Quinn emanuel trial lawyers

Ducca, Marissa R.

Marissa R. Ducca



Marissa Ducca’s practice focuses on intellectual property litigation. Marissa represents clients in all aspects of offensive and defensive litigation matters. Her practice focuses on high-stakes, high-technology patent litigation. She has litigated numerous cases through trial and appeal in a variety of district courts and the International Trade Commission.  She has significant experience in many aspects of the recent cell phone patent litigations.  Marissa was recently trial counsel for Samsung against Apple in ITC Investigation 337-TA-794, and obtained an exclusion order against Apple’s iPhones and iPads.

Marissa is an electrical engineer, and has experience litigating a wide range of technologies, including semiconductor packaging, digital camera technology, internet communications, software, and medical devices.  She has extensive experience in wireless and cellular communications, including a deep understanding of wireless standards, such as LTE, WCDMA, CDMA, GSM, WiFi, and other wireless technologies.

Prior to practicing law, Marissa was a practicing engineer.  Marissa spent several years in the industrial automation industry, where she gained experience primarily in industrial networking and networking infrastructure, with a focus on industrial ethernet.  She also has engineering experience in telecommunications, where she focused on both wired and wireless communications.

Marissa is also registered to practice before the U.S. Patent and Trademark office, and regularly advises clients about patent office procedures.

Marissa received her B.S. in Electrical Engineering in 1999 from Purdue University. She received her J.D., magna cum laude, in 2005 from Case Western Reserve School of Law, where she was the Publisher of the Case Western Reserve Law Review and was elected to the Order of the Coif. She is admitted to practice in the District of Columbia and Ohio (inactive), and before the U.S. Supreme Court, U.S. District Court for the Northern District of Ohio, the U.S. District Court for the Eastern District of Texas, the Court of Appeals for the Federal Circuit, and the U.S. Patent and Trademark Office.

  Representative Clients

  • Samsung
  • Motorola
  • AOL
  • MapQuest
  • Toshiba
  • eBay

  Notable Representations

  • Obtained the first ever exclusion order against Apple in the International Trade Commission on behalf of Samsung in Inv. No. 337-TA-794. 
  • Obtained a successful settlement on behalf of Motorola against TiVo in Eastern District of Texas dispute. 
  • On behalf of a global telecommunications company successfully resolved IP dispute with Apple involving district court litigations in Delaware and Wisconsin, three ITC investigations, and foreign court proceedings. 
  • Obtained early dismissal for AOL and motion to stay and dismissal with prejudice for eBay in patent infringement lawsuit filed in the Northern District of California. 
  • Successfully defended major telecommunications carrier in patent infringement lawsuit filed in the Eastern District of Texas. 
  • Successfully defended Defendants AOL, eBay, and MySpace in patent infringement lawsuit filed in the Eastern District of Texas involving Linux operating system. 
  • Obtained successful settlement following trial for medical device manufacturer against Medtronic. 
  • Obtained early dismissals for AOL, CBS and Dun & Bradstreet in patent infringement lawsuit filed in the Eastern District of Texas. Successfully defended AOL in patent infringement lawsuit filed in the Southern District of Florida involving digital radio. 
  • Successfully defended global telecommunications company in patent infringement lawsuit filed in the District of Delaware involving AGPS technology. Obtained summary judgment for AOL in multidistrict litigation against Ronald A. Katz Technology Licensing (RAKTL). 
  • Successfully defended global telecommunications company in ITC investigation involving LEDs. On behalf of a global telecommunications company successfully resolved the largest IP dispute in U.S. history. 
  • Represented Kodak in multidistrict litigation involving digital camera technology. 
  • Represented client Micron in multi case dispute against Tessera. 


  • Case Western Reserve University School of Law
    (J.D., magna cum laude, 2005)
    • Order of the Coif
    • Case Western Reserve Law Review: 
      • Publisher, 2004-2005
      • Associate Editor, 2003-2004
  • Purdue University 
    (B.S., Electrical Engineering, 1999)


The District of Columbia Bar; United States Supreme Court; United States Court of Appeals: Federal Circuit; United States District Courts: Eastern District of Texas, Northern District of Ohio, Southern District of Ohio; Registered to practice before the United States Patent and Trademark Office

  Prior Associations

  • Alston and Bird:
    • Senior Associate, 2007-2011

  • Jones Day:
    • Associate, 2005-2007

  • Rockwell Automation:
    • Associate Instructional Developer, 2000-2002


  • Named a “Rising Star” by Super Lawyers Magazine (2014)