Hayan Yoon

Allison M. Leopold Tilley is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Allison M. Leopold, who practices law in Palo Alto, California, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Allison M. Leopold is held by other top lawyers in the same geographic and legal practice area.

Dori is the Co-chair of Hopkins & Carley’s Litigation Department. She represents a wide range of clients in complex real estate, land use, and business litigation matters. Dori regularly represents developers and property owners in disputes involving: Real estate purchase and sale transactions Real estate investment fraud Commercial landlord-tenant Boundary and property lines Easements Dori also regularly appears on behalf of clients at City Council meetings, Planning Commission mee...

Quyen L. Ta is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration, Commercial Litigation, Litigation - Intellectual Property and Mass Tort Litigation / Class Actions - Defendants. Quyen L., who practices law in Palo Alto, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Quyen L. is held by other top lawyers in the same geographic and legal practice area.

After almost forty years at "Big Law" firms, Lester Brown opened his own firm on October 1, 2024. Les offers deep knowledge and insights in complex commercial litigation, with a focus on representing policyholders in challenging insurance coverage disputes, achieving substantial recoveries for his clients. Les has served a diverse range of clients including electric and gas utilities, tech firms, telecommunications companies, chemical and oil corporations, as well as manufacturers, landlords,...

Erik Puknys’ career in intellectual property began more than 25 years ago, when he joined the U.S. Patent & Trademark Office as a patent examiner. Erik started his legal career at Finnegan’s Washington, D.C. office in 1994, and moved to California in 1997 to help open the firm’s Silicon Valley office. He has represented both plaintiffs and defendants in district courts around the United States, in the Court of Appeals for the Federal Circuit, and in the U.S. Supreme Cour...

Michael D. Celio is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Securities. Michael D., who practices law in Palo Alto, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael D. is held by other top lawyers in the same geographic and legal practice area.

William (Bill) Gaede focuses his practice on intellectual property litigation in the life sciences and medical device industries. Bill serves as lead counsel for a wide range of companies and research institutes and has extensive experience in litigating life science technologies such as antibodies, proteins, small molecules and diagnostics. In addition to his jury trial experience, Bill has argued before the US Circuit Court of Appeals for the Federal Circuit. He further provides risk manage...

Amr Razzak is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Amr, who practices law in Palo Alto, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Amr is held by other top lawyers in the same geographic and legal practice area.

Christopher Kao is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. Christopher, who practices law in San Francisco, California, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher is held by other top lawyers in the same geographic and legal practice area.

Erik Olson's practice focuses on the litigation of securities, corporate governance, and intellectual property disputes, with particular emphasis on clients in the biotechnology, medical device, retail, and high-technology industries. In securities-related matters, Mr. Olson has repeatedly obtained dismissals of federal class action lawsuits under the Private Securities Litigation Reform Act and successfully defended those dismissals before the Fourth, Ninth and Tenth Circuits for numerous pr...