window.dataLayer = window.dataLayer || [];function gtag(){dataLayer.push(arguments);}gtag('js', new Date()); gtag('config', 'UA-151938219-2'); Trenton Kashima - Milberg | Leading Class Action Law Firm

Trenton Kashima


Mr. Trenton Kashima brings over eight years of experience as a complex litigation lawyer to Milberg, representing consumers, employees, and businesses in complex actions. Mr. Kashima offers a specialized focus on consumer protection status and wage/hour matters.

As Partner, Mr. Kashima has recovered over $30 million on behalf of class members, managed practice groups, trained attorneys and law school students. He has developed the practice procedures and curriculum necessary to successfully run a law firm or graduate-level course.

Among his most notable cases, Mr. Kashima secured a RICO Judgment, halting unfair and predatory loans leveraged against veterans and service members (Underwood v. Future Income Payments, LLC, Case No 8:17-cv-01570-DOC-DFM [C.D. Cal. 2017]).

In addition to practicing law, Mr. Kashima teaches at the University of San Diego’s School of Law. This profession has allowed him to hone the skills necessary to better educate clients regarding the legal process of their cases.

Prior to earning his law degree from the University of San Diego’s School of Law, Mr. Kashima earned his L.L.M. from the University of Maastricht in the Netherlands. “During my time in Europe, I worked with students, scholars, and professionals from diverse backgrounds. This experience helps me appreciate different perspectives when approaching legal issues,” Mr. Kashima explains.

When Mr. Kashima isn’t working a case or training students, he enjoys cooking, traveling, hiking, and backpacking.

Notable Cases & Leadership Roles

  • Hansen, et al. v. Americas, Inc., Case No. B271477 (Cal. App. 2018) – addressed UCL and FAL standing in a case involving false advertising of a product’s former price (or the amount by which the product price had been reduced or discounted) before the California Court of Appeal. The resulting decision ensures that consumers who were deceived by false discounts can sue under California’s consumer protection laws
  • Terrado et al. v. Accredited Debt Relief LLC et al., Case No. 37-2018-00014181 (Cal. Sup. 2018) – a wage and hour case involving state and federal law claims. Named as class counsel and negotiated a class settlement providing substantial relief to the class
  • Underwood v. Future Income Payments, LLC, Case No 8:17-cv-01570-DOC-DFM (C.D. Cal. 2017) – secured a RICO judgment to stop unfair and predatory loans against veterans and service members
  • Glass, et al. v. FMM Enterprises, Inc., et al, Case No. 37-2017-00031250 (Cal. Sup. 2017) – a wage and hour case involving state and federal law claims. Named as class counsel and negotiated a class settlement providing substantial relief to the class. Additionally, represented the interest of the class in securing a Preliminary Injunction before the United States District Court, Southern District of California (Case No.: 3:17-cv-0563-JAH-KSC) and defending this order before the Ninth Circuit Court of Appeals (Case No. 18-55291)
  • Heckart v. A-1 Self Storage et al., No. S232322 (Cal. 2016) – a consumer class action regarding the interpretation of an untested section of California’s Insurance Code. Conducted extensive third-party discovery and aided in drafting briefs before the California Supreme Court and Fourth District Court of Appeals
  • Clay, et al. v. Cytosport, Inc., 15-cv-00165 (Cal. SD 2015) – a class action concerning the mislabeling of protein supplements. Responsible for organizing the litigation efforts of three law firms. Conducted onsite document inspections and key depositions regarding scientific matters. Named Class Counsel
  • Wiseley v. Inc., No. 15-56799 (9th Cir. 2015) – Primary author of Appellant’s briefing regarding the enforceability of an arbitration clause in a consumer contract
  • Krinsk, et al. v. Monster Beverage Corp., No. 37-2014-00020192 (Cal. Sup. 2014), a food labeling case involving the mislabeling of “natural” beverages. Named Class Counsel and negotiated a class settlement on the eve of trial
  • Hahn, et al. v. Massage Envy, No. 3:12-cv-00153 (Cal. SD 2012) – a consumer class action involving the illegal forfeiture of prepaid massages that recovered 32 million dollars in relief for the Class. Responsive for the review, organization, and presentation of all evidence in the case. Involved in drafting Plaintiffs’ Motion for Class Certification, Motion for Summary Adjudication, Trial Briefs, and Motion for Approval of Class Settlement
  • Represented clients in JAMS and AAA arbitrations


  • J.D., University of San Diego School of Law, 2013
  • L.L.M., University of Maastricht, 2010
  • B.S., San Diego State University, 2009

Bar Admissions

  • State Bar of California, 2013
  • U.S. District Court for the Northern District of California, 2016
  • U.S. District Court for the Central District of California
  • U.S. District Court for the Southern District of California, 2014
  • U.S. District Court for the Eastern District of California, 2020
  • State Bar of Michigan, 2021
  • Ninth Circuit Court of Appeals, 2017


  • CALI Award in Agency, Partnership & LLC, Climate Change Law & Policy, and Anti-trust

Professional Activities

  • American Association for Justice, Wage & Hour Litigation Group, Class Action Litigation Group
  • Public Justice