Image: Soyoung Jung

Soyoung Jung

Associate, Litigation Department


Soyoung Jung is a senior associate in the Intellectual Property practice at Paul Hastings and based in the firm’s Los Angeles office.

Ms. Jung is a trial attorney with a focus on intellectual property litigation, including disputes on patent infringement, copyright infringement and trade secret misappropriation.

She has represented major consumer electronics, semiconductor, software, pharmaceutical, financial services and retail companies. Ms. Jung has significant experience in all phases of litigation, from pre-trial investigations through appeals. In the past, she has also represented clients in intellectual property portfolio development, patent prosecution, and intellectual property agreements and negotiations.  


  • Selected into the Southern California Rising Stars list in Intellectual Property Litigation by Super Lawyers (2015-2018).
  • Selected into the Top Women Attorneys in Southern California list by Los Angeles Magazine (2015).


  • University of Virginia School of Law, J.D., 2005 (Submissions Editor of the Virginia Journal of Law and Technology)
  • University of California, at Berkeley, M.S., 2002
  • Massachusetts Institute of Technology, S.B., 2000


Technology Companies          

  • Representing global video hosting company on copyright infringement and trade secret misappropriation allegations concerning world’s most popular video app (W.D. Tex.)
  • Representing major semiconductor manufacturer in patent dispute involving manufacture of integrated circuit devices (W.D. Tex.)
  • Represented leading multinational consumer electronics company in numerous patent disputes involving mobile communication and integrated circuits products, from early stages to appeal, which have resulted in numerous dismissals and favorable settlements (D. Del.; E.D. Tex.)
  • Represented major pharmaceutical company in litigation and related post-grant proceedings, with involvement in defense theory that has drawn Congressional attention against plaintiff (D. Del.; PTAB)
  • Represented leading security software company in patent dispute over anti-malware technology, which resulted in summary judgment dismissal, affirmed by the U.S. Court of Appeals for the Federal Circuit (D. Del.)
  • Represented digital entertainment company against major streaming service provider in patent dispute concerning program guides (N.D. Cal.)
  • Represented leading consumer electronics company in investigation involving mobile communication devices, and notebook and desktop computers (U.S. ITC)
  • Represented telecommunications company in patent infringement case involving wireless communication devices (C.D. Cal.)
  • Represented a leading consumer electronics company in a patent infringement case involving digital imaging technology (D. Del.)

Other Representations                                       

  • Represented leading drugstore retailer in multiple related cases on wrongful termination (C.D. Cal.)
  • Represented leading financial services company in a multidistrict patent litigation involving mobile banking applications (MDL)
  • Represented digital marketing company in a trademark infringement case (S.D.N.Y.)

Engagement & Publications

  • Co-Author, "Reflecting On A 6-Year Journey To A Patent Ineligibility Win," Law360 (2016) (https://www.law360.com/articles/679928)
  • Author of numerous works in national literary journals from 2004 to 2011.


  • Admitted to practice in California state courts, U.S. federal district courts, and the U.S. Patent and Trademark Office.
  • Active contributor for nearly a decade to Public Counsel’s Immigration Rights Project as pro bono advocate for asylum seekers.

Practice Areas


Patent Litigation

ITC Section 337 Investigations


Intellectual Property




United States Patent & Trademark Office

California Bar


University of Virginia, School of Law, J.D. 2005

University of California, Berkeley, M.S. 2003

Massachusetts Institute of Technology, B.S. 2000

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