About

Brian S. Umpierre is an attorney with Stebner Gertler & Guadagni in San Francisco, where he focuses his practice on antitrust and trade law. Based at 870 Market St Ste 1285, Brian represents clients in matters involving competition, market access, and the legal issues that can arise when businesses operate in highly regulated and fast-moving commercial environments. His work reflects a strong understanding of the complexities that shape modern business disputes and regulatory challenges. Brian approaches each matter with careful analysis, strategic thinking, and a commitment to providing clear, practical guidance. He recognizes that antitrust and trade law issues can have significant financial and operational consequences, and he works to help clients navigate those challenges with confidence. Whether addressing competition concerns, evaluating trade-related risks, or advising on broader legal strategy, Brian is focused on protecting client interests while pursuing efficient, effective solutions. At Stebner Gertler & Guadagni, Brian is dedicated to delivering responsive representation tailored to each client’s goals. He values direct communication, thorough preparation, and a client-centered approach to legal service. Clients turn to him for knowledgeable counsel and steady advocacy in complex legal matters that demand both precision and insight.

Credentials

Related Legal Services

Other Antitrust Trade Law Attorneys in San Francisco, CA