Bar Admissions

  • California

Court Admissions

  • U.S. District Court for the Central District of California
  • U.S. District Court for the Northern District of California
  • U.S. District Court for the Southern District of California
  • U.S. District Court for the Eastern District of California


  • J.D., University of Southern California, Gould School of Law, 2009

    Southern California Law Review

  • B.M., Piano Performance, Texas Christian University, 2005
T +1 310.229.9944
F +1 310.229.9901

Guido E. Toscano


Guido Toscano is a litigator in Venable's Los Angeles office. He provides high-end legal representation to clients facing all types of disputes, with a focus on trust and estate litigation and cases involving forgery, lack of capacity, and undue influence. Throughout his career, Guido has been privileged to advocate for clients ranging from prominent media and business figures and their families to corporate fiduciaries in high-profile cases involving multi-million dollar estates. Prior to joining Venable, Guido also helped clients defend against regulatory investigations involving the FDA and Congress. 

Representative Matters

  • Represented trustee regarding tax liability on a multi-million dollar estate; first-chair bench trial victory over claims by objectors.
  • Represented a trustee/beneficiary in litigation to revoke a trust based on alleged forgery, undue influence and lack of capacity; favorable settlement after plaintiffs' claims were dismantled in pre-trial discovery.
  • Represented trustees of $100 million estate against claims of undue influence and incapacity brought by son and grandson of testator; defeated claims by grandson following bench trial establishing that he lacked standing to proceed.
  • Represented co-trustee to pursue the removal and disinheritance of another co-trustee/beneficiary based on a no-contest provision.
  • Represented a hospitality company in litigation involving investors who alleged breach of contract, conversion, and breach of fiduciary duty in connection with the development of a luxury hotel.
  • Represented a cosmetic company in litigation against a national pharmacy retailer to stop trademark infringement, unfair competition, and the unauthorized sale of defaced cosmetic products.
  • Represented an infomercial production company in litigation involving non-payment of royalties for sales of a popular blender product.
  • Represented a company in discovery disputes with CBS's 60 Minutes regarding the confidentiality of company documents.
  • Represented a pharmaceutical company in connection with a regulatory investigation by the FDA and the U.S. House Committee on Energy and Commerce regarding contaminated heparin.
  • Represented a supplement drink company in federal class action litigation challenging product advertising claims for glucosamine and chondroitin sulfate.
  • Advised a national vitamin retailer and a deep discount retailer on price advertising on compliance with FTC guidance and state consumer protection laws.