
Seminar
Navigating Global Patent Litigation Shifts: Strategic Insights on Emerging Trends Across the US and Europe Navigating Global Patent Litigation Shifts: Strategic Insights on Emerging Trends Across the US and Europe
December 12, 2025
Taipei
Articles
Navigating the Future: Ensuring Patentability for AI-Assisted Innovations in the Pharmaceutical and Chemical Space Navigating the Future: Ensuring Patentability for AI-Assisted Innovations in the Pharmaceutical and Chemical Space
July/August 2025
IP LitigatorHybrid Seminar
22nd Annual IP and Social Justice CLE Seminar 22nd Annual IP and Social Justice CLE Seminar
February 28, 2025
Alexandria
Commentary
Heartflow Accuses Rival of Building Competing AI Heart Tech on Stolen Secrets Heartflow Accuses Rival of Building Competing AI Heart Tech on Stolen Secrets
April 23, 2026
Texas LawyerCommentary
How I Made Practice Group Chair: 'Be an Active Participant,' Say Karthik Kumar and Frank DeCosta of Finnegan How I Made Practice Group Chair: 'Be an Active Participant,' Say Karthik Kumar and Frank DeCosta of Finnegan
March 6, 2026
Law.comCommentary
Legal Tech's Predictions for Artificial Intelligence in 2026 Legal Tech's Predictions for Artificial Intelligence in 2026
January 6, 2026
Law.comCommentary
Finnegan’s New AI Practice Is a Project in ‘Interdisciplinary’ Expertise Finnegan’s New AI Practice Is a Project in ‘Interdisciplinary’ Expertise
September 12, 2025
World Intellectual Property ReviewCommentary
Finnegan Formalizes AI Practice as Client Demand Grows Finnegan Formalizes AI Practice as Client Demand Grows
September 9, 2025
The National Law JournalPress Release
Finnegan Launches Comprehensive AI Practice Finnegan Launches Comprehensive AI Practice
September 9, 2025
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