Atty. John D. Pernick

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.

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Litigation - Securities Attorney · Serving San Francisco, CA

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). Serves clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About 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. 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 Legal Practice

Each practice area below reflects the types of cases John D. Pernick handles, with a practical overview of what that area of law involves and how it may apply to your situation in San Francisco.

Civil Litigation in San Francisco

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

John D. Pernick is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Jurisdictional Context

Why Local Counsel Matters in San Francisco

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 venue, 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.

San Francisco Courts and Legal Process

Choosing a San Francisco-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

Looking for additional California attorneys? Browse all attorneys in San Francisco or all attorneys in California.

Frequently Asked

Common Questions About John D. Pernick

Where is John D. Pernick's law office located?
John D. Pernick's law practice is located in San Francisco, California. The firm is Bergeson LLP. You can contact the office directly through this profile page.
What practice areas does John D. Pernick handle?
John D. Pernick focuses on litigation. Each practice area listed reflects experience handling cases of that type in California.
Where did John D. Pernick go to law school?
John D. Pernick earned their education at (J.D., 1991).
How can I contact John D. Pernick for a consultation?
You can contact John D. Pernick directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has John D. Pernick received?
John D. Pernick's notable recognition includes: Best Lawyers in America — Litigation - Securities; Best Lawyers in America — Additional Areas of Practice:; Best Lawyers in America — Commercial Litigation; Best Lawyers in America — Litigation - Antitrust; Best Lawyers in America — Litigation - Banking and Finance.

Professional Profile

Why Clients in San Francisco Choose John D. Pernick

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish John D. Pernick's practice in the field of litigation.

Focused Litigation Practice

Concentrating on litigation means John D. Pernick's knowledge of relevant statutes, case law, and procedural nuances stays current — unlike generalist practices that spread attention across unrelated fields.

Local Presence in San Francisco

A San Francisco-based practice means John D. Pernick attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Search Reference

How People Find John D. Pernick Online

Prospective clients searching for legal help in San Francisco commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like John D. Pernick.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with John D. Pernick directly.

John D. Pernick's Practice Areas & Specializations

Education & Law School Background

J.D.
The University of Michigan Law School
- 1991

Awards & Professional Honors

Best Lawyers in America — Litigation - Securities
- 2026
Best Lawyers in America — Additional Areas of Practice:
- 2026
Best Lawyers in America — Commercial Litigation
- 2026
Best Lawyers in America — Litigation - Antitrust
- 2026
Best Lawyers in America — Litigation - Banking and Finance
- 2026
Best Lawyers in America — Litigation - Intellectual Property
- 2026

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