Coblentz, Patch, Duffy & Bass LLP is a legal advisory firm focused on providing legal counsel to clients. The Firm’s expertise includes business, private equity and venture capital, mergers and acquisitions, trusts and estates litigation, intellectual property litigation, probate trust, bankruptcy and creditors rights, appellate, and tax planning and controversy. The Firm services clients in the automotive, business services, communications, construction, gaming, IT, marketing, media, and renewable energy sectors. Coblentz, Patch, Duffy & Bass was founded in 1890 and is located in San Francisco, California.