Atty. John D. Pernick
When business partnerships, startups, and investment funds are in the throes of intra-company disputes or face claims of wrongdoing, business litigator John D. Pernick guides companies and their founders, directors, executives, and investors toward resolutions that serve their overall interests, be it through negotiation or litigation.
Profile Summary
About John D. Pernick at a glance
John D. Pernick is a litigation attorney based in San Francisco, California, practicing at Bergeson LLP. Educated at The University of Michigan Law School (J.D., 1991). Recognitions include Best Lawyers in America — Litigation - Securities (2026), Best Lawyers in America — Additional Areas of Practice: (2026), and Best Lawyers in America — Commercial Litigation (2026). Serands clients in San Francisco, CA and the surrounding metropolitan area.
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About
When business partnerships, startups, and investment funds are in the throes of intra-company disputes or face claims of wrongdoing, business litigator John D. Pernick guides companies and their founders, directors, executives, and investors toward resolutions that serve their overall interests, be it through negotiation or litigation. He also represents companies and individuals in complex state and federal litigation matters and in connection with investigations by the Securities Exchange Commission (SEC), Financial Industry Regulatory Authority (FINRA), U.S. Department of Justice (DOJ), and other regulatory agencies and authorities.
Business Breakups and Complex Disputes
John has more than 25 years of experience representing a range of clients, from Silicon Valley and Bay Area startups to Fortune 50 corporations, in complex business litigation in state and federal courts.
John leverages his background in corporate governance and corporate control fights to add expediency and efficiency to the litigation process. He aims to lessen the burden and disruption of litigation for emerging and growth companies while still obtaining optimal results. John's practice scope includes:
- Breach of contract and breach of fiduciary duty claims
- Complex commercial litigation
- Corporate control disputes
- Defective product claims
- Founder disputes
- Insurance coverage claims
- Investigations
- Securities litigation and class actions
- Shareholder derivative actions
- Supplier disputes
- Trade secrets and confidentiality agreements
Attuned to Silicon Valley Business Economics
John's clients include a cross-section of Silicon Valley's technology, software, and financial companies as well as manufacturers, online retailers and participants in emerging industries, such as cryptocurrency and cannabis.
In building a client's case, John digs deep into underlying business issues. He examines what should have happened to make the business prosper and actions, governance practices, and structural deficiencies that led to the dispute.
His representative experience includes defending venture capital firms and their partners in actions claiming breach of fiduciary duties in connection with portfolio company refinancings. He has also led tech company CEOs in company and shareholder disputes, and he has steered Chief Compliance Officers in proceedings before the DOJ, Federal Deposit Insurance Corporation, and other agencies.
Leadership in Business Litigation and Trials
John's is recognized by such top legal guides as Chambers USA, Legal 500, Super Lawyers, and America’s Top 100 Attorneys®. In addition, he is a member of the Executive Committee of the Securities Litigation Section of The Bar Association of San Francisco.
Out of the office, John is an accomplished competitive sailor who was a member of the crew that won the 2017 J/111 World Championship and 2018 J/111 North American Championship titles.
Practice Areas Explained
John D. Pernick's Areas of Practice
Each practice area below reflects the types of cases John D. Pernick handles, with a brief overview of what that area of law covers.
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
John D. Pernick is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in California →
Jurisdictional Context
Why local counsel matters in California
Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in San Francisco are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in California courts without local counsel or pro hac vice admission.
Looking for additional California attorneys? Browse all attorneys in San Francisco or all attorneys in California.
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