Mr. Johanson is a shareholder at Durham Jones & Pinegar who specializes in patents, trademarks, copyright and technology law.  He chairs the firm’s Intellectual Property Section.  He provides patent-related services involving the electronics arts, especially wireless communications, computer technology, software and other technologies. He focuses on all phases of intellectual property management, including domestic and foreign patent procurement, post-issuance administrative proceedings, portfolio management, preparation of noninfringement and invalidity opinions, product clearance analysis, due diligence evaluations, and pre-litigation evaluations and strategic counseling for asserting patent rights or responding to patent infringement allegations. He provides comprehensive counseling for defending the validity of clients’ patents and challenging the validity of patents owned by clients’ competitors.