Wendel, Rosen, Black & Dean LLP
Contact Us Site Map Search
The Leader
Home > Attorneys > Penn Ayers Butler
print button

Penn Ayers Butler

Of Counsel
Phone: 510.834.6600
Fax: 510.834.1928
E-mail: PButler@wendel.com v-card

Practice Areas


Penn is a member of Wendel Rosen’s bankruptcy practice. He is a nationally recognized attorney who advises and represents debtors, creditors, government agencies, acquirers and other entities affected by insolvent or impaired businesses, specifically in bankruptcy, corporate restructurings and Chapter 11 reorganizations.  

His representations extend across many industries and businesses, including airlines, real estate enterprises, technology based industries, wineries, professional services.  Penn has had a number of appointments to high-level judicial and public service committees and advisory positions.  He has also served as a resolution advocate for the Northern District of California Bankruptcy Dispute Resolution Program and arbitrator and special master for the Superior Court of California, San Francisco.  Butler is a past lawyer representative for the Northern District of California Judicial Conference and a former member of the Congressman Don Edwards Inn of Court.


  • Hastings College of the Law, University of California; J.D. (1973)
  • University of California, Santa Barbara; B.A. (1970)

Close Admissions

  • State Bar of California
  • Admitted pro hac vice in Federal District Courts in New York, Virginia, Ohio, Mississippi, Louisiana, Texas, Colorado, Nevada, Arizona, Washington, and Hawaii.

Close Publications

  • "What Happened to Chapter 11 Business Filings?" co-author with Elizabeth Berke-Dreyfuss, The National Law Journal, July 18, 2011
  • Commercial Finance Guide, Contributor, Matthew Bender, 1998
  • Advanced Chapter 11 Bankruptcy Practice Guide, Contributor, John Wiley & Sons, 1996
  • United States Bankruptcy Court Northern District of California Judicial Interviews: Practice and Procedures Committee of Lawyer Representatives, Editor, State Bar of California, 1992

Close Affiliations

  • Committee of Lawyer Representatives United States District Court for the Northern District of California
    • Member, 2003-2005
  • CDE Inn of Court
    • Member, 2003-2007
  • Northern District of California Select Bankruptcy Committee on Administration of Justice, ad hoc Committees on Court Technology, Bankruptcy Dispute Resolution Program
    • Member, 1998
  • American Bar Association Chapter 11 Task Force
    • Chair, 1994-1997
  • Committee of Lawyer Representatives for the United States Bankruptcy Court for the Northern District of California
    • Chair, 1993-1994, Member 1991-1994
  • Northern District of California Bench-Bar Drafting Committee on Bankruptcy Dispute Resolution Program
    • Chair, 1993-1994

Close Speaking & Teaching

  • American Bar Association
  • Bar Association of San Francisco
  • Banking Law Institute
  • Bankruptcy Forum
  • California Continuing Education of the Bar, Bankruptcy Forum
  • California State Bar
  • Central California Bankruptcy Institute
  • Continuing Legal Education Satellite Network
  • Practicing Law Institute
  • Professional Education Systems, Inc.
  • State Bar of California
  • United States Law Conference
  • Faculty:
    • National Institute of Trial Advocacy, Notre Dame Law School: Bankruptcy Advocacy Skills (1992)
  • Wendel, Rosen, Black & Dean LLP
  • Guest lecturer:
    • Stanford University
    • University of California Hastings College of the Law
    • University of San Francisco School of  Law

Close Awards & Recognition

  • Selected for inclusion in Northern California Super Lawyers magazine, 2010-2013
  • Best Lawyers in America, Real Estate Law; 1986 to 2010
  • AV® Preeminent™ rated by Martindale-Hubbell*

*AV is a registered certification mark of Reed Elsevier Properties Inc., used in accordance with the Martindale-Hubbell certification procedure's standards and policies.