Steve Sponseller’s IP practice includes patent prosecution, patent portfolio management, transactions, due diligence work, agreements, opinions (including validity, infringement, patentability, right-to-practice (RTP), and freedom-to-operate (FTO) opinions), counseling, offensive and defensive patent issues, licensing, and litigation. He also serves as an expert witness in technical and intellectual property legal issues.  He also is an expert in copyright (including software, publications, products and artworks, and other copyrightable forms) and open source issues. He works with foreign IP firms and foreign clients with respect to domestic and international patent prosecution, including Patent Cooperation Treaty (PCT) work.

The technical focus of his practice includes many areas of software, artificial intelligence, machine learning, internet of things, computer technology, automotive technology, communications, networks, databases, datacenters, cloud computing, internet systems, and many other areas.