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John Amberg is an experienced litigator who has tried dozens of cases to successful conclusion in courts and arbitrations.  He handles a broad range of commercial and product liability disputes for clients in the aircraft, banking, computer software, credit card processing, food and beverage, medical device, and retailing industries, among others, as well as fiduciary and professional liability disputes for lawyers and other professionals.  His creative strategic thinking, seasoned judgment, and responsiveness to his clients’ needs have gained him the confidence of litigants in major cases.

Mr. Amberg has been an arbitrator for the Dispute Resolution Service of the Los Angeles County Superior Court, and is an arbitrator for the Los Angeles County Bar Association Mandatory Fee Arbitration Panel.  He is former chair of the California State Bar’s Committee on Professional Responsibility and Conduct and former chair and a current member of the Los Angeles County Bar Association’s Professional Responsibility and Ethics Committee.  He serves as an expert witness on legal ethics and malpractice issues.  A former managing partner of the Los Angeles office, Mr. Amberg chairs the firm’s Ethics Committee.  Prior to joining the firm, he completed a judicial clerkship for the Honorable Douglas W. Hillman of the U.S. District Court for the Western District of Michigan.

Representative Experience

  • Represented sex researcher Dr. William H. Masters in lawsuit for control of educational materials using his intellectual property.  
  • Successfully tried $25 million Los Angeles Superior Court lawsuit by commercial real estate developer against national bank client for alleged predatory lending in San Fernando Valley land development.
  • Successfully tried federal lawsuits against national retailer client alleging severe head injury to minor in store accident.
  • Obtained dismissal of clients, Israeli chemical companies and their foreign subsidiaries, in toxic tort mass action for alleged injuries in the Philippines.
  • Successfully tried three month toxic tort lawsuit in Los Angeles Superior Court against chemical company client.
  • Obtained dismissal of Los Angeles Superior Court lawsuit against international clients for control of Chinese real estate development corporation.
  • Obtained dismissal of putative class action against national retailer client for sales tax refunds.  
  • Arbitrated former CEO’s claim against high tech company client for enforcement of stock options after his dismissal.
  • Arbitrated intellectual property rights and license fees for streaming video and DVD sales under royalty and licensing agreements.
  • Defended lawsuit for syndication royalties by California production company against clients, owners of Louisville, KY television station.
  • Tried Los Angeles Superior Court lawsuit against refining company client for royalties from state and city oil concessions in Long Beach coastal waters.  
  • Defended heirs of television industry executive in lawsuit alleging undue influence in estate plan.
  • Tried Los Angeles Superior Court lawsuit by heirs against client, the widow and administrator of the estate of an international trading company executive, and successfully defended verdict on appeal.
  • Arbitrated $7 million dispute between asset-based lender client and Lake Tahoe real estate developer.
  • Defended major U.S. brokerage firm in FINRA arbitration by former customer.
  • Successfully argued appeals for major bank clients in lawsuits alleging mortgage fraud, lending law violations, and improper syndication of loans.  
  • Arbitrated attorneys’ fees disputes in Los Angeles and San Francisco.
  • Testified as expert witness in legal malpractice cases in Los Angeles, San Francisco and Orange County.  

Publications

Mr. Amberg has written articles for Los Angeles Lawyer magazine, the Association of Business Trial Lawyers, National Institute of Trial Advocacy, Los Angeles Bar Association and State Bar of California.

Select, recent publications include:

  • "Ethics Roundup," Los Angeles Lawyer, annually published review of California legal ethics developments during the prior year (April 2001-2017)
  •  “Commenting on Cases,” County Bar Update, Los Angeles County Bar Association (April 2017)
  • “Penalty Called on Zealous Advocacy,” County Bar Update, Los Angeles County Bar Association (Nov./Dec. 2015)
  • "Marketing Legal Services Ethically," County Bar Update, Los Angeles County Bar Association (Aug. 2014)
  • “When Is It Ethical to Pay a Fact Witness?," County Bar Update, Los Angeles County Bar Association (July 2013) 

Speaking Engagements

Mr. Amberg has lectured to the Inns of Court, Association of Business Trial Lawyers, Los Angeles County Bar Association, State Bar of California, Continuing Legal Education of the Bar, and Lorman Seminars.

Select, recent speaking engagements include:

  • Los Angeles County Bar Association, “Ethics Highlights” (January 2017)
  • California State Bar Annual Meeting, San Diego, “Ethics and the Globalization of California Legal Practice” (September 2014)
  • California State Bar Annual Meeting, San Jose, “Social Media and International Legal Ethics” (October 2013)
  • American Bar Association Annual Meeting, San Francisco, “Ethics Rules: How Social Media and the Internet Have Internationalized American Practice” (August 2013)
  • Seminars to law departments of major retail, motor vehicle, and entertainment industry clients
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John Amberg’s litigation practice focuses on product liability, business disputes and fiduciary and professional liability matters. He defends the safety and effectiveness of a wide variety of industrial and household products, including aircraft, automobile parts, chemicals, computer software, furniture and fixtures, experimental drugs, medical devices and gas heater controls, and his toxic tort experience has included asbestos, chlorine, mold, sodium hypochlorite and chloroflurocarbons. Mr. Amberg’s product liability practice includes risk prevention counseling and training, advice on warning labels and instructions, indemnification and insurance.

Business litigation matters also handled by Mr. Amberg have included antitrust, unfair competition, trade secret, intellectual property, securities and commercial contract disputes for clients in the aircraft, banking, credit card, furniture, health care, real estate, retail, software, trucking and toy industries, among others. He has tried cases to verdict in state and federal courts and arbitrations throughout California.

Mr. Amberg serves as an arbitrator and mediator for the Dispute Resolution Service of the Los Angeles County Superior Court and the Los Angeles County Bar Association Mandatory Fee Distribution Panel. He is former chair of the California State Bar’s Committee on Professional Responsibility and Conduct and former chair and a member of the Los Angeles County Bar Association’s Professional Responsibility and Ethics Committee, and serves as a consultant and expert witness on legal ethics and malpractice.

Select Representations

  • Successfully argued appeal for major international bank in lawsuit alleging mortgage lending fraud.
  • Obtained dismissal of lawsuit against foreign clients for control of Chinese development corporation.
  • Successfully tried $25 million lawsuit for alleged predatory lending by developer against national bank client.
  • Defended television station in production company’s lawsuit for royalties.
  • Obtained dismissal of foreign chemical companies in toxic tort mass action.
  • Defended major brokerage firm in FINRA arbitration by former customer.
  • Testified as expert witness on litigation strategy in attorney malpractice case.

Bar and Court Admissions

California, 1983

Michigan, 1980

Missouri, 1981

United States Courts of Appeals for the Ninth and Federal Circuits

United States District Courts for the Central, Eastern, Northern and Southern Districts of California; Eastern and Western Districts of Missouri; and Western District of Michigan

Education

University of Michigan, J.D., cum laude, 1979

Princeton University, A.B., 1974

Publications

Mr. Amberg has written articles for Los Angeles Lawyer magazine, the Association of Business Trial Lawyers, National Institute of Trial Advocacy, Los Angeles Bar Association and State Bar of California.

Speeches and Seminars

Mr. Amberg has lectured to the Inns of Court, Association of Business Trial Lawyers, Los Angeles County Bar Association, State Bar of California, Continuing Legal Education of the Bar and Lorman Seminars.

Representative Experience

  • Represented sex researcher Dr. William H. Masters in lawsuit for control of educational materials using his intellectual property.  
  • Successfully tried $25 million Los Angeles Superior Court lawsuit by commercial real estate developer against national bank client for alleged predatory lending in San Fernando Valley land development.
  • Successfully tried federal lawsuits against national retailer client alleging severe head injury to minor in store accident.
  • Obtained dismissal of clients, Israeli chemical companies and their foreign subsidiaries, in toxic tort mass action for alleged injuries in the Philippines.
  • Successfully tried three month toxic tort lawsuit in Los Angeles Superior Court against chemical company client.
  • Obtained dismissal of Los Angeles Superior Court lawsuit against international clients for control of Chinese real estate development corporation.
  • Obtained dismissal of putative class action against national retailer client for sales tax refunds.  
  • Arbitrated former CEO’s claim against high tech company client for enforcement of stock options after his dismissal.
  • Arbitrated intellectual property rights and license fees for streaming video and DVD sales under royalty and licensing agreements.
  • Defended lawsuit for syndication royalties by California production company against clients, owners of Louisville, KY television station.
  • Tried Los Angeles Superior Court lawsuit against refining company client for royalties from state and city oil concessions in Long Beach coastal waters.  
  • Defended heirs of television industry executive in lawsuit alleging undue influence in estate plan.
  • Tried Los Angeles Superior Court lawsuit by heirs against client, the widow and administrator of the estate of an international trading company executive, and successfully defended verdict on appeal.
  • Arbitrated $7 million dispute between asset-based lender client and Lake Tahoe real estate developer.
  • Defended major U.S. brokerage firm in FINRA arbitration by former customer.
  • Successfully argued appeals for major bank clients in lawsuits alleging mortgage fraud, lending law violations, and improper syndication of loans.  
  • Arbitrated attorneys’ fees disputes in Los Angeles and San Francisco.
  • Testified as expert witness in legal malpractice cases in Los Angeles, San Francisco and Orange County.  

Publications

Mr. Amberg has written articles for Los Angeles Lawyer magazine, the Association of Business Trial Lawyers, National Institute of Trial Advocacy, Los Angeles Bar Association and State Bar of California.

Select, recent publications include:

  • Los Angeles County Bar Association, County Bar Update, “Marketing Legal Services Ethically” (August 2014)
  • Los Angeles Lawyer, “2013 Ethics Roundup” (April 2014)
  • Los Angeles County Bar Association, County Bar Update, “When Is It Ethical to Pay a Fact Witness?” (July 2013)
  • Los Angeles Lawyer, “2012 Ethics Roundup” (April 2013)

Speaking Engagements

Mr. Amberg has lectured to the Inns of Court, Association of Business Trial Lawyers, Los Angeles County Bar Association, State Bar of California, Continuing Legal Education of the Bar, and Lorman Seminars.

Select, recent speaking engagements include:

  • Cal. State Bar Annual Meeting, San Diego, “Ethics and the Globalization of California Legal Practice” (September 2014)
  • Los Angeles County Bar Association, “Ethics Highlights” (December 2013)
  • Cal. State Bar Annual Meeting, San Jose, “Social Media and International Legal Ethics” (October 2013)
  • American Bar Association Annual Meeting, San Francisco, “Ethics Rules: How Social Media and the Internet Have Internationalized American Practice” (August 2013)
  • Private client, Dallas, “The Ethics of Internal Investigations” (January 2013)
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John Amberg’s litigation practice focuses on commercial litigation, product liability, and fiduciary and professional liability matters. Business litigation matters handled by Mr. Amberg include antitrust, unfair competition, trade secret, intellectual property, securities, and contract disputes for clients in the aircraft, banking, beverage, credit card, clothing, health care, metal finishing, oil refining, pharmaceutical, retail, and trucking industries. Cases involve mortgage lending, software design, credit card processing, patent and copyright licenses, internet sales, hotel and hospital service contracts, toy importing, building construction and insurance coverage, among others, and he represents clients in disputes arising out of corporate acquisitions and sales, government contracts, retirement benefit plans and vendor bankruptcies.

Mr. Amberg has tried cases to verdict in state and federal courts and arbitrations throughout California. He is an arbitrator and mediator for the Dispute Resolution Service of the Los Angeles County Superior Court and the Los Angeles County Bar Association Mandatory Fee Arbitration Panel. He is former chair and advisor to the California State Bar’s Committee on Professional Responsibility and Conduct and former chair and a current member of the Los Angeles County Bar Association’s Professional Responsibility and Ethics Committee, and serves as a consultant and expert witness on legal ethics and malpractice.

Select Representations

  • Successfully argued appeal for major international bank in lawsuit alleging mortgage lending fraud.
  • Obtained dismissal of lawsuit against foreign clients for control of Chinese development corporation.
  • Successfully tried $25 million lawsuit for alleged predatory lending by developer against national bank client.
  • Defended television station in production company’s lawsuit for royalties.
  • Obtained dismissal of foreign chemical companies in toxic tort mass action.
  • Defended major brokerage firm in FINRA arbitration by former customer.
  • Testified as expert witness on litigation strategy in attorney malpractice case.

Bar and Court Admissions

California, 1983

Michigan, 1980

Missouri, 1981

United States Courts of Appeals for the Ninth and Federal Circuits

United States District Courts for the Central, Eastern, Northern and Southern Districts of California; Eastern and Western Districts of Missouri; and Western District of Michigan

Education

University of Michigan, J.D., cum laude, 1979

Princeton University, A.B., 1974

Publications

Mr. Amberg has written articles for Los Angeles Lawyer magazine, the Association of Business Trial Lawyers, National Institute of Trial Advocacy, Los Angeles Bar Association and State Bar of California.

Speeches and Seminars

Mr. Amberg has lectured to the Inns of Court, Association of Business Trial Lawyers, Los Angeles County Bar Association, State Bar of California, Continuing Legal Education of the Bar and Lorman Seminars.

Representative Experience

  • Represented sex researcher Dr. William H. Masters in lawsuit for control of educational materials using his intellectual property.  
  • Successfully tried $25 million Los Angeles Superior Court lawsuit by commercial real estate developer against national bank client for alleged predatory lending in San Fernando Valley land development.
  • Successfully tried federal lawsuits against national retailer client alleging severe head injury to minor in store accident.
  • Obtained dismissal of clients, Israeli chemical companies and their foreign subsidiaries, in toxic tort mass action for alleged injuries in the Philippines.
  • Successfully tried three month toxic tort lawsuit in Los Angeles Superior Court against chemical company client.
  • Obtained dismissal of Los Angeles Superior Court lawsuit against international clients for control of Chinese real estate development corporation.
  • Obtained dismissal of putative class action against national retailer client for sales tax refunds.  
  • Arbitrated former CEO’s claim against high tech company client for enforcement of stock options after his dismissal.
  • Arbitrated intellectual property rights and license fees for streaming video and DVD sales under royalty and licensing agreements.
  • Defended lawsuit for syndication royalties by California production company against clients, owners of Louisville, KY television station.
  • Tried Los Angeles Superior Court lawsuit against refining company client for royalties from state and city oil concessions in Long Beach coastal waters.  
  • Defended heirs of television industry executive in lawsuit alleging undue influence in estate plan.
  • Tried Los Angeles Superior Court lawsuit by heirs against client, the widow and administrator of the estate of an international trading company executive, and successfully defended verdict on appeal.
  • Arbitrated $7 million dispute between asset-based lender client and Lake Tahoe real estate developer.
  • Defended major U.S. brokerage firm in FINRA arbitration by former customer.
  • Successfully argued appeals for major bank clients in lawsuits alleging mortgage fraud, lending law violations, and improper syndication of loans.  
  • Arbitrated attorneys’ fees disputes in Los Angeles and San Francisco.
  • Testified as expert witness in legal malpractice cases in Los Angeles, San Francisco and Orange County.  

Publications

Mr. Amberg has written articles for Los Angeles Lawyer magazine, the Association of Business Trial Lawyers, National Institute of Trial Advocacy, Los Angeles Bar Association and State Bar of California.

Select, recent publications include:

  • "Ethics Roundup," Los Angeles Lawyer, annually published review of California legal ethics developments during the prior year (April 2001-2017)
  •  “Commenting on Cases,” County Bar Update, Los Angeles County Bar Association (April 2017)
  • “Penalty Called on Zealous Advocacy,” County Bar Update, Los Angeles County Bar Association (Nov./Dec. 2015)
  • "Marketing Legal Services Ethically," County Bar Update, Los Angeles County Bar Association (Aug. 2014)
  • “When Is It Ethical to Pay a Fact Witness?," County Bar Update, Los Angeles County Bar Association (July 2013) 

Speaking Engagements

Mr. Amberg has lectured to the Inns of Court, Association of Business Trial Lawyers, Los Angeles County Bar Association, State Bar of California, Continuing Legal Education of the Bar, and Lorman Seminars.

Select, recent speaking engagements include:

  • Los Angeles County Bar Association, “Ethics Highlights” (January 2017)
  • California State Bar Annual Meeting, San Diego, “Ethics and the Globalization of California Legal Practice” (September 2014)
  • California State Bar Annual Meeting, San Jose, “Social Media and International Legal Ethics” (October 2013)
  • American Bar Association Annual Meeting, San Francisco, “Ethics Rules: How Social Media and the Internet Have Internationalized American Practice” (August 2013)
  • Seminars to law departments of major retail, motor vehicle, and entertainment industry clients