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Oscar Ramallo

Oscar Ramallo


Los Angeles
T: +1 310 788 1291
F: +1 310 229 1991

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Legal Services


  • University of California, Los Angeles, School of Law
    JD, 2005, Order of the Coif; Articles Editor, UCLA Law Review
  • University of Southern California
    BA, magna cum laude, Political Science

Bar Admission(s)

  • California, 2005
  • US District Court for the Central District of California, 2007

Oscar Ramallo is an associate in the Litigation Department of the firm’s Los Angeles office. His practice includes general business litigation, with a focus on intellectual property litigation. He also routinely advises companies in numerous aspects of online marketing and advertising. Mr. Ramallo has extensive experience in all stages of litigation, from managing and conducting discovery to preparing briefings and arguments before the Court.

Representative Highlights

  • Oversaw damages expert workup and defended the sole damages expert deposition infringement matter on behalf of client who obtained a $131 million jury verdict for infringement of cochlear implant patent. Alfred E. Mann Foundation for Scientific Research v. Cochlear Corp. (C.D. Cal.)
  • Obtained summary judgment ruling in trade secret and breach of contract dispute completely eliminating plaintiff’s lost profits damages. PRS Software Solutions, Inc., et al. v. CostCommand, LLC (C.D. Cal. 2015).
  • Obtained favorable resolution for client in opposing Application to Take Discovery for use in a German patent proceeding. Siemens AG v. HGST, Inc. (N.D. Cal. 2014).
  • Prepared company witnesses for deposition in patent infringement action related to noninvasive prenatal diagnosis methods. Verinata Health, Inc. v. Sequenom, Inc. (N.D. Cal. 2014).
  • Obtained seven-figure jury verdict after five-week trial on behalf of owner of trademark in cybersquatting and trademark infringement case. Obtained complete defense verdict on counterclaims for fraud on the Patent and Trademark Office and antitrust violations. 
  • Obtained summary judgment and seven figure attorney fee award in district court in trademark infringement case. com, Inc. v. Money Management International, Inc., 2008 WL 4183929 (C.D. Cal. 2008).
  • Drafted demurrer that resulted in an early and favorable settlement for client in a case alleging “click fraud” in online advertising. Creditors Adjustment Bureau, Inc. v. XtraPlus Corp. (L.A. Superior Court 2009).
  • Obtained writ of mandate for shareholder of a film company compelling inspection of corporate records.
  • Represented the Trustee of the Death Row Records estate in numerous bankruptcy adversary proceedings. In re Death Row Records, Inc. (Bank. C.D. Cal.).
  • Authored amicus curiae briefs for The National Center for Missing and Exploited Children on Communications Decency Act issues in the Washington Supreme Court, First Circuit, and United States Supreme Court
  • Obtained a favorable settlement for a pro bono client that released her from an onerous music publishing contract.
  • Developed a novel legal argument for the Alliance of Children’s rights, which was used successfully in multiple cases to obtain Foster Care benefits in case types which previously had been routinely rejected.

Prior to joining the firm, Mr. Ramallo served as a Law Clerk to the Honorable Mary M. Schroeder, Chief Judge for the United States Court of Appeals for the Ninth Circuit.