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Elizabeth Clarke

Elizabeth Clarke represents clients in high-stakes disputes at all stages of litigation. Ms. Clarke’s practice focuses on intellectual property, complex commercial disputes, and appeals. She has litigated cases in federal and state courts throughout the country, from trial courts to the U.S. Supreme Court. 

Ms. Clarke has briefed federal appeals involving complex legal issues before the Second, Third, Seventh, and Federal Circuits, as well as appeals before the New York appellate courts. She has also litigated before the U.S. Supreme Court, including in a merits case.

Ms. Clarke is a skilled trial advocate. She contributes to every stage of the case—developing case strategy, drafting key pleadings, managing discovery, drafting dispositive motions, and going to trial. She has cross-examined witnesses at trial, deposed fact and expert witnesses, and argued critical motions. 

Prior to joining MoloLamken, Ms. Clarke clerked for the Honorable Allison H. Eid of the United States Court of Appeals for the Tenth Circuit and the Honorable Edmond E. Chang of the United States District Court for the Northern District of Illinois.

Representative Matters

  • Represented Nobel-Prize winning inventors in Federal Circuit appeal over patent rights to revolutionary CRISPR gene-editing technology
  • Represented foreign sovereign instrumentality in Second Circuit appeal over proposed seizure of more than $1 billion in bond proceeds
  • Obtained over $600 million in judgments for investment advisor in suits against the Republic of Venezuela and PDVSA; successfully defended judgments on appeal to Second Circuit
  • Won Supreme Court merits case involving whether the Lanham Act applies to foreign companies’ use of trademarks outside the United States
  • Successfully defended district court ruling that plaintiff had failed to show copyrightable subject matter in a landmark software copyright appeal to the Federal Circuit
  • Represented major cellular technology company in a Federal Circuit appeal arising out of a global standard-essential patent licensing dispute
  • Represented holders of residential mortgage-backed securities in an appeal over the distribution of a multi-billion-dollar settlement fund in New York state court
  • Represented senior executive branch official in federal criminal trial over false statement and obstruction charges
  • Represented company employees in a DOJ foreign corrupt practices investigation
  • Defended former directors and officers of a small business investment company in a civil suit alleging breach of fiduciary duty
  • Represented a medical device company in two breach-of-contract disputes arising out of merger agreements
  • Represented the trustee of a mortgage-backed securities trust in a breach-of-contract lawsuit in New York state court
  • Represented a Florida county in a petition for a writ of certiorari to the United States Supreme Court
  • Represented an individual criminal defendant in a direct appeal to the Seventh Circuit
  • Represented an individual investor in international arbitration under the bilateral investment treaty



  • Law clerk to the Honorable Allison H. Eid, United States Court of Appeals for the Tenth Circuit
  • Law clerk to the Honorable Edmond E. Chang, United States District Court for the Northern District of Illinois


The University of Chicago Law School, J.D., with high honors

Order of the Coif

Kirkland & Ellis Scholar

Rubenstein Scholar

Articles Editor, The University of Chicago Law Review

Founder, Education and Child Advocacy Society

International Refugee Assistance Project

Domestic Violence Prevention Pro Bono Project

Carleton College, B.A., summa cum laude

Phi Beta Kappa

Bar and Court Admissions

  • Illinois
  • U.S. Supreme Court
  • U.S. Courts of Appeals for the 2nd, 3rd, 7th, 10th, and Federal Circuits
  • U.S. District Court for the District of Columbia
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