Justin J. Calderon

Baker & McKenzie LLP


Justin is an associate in Baker McKenzie's Palo Alto office. He is a member of the Firm's North America Litigation & Government Enforcement Group, Trade Secrets Practice Group, and Antitrust Practice Group. Justin handles complex commercial litigation, with an emphasis on antitrust, intellectual property, trade secrets, insurance, and securities litigation.

Practice Focus

Justin has represented clients in trial, appellate, and administrative courts in the United States. He has also represented clients in various government investigative proceedings in the United States, Asia and Europe. Justin's clients are from a broad range of sectors, including technology, insurance, public utilities, consumer debt and private equity investment. He has also defended clients in multidistrict litigation and class actions, including indirect purchaser and direct purchaser suits. Prior to joining the Firm, Justin was a litigator at another international law firm, where he maintained an active pro bono practice, including one that resulted in the release of his client from prison after over 20 years of imprisonment.

Representative Legal Matters

Representative clients include:

  • Leading semiconductor company in antitrust litigation stemming from allegations of supply restraints in the DRAM industry.
  • Major social networking platform in federal securities litigation related to the company's financial health and growth prospects.
  • Outside directors of major public utility corporation in derivative actions in federal and state court related to California wildfires.
  • Chinese e-commerce giant in state and federal litigation related to its historic USD 25 billion New York Stock Exchange initial public offering.
  • Technology company in simultaneous multinational government investigations in North America, Asia, and Europe.
  • Chinese provider of online consumer finance in state and federal litigation related to its 2017 initial public offering.
  • Private equity firm in proceedings before the U.S. Securities and Exchange Commission, U.S. Department of Labor, and various other agencies involving the whistleblower provisions of the Sarbanes-Oxley Act.
  • Debt resolution company in contractual dispute with a competitor regarding exclusivity, non-compete, and non-solicit provisions.
  • Asian developer and operator of data centers regarding a short seller report targeting the company.
  • Private equity firm in trademark litigation regarding one of its portfolio holdings.
  • Major insurance company in asbestos-related "alter ego" litigation in federal and state courts.

Representative pro bono matters include:

  • Federal habeas corpus litigation in the Eastern District of California, Ninth Circuit, and the United States Supreme Court regarding Brady and Confrontation Clause violations.
  • Emergency temporary restraining order petition relating to the removal of a minor under the Immigration and Nationality Act and the Migrant Protection Protocols.
  • Section 1983 civil rights litigation relating to a California state prison's mishandling of mail.
  • State court resentencing proceedings resulting in the client's release after over 20 years of imprisonment.


  • U.S. Supreme Court (2021)
  • U.S. Court of Appeals, Ninth Circuit (2021)
  • U.S. District Court, Eastern District of California (2019)
  • California (2018)


  • Columbia University School of Law (J.D., Harlan Fiske Stone Scholar) (2017)
  • Brandeis University (B.A., cum laude) (2013)


  • English
  • Filipino
  • Co-author, "Cutting it Close? Eastern District of California Allows Antitrust Suit Involving Patented Styling Razors to Proceed," California Lawyers Association, Antitrust and Unfair Competition Law, March 2018
  • Co-author, "In Re Solodyn Pay-For-Delay Suit Heads Toward Trial After District of Massachusetts Denies Motion for Summary Judgment," California Lawyers Association, Antitrust and Unfair Competition Law, April 2019