Denis F. Shanagher
About Denis F. Shanagher
Denis F. Shanagher is a lawyer based in San Francisco, CA and has been recognized in The Best Lawyers in America® since 2021. Denis F. Shanagher is recognized in the following practice areas:
- San Francisco, California
- Commercial Litigation
- Litigation - Real Estate
Current Firm: Duane Morris LLP
Education: University of California Hastings College of the Law, J.D., graduated 1981
Location: San Francisco, CA
Nearby Lawyers
John W. Lucas is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. John W., who practices law in San Francisco, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John W. is held by other top lawyers in the same geographic and legal practice area.
Bobbie Wilson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Bobbie, who practices law in San Francisco, California, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bobbie is held by other top lawyers in the same geographic and legal practice area.
Peter Isola is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Peter, who practices law in San Francisco, California, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter is held by other top lawyers in the same geographic and legal practice area.
Sandra A. Edwards is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Environmental and Product Liability Litigation - Defendants. Sandra A., 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 Sandra A. is held by other top lawyers in the same geographic and legal practice area.
Mitchell S. Griffin is a top attorney recognized by Best Lawyers in the practice area(s) of Admiralty and Maritime Law. Mitchell S., who practices law in San Francisco, California, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mitchell S. is held by other top lawyers in the same geographic and legal practice area.
Michael P. Lehmann is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Litigation - Antitrust. Michael P., who practices law in San Francisco, California, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael P. is held by other top lawyers in the same geographic and legal practice area.
Peter Bertrand is Chairman of Buchalter Nemer's Board of Directors and a Shareholder in the San Francisco office. He is a member of both the Litigation, and Insolvency and Financial Solutions Practice Groups. His practice, which is national in scope, focuses on the representation of financial institutions and companies in the areas of litigation, bankruptcy and creditor rights law. He also specializes in cases involving intellectual property, trade secrets, unfair business competition and emp...
R. Clark Morrison is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law, Litigation - Land Use and Zoning, Natural Resources Law and Real Estate Law. R. Clark, who practices law in San Francisco, California, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which R. Clark is held by other top lawyers in the same geographic and legal practice area.
James R. Sigel is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice. James R., who practices law in San Francisco, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James R. is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
Build Your Legal Practice with Effective Online Networking
by Jamilla Tabbara
How thoughtful online networking supports sustained legal practice growth.
Blogging for Law Firms: Turning Content into Client Connections
by Jamilla Tabbara
How law firms use blogs to earn trust and win clients.
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer