Joanna Y. Chen
About Joanna Y. Chen
Joanna Y. Chen is a lawyer based in San Francisco, CA and has been recognized in Best Lawyers: Ones to Watch® in America since 2023. Joanna Y. Chen is recognized in the following practice areas:
- San Francisco, California
- Intellectual Property Law
- Patent Law
Current Firm: Polsinelli PC
Education: Loyola Marymount University, J.D., graduated 2014
Location: San Francisco, CA
Nearby Lawyers
Steven D. Moore is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. Steven D., 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 Steven D. is held by other top lawyers in the same geographic and legal practice area.
Dustin Calkins is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Dustin, 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 Dustin is held by other top lawyers in the same geographic and legal practice area.
Evan S. Nadel is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Evan S., 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 Evan S. is held by other top lawyers in the same geographic and legal practice area.
Benjamin Clinger is a top attorney recognized by Best Lawyers in the practice area(s) of Leveraged Buyouts and Private Equity Law. Benjamin, 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 Benjamin is held by other top lawyers in the same geographic and legal practice area.
Donald P. Sullivan is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law and Employment Law - Management. Donald P., 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 Donald P. is held by other top lawyers in the same geographic and legal practice area.
Geoff Robinson focuses his practice on land use, development and real estate litigation. He represents clients in civil and administrative proceedings involving planning and zoning laws, CEQA, development fees and exactions, and public facilities financing. He is an authority on writs of mandate in the trial court and is co-author of the treatise California Administrative Mandamus (CEB, 3rd Ed. 2020) and other publications on civil writ practice. He also has substantial experience in the area...
Amanda J. Monchamp is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law, Land Use and Zoning Law and Litigation - Environmental. Amanda J., 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 Amanda J. is held by other top lawyers in the same geographic and legal practice area.
Matthias Kamber is a partner in the Intellectual Property practice of Paul Hastings and is based in the firm's San Francisco office. Mr. Kamber focuses on litigating intellectual property cases and has tried approximately ten jury and bench trials. In particular, Mr. Kamber has handled patent cases involving internet advertising and telephones, smartphones, and microprocessors throughout the country and before the U.S. International Trade Commission. Mr. Kamber has also handled trade secret, ...
Ivo Keller is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Ivo, 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 Ivo is held by other top lawyers in the same geographic and legal practice area.
Jay Weill is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Jay, 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 Jay 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