Frank's practice emphasizes complex commercial litigation, including insurance coverage, and product liability matters. His experience includes trial work in federal and state courts, as well as in private arbitration and mediation. He also regularly advises corporate policyholders with respect to the scope and availability of insurance coverage, the presentation of insurance claims, and the negotiation of settlements with insurance companies. Frank's clients include regional and national entities involved in disputes in Oregon and across the country. He also serves as the firm's General Counsel.
Prior to joining Tonkon Torp, Frank was an associate at Thelen Reid & Priest in San Francisco.
Featured Representative Matters
Train Derailment Insurance
Breach of Endorsement
Trade Secret Misappropriation
Breach of Warranty
Breach of Fiduciary Duty
Tonkon Torp Wins Water Law and Boundary Dispute for Jackson County Landowner
Tonkon Torp wrapped 2020 with a complete victory in a complicated and contentious boundary and water law dispute.
Tonkon Torp Wins Arbitration Victory for Technology Company and Patent Law Firm
Tonkon Torp achieved a significant arbitration win involving two clients, a California-based technology company and its patent litigation law firm. Tonkon Torp was originally retained to represent the tech company in obtaining declaratory and injunctive relief against a litigation finance company that had been engaged to fund the client’s patent enforcement litigation.
Tonkon Torp Victorious at Oregon Court of Appeals on Behalf of Con-way
In May 2019, Tonkon Torp celebrated a complete appellate victory for its client, Con-way, with a decisive win in the Oregon Court of Appeals. The appeal affirmed a 2014 judgment that settled the question of who bore responsibility for a portion of defense and indemnity costs associated with three Superfund sites, including the Portland Harbor, and more than 1,500 asbestos lawsuits.
Tonkon Torp Wins Complicated Civil Trial for Con-way
In arguably one of the biggest and most complicated civil trials in Portland, Tonkon Torp secured a complete jury trial victory for Con-way, a $5.5 billion American multinational freight transportation company. Find details and more featured cases here.
Community Involvement & Activities
Mt. Scott Learning Center
Oregon State Bar
Disciplinary Board, Member
Legal Ethics Committee, Former Member
Multnomah Bar Association
Professionalism Committee, Former Member
American Bar Association
Insurance Coverage Litigation Committee, Former Vice-Chair
Multnomah County Lawyers' Professional Responsibility Committee
American Bar Association
Federal Bar Association
Tonkon Torp Litigators Share Expertise in Oregon Civil Pleading and Litigation Publication
Best Lawyers in America® Includes 49 Tonkon Torp Attorneys on 2021 List
Frank Weiss Discusses COVID-19 Insurance Claims for Mediation Podcast
2020 List for Best Lawyers in America® Includes 48 Tonkon Torp Attorneys
Frank Weiss Talks Maximizing Insurance ROI for ACC Newsletter
Frank Weiss Covers Insurance Fundamentals at Northwest Insurance Law Seminar
Best Lawyers in America® Names 51 Tonkon Torp Attorneys to 2019 List
Best Lawyers in America® Names 49 Tonkon Torp Attorneys to 2018 List
Tonkon Torp Sponsors Mt. Scott Golf Marathon
Frank Weiss Speaks to U of O Students about Litigation
Court Decision Favors Businesses Claiming Insurance Coverage for COVID-Related Losses
Business Interruption Insurance and COVID-19: Tender Your Claim
Will Business Interruption Insurance Cover Coronavirus-Related Disruptions?
Publications & Presentations
"Individual Parties and Representative Capacity," Chapter, Oregon Civil Pleading and Litigation (2020 Edition), Oregon State Bar
"Court Decision Favors Businesses Claiming Insurance Coverage for COVID-Related Losses," Tonkon Torp Legal Update, August 2020
Podcast, A Mediator’s Round (Kitchen) Table: Insurance Coverage for COVID-19 Claims," Schulwolf Mediation, April 2020
"Business Interruption Insurance and COVID-19: Tender Your Claim," Tonkon Torp Legal Update, April 2020
"Will Business Interruption Insurance Cover Coronavirus-Related Disruptions?" Tonkon Torp Legal Update, March 2020
"Maximize Your Insurance ROI: A Proactive Approach to Insurance Pays Off," Association of Corporate Counsel of Oregon Newsletter, January 2019
"Insurance 101," Northwest Insurance Law Seminar, The Seminar Group, October 2018
"Litigation — The Good, the Bad and the Ugly," University of Oregon, November 2016
"Commercial & Cyber Insurance," October 2016
"Indemnity Provisions & Principles: Traps for the Unwary," Oregon State Bar Business Law Section, June 2016
"Contract Boilerplate and Oregon Common Law," OSB Business Law Section, Annual Seminar, November 2015
"Manage Insurance Coverage Like Risks," Daily Journal of Commerce, September 2012
"Surviving Winter: The Ninth Circuit Reaffirms the 'Serious Questions' Test for Injunctive Relief," Litigation Journal, 2011
"Think Twice Before Accepting an Assignment of Insurance Rights," Litigation Journal, 2007