David Leach is a patent attorney at Sleman and Lund LLP. His experience encompasses all aspects of intellectual property law. This includes the initial acquisition of IP assets domestically and internationally, patent portfolio management, due diligence analysis of IP assets in the M&A context, freedom-to-operate studies for yet to be commercialized products, and opinions of counsel. David also has extensive IP litigation experience including litigation in the federal district courts, the International Trade Commission (ITC), and in post grant proceedings at the United States Patent and Trademark Office. While David has a mechanical background, he has helped clients obtain and protect intellectual property within a variety of technologies from the mechanical to the high tech. Such technologies include orthopedic devices, heart valves and pumps, agricultural equipment and products, firearm components and accessories, semiconductor packaging, IoT devices and systems, and robotic surgical and diagnostic platforms. In a previous life, David worked as a design engineer designing mechanical and energy systems for healthcare facilities. While attending The Ohio State University, David served an enlistment in the United States Marine Corps Reserve as an infantryman in 3rd Battalion, 25th Marine Regiment. In 2005, his battalion was deployed to Al Anbar Province, Iraq where he participated in several major combat operations including daily counterinsurgency patrols and IED sweeps.