Daniel Leventhal's practice focuses on patent litigation and counseling, with a focus on telecommunications, electronics, and Internet. He has deep technological understanding in numerous areas including wireless and wired telecommunications, Internet and e-commerce software and services, microprocessors, display hardware, and medical devices.
Daniel believes the key to effective advocacy in patent litigation is to quickly and thoroughly learn and understand the technology at issue and use that understanding to guide strategy throughout the case. He has experience in day-to-day management of patent litigation, including leading the development of strategic positions, coordinating document and information collection, taking and defending depositions, working with experts, and drafting and arguing motions and claim construction. Daniel has handled cases in Federal courts across the country including the Northern and Central Districts of California, the Southern, Western, Northern, and Eastern Districts of Texas, the Western District of Wisconsin, the Western District of Washington, the Eastern District of Virginia, and the District of Delaware, as well as the International Trade Commission.
Daniel also has broad experience assisting companies in intellectual property transactions and licensing negotiations. Daniel has assisted intellectual property holders, acquirers and potential licensors in various endeavors. He has extensive experience in patent portfolio evaluation and has assisted and led negotiations regarding potential license and other technology transfer arrangements. Daniel has assisted companies approached by patent holders and led evaluation of claims and negotiations with patent holders. He has also assisted in providing formal opinions concerning potential infringement, validity and enforceability of client and third party intellectual property, including studying potential issues raised by new product launches.
Daniel is also licensed to practice before the US Patent and Trademark Office. He has experience in ex parte prosecution, as well as both ex parte and inter partes reexamination proceedings, both as a third-party requester and a patent owner. Daniel has experience drafting all types of Patent Office submissions including applications, continuation claims, responses to Office Actions, petitions, pre-appeal and appeal briefs, as well as conducting examiner interviews.