Daniel T. O Brien

Dan O'Brien practices intellectual property law, with a focus on patent litigation and intellectual property transactions. Dan's experience also includes patent prosecution, due diligence, and opinion work. These representations involve a variety of technologies, including vehicle telematics, computer architecture, 3D/4D seismology, backup and recovery software, encryption, and telecommunication systems.

Prior to joining Jones Day, Dan practiced law at an IP boutique firm in Chicago, where he litigated patents related to graphic accelerators, mobile devices, needleless stents, pacemakers, and nonwoven fabrics. He also prosecuted numerous patents related to biomedical imaging, casino gaming machines, and encryption systems.

Dan is actively involved in community service and pro bono work, including the Dallas Association of Young Lawyers and the Dallas Volunteer Attorney Program. Dan was honored to serve as Jones Day Dallas' third Lend-A-Lawyer at DVAP and as a member of the Jones Day Dallas Associate Pro Bono Committee. He is a member of the American Bar Association, the American Intellectual Property Law Association, the Dallas Bar Association IP Section, and the Institute of Electrical and Electronics Engineers. Dan also serves on the University of Illinois College of Law Alumni Board.

Prior to practicing law, Dan worked as a network engineer for a leading provider of software and services in the telecommunications industry. He was part of an infrastructure group responsible for the design, installation, security, and support of an international voice and data network.

Good to know

Areas of Practice 1) Intellectual Property
Law School University of Illinois, College of Law
Admitted Year 2006
Education University of Illinois, Urbana-Champaign (B.S.E.E.
Bar Member / Association Texas; Illinois; U.S. District Courts for the Eastern and Northern Districts of Texas, Northern District of Illinois, and Eastern District of Michigan; and registered to practice before the U.S. Patent and Trademark Office
Most recent firm Jones Day
Relevant Jobs
Senior Attorney - Intellectual Property Counsel
USA-TX-San Antonio

Senior Attorney - Intellectual Property Counsel The candidate will provide expert legal counsel on intellectual property matters to Senior Leaders including Executive Council for an operating area or...

Apply now

Patent Attorney

Patent Attorney The candidate must be mid-level attorney with 1-4 years of experience in patent matters. Should have a mechanical engineering background with experience in patent prosecution (U.S. an...

Apply now

+ View more jobs
Coleen M. Meehan
Coleen M. Meehan

Coleen M. Meehan is a partner and trial lawyer in Morgan Lewis's Litigation Practice, resident in the Philadelphia office.

David W. Marston Jr
David W. Marston Jr

David W. Marston, Jr. is a partner in Morgan Lewis's Intellectual Property and Litigation practices and is a member of the firm's Class Action Working Group. He handles all aspects of litigation from inception through trial and post-trial appeals.

Eric Kraeutler
Eric Kraeutler

Eric Kraeutler is the leader of Morgan Lewis's Philadelphia Litigation Practice. His practice focuses on trials and appeals involving complex commercial, intellectual property, and white collar criminal matters.