Desmarais
Jamie L. Kringstein

Jamie L. Kringstein

Of Counsel, New York
PHONE: 212-808-2921 FAX: 212-351-3401
jkringstein@desmaraisllp.com
Jamie Kringstein’s practice focuses on patent infringement litigation and IP counseling.  She has participated in all phases of litigation, from pre-suit investigation to trial and appeal, in cases relating to a wide range of technologies, including wireless communications, computer processors, audio compression, and medical devices. 

Ms. Kringstein has represented clients in U.S. district courts, the Federal Circuit, the U.S. Supreme Court, the Patent Trial and Appeal Board (PTAB), the International Trade Commission (ITC), and arbitrations before panels proceeding under JAMS and the International Chamber of Commerce (ICC).
 
Ms. Kringstein was on the team that, in February 2023, won summary judgment of noninfringement on behalf of client Intel on all claims asserted in a patent infringement suit brought by XMTT in the District of Delaware.  Intel Beats Patent Suit Over CPU Chips In Delaware
 
Ms. Kringstein was on the trial team that, in August 2022, successfully defeated a patent infringement case brought by Egenera against client Cisco with a finding of noninfringement.  Cisco Cleared In $371M Software Patent Trial
 
Ms. Kringstein was the senior associate on the team that, in June 2022, won summary judgment of noninfringement on behalf of client Fitbit LLC on at least three grounds for each of 21 claims across three patents asserted by Cellspin Soft, Inc.  Nike, Fitbit, Others Shake Cellspin's Tech Patent Suit

Before joining Desmarais LLP, Ms. Kringstein spent 18 months clerking for former Chief Judge Leonard P. Stark in the District of Delaware.  Prior to her clerkship, she was an associate for three years in the Intellectual Property Litigation Group in the New York office of Sullivan & Cromwell LLP.  During law school, Ms. Kringstein served as the Senior Articles Editor of the Fordham Intellectual Property, Media and Entertainment Law Journal.

Prior Experience

  • Associate, Sullivan & Cromwell LLP, New York, NY, 2014-2018

Clerk & Government Experience

  • Law Clerk to the Hon. Leonard P. Stark, United States District Court for the District of Delaware, 2018-2019

Courts

  • United States District Court for the Eastern District of New York
  • United States District Court for the Southern District of New York
  • Court of Appeals for the Federal Circuit
  • United States Supreme Court

Memberships & Affiliations

  • American Intellectual Property Law Association
  • New York Intellectual Property Law Association
  • New York City Bar Association

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Representative Matters

  • Represented defendant Intel in patent litigation against XMTT involving computer processing
  • Represented patent holder Ravgen, Inc. in patent litigation against LabCorp involving noninvasive prenatal technology
  • Represented defendant Cisco in patent infringement litigation against Egenera involving server technology
  • Represented defendant Fitbit in patent infringement litigation against Cellspin involving methods of transferring data between devices and to the Internet using Bluetooth technology
  • Represented plaintiffs Audio MPEG and Sisvel in patent infringement litigation against HP and Dell involving audio compression technology
  • Represented plaintiff BlackBerry in arbitration involving royalty dispute against Qualcomm

News & Publications

  • Intel Beats Patent Suit Over CPU Chips In Delaware – Law360, February 24, 2023 – Jamie L. Kringstein was part of the Desmarais team that won summary judgment of noninfringement for Intel on all claims asserted in a patent infringement suit brought by XMTT in the District of Delaware.
  • Jury Says LabCorp Owes $272M For Infringing Prenatal Test IP – Law360, September 23, 2022 – Jamie L. Kringstein was part of the Desmarais team that won a $272 million jury verdict for Ravgen against LabCorp in a patent infringement trial in the Western District of Texas
  • Cisco Cleared In $371M Software Patent Trial – Law360, August 15, 2022 – Jamie L. Kringstein was part of the Desmarais LLP team that defeated a $371 million infringement claim against Cisco in a jury trial in the District of Massachusetts
  • Nike, Fitbit, Others Shake Cellspin's Tech Patent Suit – Law360, June 16, 2022 – Jamie L. Kringstein was part of the Desmarais LLP team that won summary judgment of noninfringement for Fitbit on at least three grounds for each of 21 patent claims asserted by Cellspin in the Northern District of California
  • BlackBerry awarded $815 million in arbitration case against Qualcomm – CNBC, April 12, 2017 – Jamie L. Kringstein was part of the Sullivan & Cromwell LLP trial team that won an $815 million award for BlackBerry in a royalty dispute against Qualcomm in an arbitration

EDUCATION

Fordham University School of Law, J.D., 2014, magna cum laude; Order of the Coif; Senior Articles Editor, Fordham Intellectual Property, Media and Entertainment Law Journal

Vanderbilt University, B.S., Engineering Science and Psychology, Minor, Engineering Management, 2010

ADMISSIONS

2015, New York

2014, New Jersey

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