Joseph Haag, a vice chair of the firm's Intellectual Property Department, is an experienced intellectual property lawyer who focuses his practice on patent litigation, patent prosecution and client counseling for patent matters. Since joining WilmerHale in 2001, Mr. Haag has successfully represented a variety of technology clients, including in technical areas such as electronic circuitry and devices, semiconductor fabrication and packaging, cellular telephone and wireless devices, and software. Over the course of his career, he has advised on many aspects of intellectual property and has represented clients in patent litigation in federal courts and before the International Trade Commission.

Mr. Haag has extensive patent prosecution experience for mechanical, electromechanical and software inventions. He also has extensive experience in due diligence investigations for corporate transactions.

With respect to patent litigation, Mr. Haag has extensive experience in all aspects of IP litigation. Mr. Haag's recent patent litigations have involved technologies such as IT service management, electrochromic glass, cellular telephone and wireless devices, electronic devices and circuitry, non-volatile computer memory, lithography systems, and semiconductor fabrication and packaging.