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Bob has practiced complex business and tax litigation and white collar criminal defense for more than forty years.  He assists companies and individuals embroiled in major government investigations and performs internal corporate investigations on their behalf.

He tries “bet the company” cases in federal and state courts, and his white collar criminal defense practice is broad.  He has successfully defended cases involving federal antitrust laws, securities violations, environmental crimes, health care fraud, tax crimes, banking fraud, civil and criminal false claims cases (including qui tam actions), and the Foreign Corrupt Practices Act.  He has also successfully defended a number of high profile cases on behalf of political figures and professional athletes, including Tonya Harding.

Before entering private practice, Bob entered the Criminal Division of the U.S. Department of Justice under the Honors Graduates Program in 1975.  He served as Assistant U.S. Attorney for the District of Oregon from 1979 to 1987, and for most of that time was Chief of that office’s Criminal Division.

Professional Activities

  • Fellow, American College of Trial Lawyers, 2003-present
  • Chair, 9th Circuit Judicial Conference Oregon District Delegation, 2007
  • Member, Legal Ethics Committee, Oregon State Bar, 1986-1990
  • Chair, Federal Judicial Selection Committee, 1994 and 1997
  • Chair, Executive Committee, Litigation Section, Oregon State Bar, 1996-1997

Community Activities

  • Board Member, Catholic Charities of Oregon
  • Past Board Member, St. Andrew's Legal Clinic
  • Past School Board President, Advisory Council, The Madeleine School



News & Insights


Speaking Engagements

Past Appearances



University of Notre Dame Law School, J.D., cum laude, 1975

University of Notre Dame, B.A., cum laude, 1972

Honors | Recognitions

  • Ranked in Chambers USA for Litigation: General Commercial (Oregon)
  • Featured on the cover of Oregon Super Lawyers magazine,  "Hometown Hero, How Robert Weaver Took Down the Rajneesh Cult," 2012 
  • Named by peers as "Lawyer of the Year" in the area of Criminal Defense: White-Collar in Best Lawyers, 2011, 2015, 2019
  • Named by peers to Best Lawyers of America© in the areas of Bet-the-Company Litigation, Commercial Litigation, Criminal Defense: General Practice, Criminal Defense: White-Collar, Antitrust Litigation, and Securities Litigation, 1995-2020  
  • ACLU Foundation of Oregon Civil Liberties Award for pro bono legal services to Guantánamo detainees, 2009
  • Named by peers as a "Super Lawyer" in Oregon Super Lawyers magazine, 2006-2019; named among the Top 50 Oregon Super Lawyers, 2007-2017
  • Named as a "Super Lawyer" in Super Lawyers Business Edition, 2014-2015
  • Named by peers to Portland Monthly's guide to the best lawyers in the Portland metropolitan area, 2006
  • Oregon Chapter of the American Jewish Committee Learned Hand Award for "contributions in the finest tradition of the legal profession," 2006
  • Multnomah Bar Association Professionalism Award, 2004
  • Martindale-Hubbell AV/5.0 Peer Review Rated


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