Michael Lyons

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.

Amr Razzak is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and 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.

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...

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...

Recognized as one of California’s top trial lawyers, Elizabeth focuses her practice on technology, trade secrets, business disputes, and civil rights. She also manages day-to-day operations of the firm. A courtroom veteran, Elizabeth brings keen strategic thinking to every step of litigation. In addition to her trial work, she has handled many sensitive investigations and frequently assists clients in risk management. Clients have described Elizabeth as “an excellent trial lawyer&...

Ed Batts is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Ed, who practices law in Palo Alto, California, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ed is held by other top lawyers in the same geographic and legal practice area.

A seasoned trial lawyer with significant experience in both state and federal courts in Santa Clara County, Bill’s expertise in representing businesses and individuals in complex civil litigation has provided clients many noteworthy results. In addition, Bill works with individuals and families in cases involving litigation such as will contests, trust disputes, and related issues. Bill is often called into family law matters when specific litigation expertise is required in cases where...

Chris Berka is a nationally recognized trial lawyer with a practice focusing on environmental, real estate, energy, natural resources, product liability and contract matters. He has resolved more than two hundred cases for clients in a range of industries and sectors, including technology, aerospace, oil and natural gas, wind energy, real estate development, pharmaceuticals, higher education, transportation, news media, mining and consumer products. In addition to his litigation practice, Chr...

Judith Hasko is the Chair of the Transactional Department and Co-Chair of WilmerHale’s Life Sciences Practice. She provides counsel to life sciences companies and their investors on strategic, intellectual property and technology-based commercial transactions. Companies in the biotechnology, pharmaceutical, medical device and diagnostic product sectors, along with their investors, depend on Ms. Hasko for guidance and execution of licensing, corporate partnerships, joint ventures, co-pro...

When a company or its leaders are at risk, founding partner Daniel J. Bergeson uses his substantial litigation and trial experience to advocate for their rights and reputations in lawsuits involving securities, intellectual property, employment, private equity and venture capital, and commercial law. He focuses on the essential facts to persuade juries, judges, and triers of cases in state and federal courts and arbitration forums in Silicon Valley, Delaware, New York, and other dispute resol...